diff --git a/README.md b/README.md
index d43af66..765a21d 100644
--- a/README.md
+++ b/README.md
@@ -103,7 +103,8 @@ $("table").tableExport({
     position: "bottom",                 // (top, bottom), position of the caption element relative to table
     ignoreRows: null,                   // (Number, Number[]), row indices to exclude from the exported file
     ignoreCols: null,                   // (Number, Number[]), column indices to exclude from the exported file
-    ignoreCSS: ".tableexport-ignore"    // (selector, selector[]), selector(s) to exclude from the exported file
+    ignoreCSS: ".tableexport-ignore"    // (selector, selector[]), selector(s) to exclude cells from the exported file
+    emptyCSS: ".tableexport-empty"      // (selector, selector[]), selector(s) to replace cells with an empty string in the exported file
 });
 ```
 > **Note:**  to use the xlsx filetype, you must include the third-party scripts listed in the Dependencies section.
diff --git a/bower.json b/bower.json
index 25a1e23..9ccc7a1 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "tableexport.js",
-  "version": "3.2.11",
+  "version": "3.2.12",
   "authors": [
     "clarketm <travis.m.clarke@gmail.com>"
   ],
diff --git a/dist/css/tableexport.css b/dist/css/tableexport.css
index 24a624c..fb9e188 100644
--- a/dist/css/tableexport.css
+++ b/dist/css/tableexport.css
@@ -1,5 +1,5 @@
 /*!
- * TableExport.js v3.2.11 (https://www.travismclarke.com)
+ * TableExport.js v3.2.12 (https://www.travismclarke.com)
  * Copyright 2016 Travis Clarke
  * Licensed under the MIT license
  */
diff --git a/dist/css/tableexport.min.css b/dist/css/tableexport.min.css
index e9c37aa..b5d42a6 100644
--- a/dist/css/tableexport.min.css
+++ b/dist/css/tableexport.min.css
@@ -1,5 +1,5 @@
 /*!
- * TableExport.js v3.2.11 (https://www.travismclarke.com)
+ * TableExport.js v3.2.12 (https://www.travismclarke.com)
  * Copyright 2016 Travis Clarke
  * Licensed under the MIT license
  */.top{caption-side:top}.bottom{caption-side:bottom}.button-default,.button-default:active,.button-default:focus,.button-default:hover{text-decoration:none}.button-default{font:700 12px sans-serif;color:#222;cursor:pointer;padding:5px;margin:5px}.button-default.csv:before,.button-default.txt:before,.button-default.xls:before,.button-default.xlsx:before{content:none}.csv:before,.txt:before,.xls:before,.xlsx:before{content:""}.csv,.txt,.xls,.xlsx{margin:4px 0}.csv:before,.txt:before,.xls:before,.xlsx:before{margin-right:10px;padding:11px 15px 12px;box-shadow:1px 1px 2px rgba(0,0,0,.2)}.xlsx:before{background:url(../img/xlsx.svg) center no-repeat #006400}.xls:before{background:url(../img/xls.svg) center no-repeat green}.csv:before{background:url(../img/csv.svg) center no-repeat #00f}.txt:before{background:url(../img/txt.svg) center no-repeat purple}
\ No newline at end of file
diff --git a/dist/js/tableexport.js b/dist/js/tableexport.js
index 7cb9ade..fdc9fe4 100644
--- a/dist/js/tableexport.js
+++ b/dist/js/tableexport.js
@@ -1,5 +1,5 @@
 /*!
- * TableExport.js v3.2.11 (https://www.travismclarke.com)
+ * TableExport.js v3.2.12 (https://www.travismclarke.com)
  * Copyright 2016 Travis Clarke
  * Licensed under the MIT license
  */
@@ -41,6 +41,7 @@
                 ignoreRows = self.settings.ignoreRows instanceof Array ? self.settings.ignoreRows : [self.settings.ignoreRows],
                 ignoreCols = self.settings.ignoreCols instanceof Array ? self.settings.ignoreCols : [self.settings.ignoreCols],
                 ignoreCSS = self.settings.ignoreCSS instanceof Array ? self.settings.ignoreCSS.join(", ") : self.settings.ignoreCSS,
+                emptyCSS = self.settings.emptyCSS instanceof Array ? self.settings.emptyCSS.join(", ") : self.settings.emptyCSS,
                 bootstrapClass, bootstrapTheme, bootstrapSpacing;
 
             if (self.settings.bootstrap) {
@@ -74,6 +75,9 @@
                                         if (!!~ignoreCols.indexOf(ic) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         if (val.hasAttribute('colspan')) {
                                             rcMap[ir] = rcMap[ir] || {};
                                             rcMap[ir][ic+1] = val.getAttribute('colspan') - 1
@@ -112,6 +116,9 @@
                                         if (!!~ignoreCols.indexOf(ic) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         if (val.hasAttribute('colspan')) {
                                             rcMap[ir] = rcMap[ir] || {};
                                             rcMap[ir][ic+1] = val.getAttribute('colspan') - 1
@@ -150,6 +157,9 @@
                                         if (!!~ignoreCols.indexOf(i) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         return $(val).text();
                                     }).get().join(colD);
                                 }).get().join(rdel),
@@ -175,6 +185,9 @@
                                         if (!!~ignoreCols.indexOf(i) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         return $(val).text();
                                     }).get().join(colD);
                                 }).get().join(rdel),
@@ -200,6 +213,9 @@
                                         if (!!~ignoreCols.indexOf(i) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         return $(val).text();
                                     }).get().join(colD);
                                 }).get().join(rdel),
@@ -264,7 +280,8 @@
                 position: "bottom",                         // (top, bottom), position of the caption element relative to table, (default: "bottom")
                 ignoreRows: null,                           // (Number, Number[]), row indices to exclude from the exported file (default: null)
                 ignoreCols: null,                           // (Number, Number[]), column indices to exclude from the exported file (default: null)
-                ignoreCSS: ".tableexport-ignore"            // (selector, selector[]), selector(s) to exclude from the exported file (default: ".tableexport-ignore")
+                ignoreCSS: ".tableexport-ignore",           // (selector, selector[]), selector(s) to exclude cells from the exported file (default: ".tableexport-ignore")
+                emptyCSS: ".tableexport-empty"              // (selector, selector[]), selector(s) to replace cells with an empty string in the exported file (default: ".tableexport-empty")
             },
             /**
              * Character set (character encoding) of the HTML.
diff --git a/dist/js/tableexport.min.js b/dist/js/tableexport.min.js
index b2536e6..c694ac0 100644
--- a/dist/js/tableexport.min.js
+++ b/dist/js/tableexport.min.js
@@ -1,6 +1,6 @@
 /*!
- * TableExport.js v3.2.11 (https://www.travismclarke.com)
+ * TableExport.js v3.2.12 (https://www.travismclarke.com)
  * Copyright 2016 Travis Clarke
  * Licensed under the MIT license
  */
-!function(t,e){"function"==typeof define&&define.amd?define(["exports","jquery","file-saver","xlsx"],e):"object"==typeof exports&&"string"!=typeof exports.nodeName?e(exports,require("jquery"),require("file-saver"),require("xlsx")):e(t,t.jQuery,t.saveAs,t.XLSX)}(this,function(t,e,n,o){"use strict";var i=function(t,n,r){var s=this;s.settings=r?n:e.extend({},i.prototype.defaults,n),s.selectors=t;var a,p,f,l=i.prototype.rowDel,u=s.settings.ignoreRows instanceof Array?s.settings.ignoreRows:[s.settings.ignoreRows],c=s.settings.ignoreCols instanceof Array?s.settings.ignoreCols:[s.settings.ignoreCols],x=s.settings.ignoreCSS instanceof Array?s.settings.ignoreCSS.join(", "):s.settings.ignoreCSS;return s.settings.bootstrap?(a=i.prototype.bootstrap[0]+" ",p=i.prototype.bootstrap[1]+" ",f=i.prototype.bootstrap[2]+" "):(a=i.prototype.defaultButton+" ",p=f=""),s.selectors.each(function(){function t(t){var e=d.find("caption:not(.head)");e.length?e.append(t):d.prepend('<caption class="'+f+s.settings.position+'">'+t+"</caption>")}function n(e,n,o){var i="<button data-fileblob='"+e+"' class='"+a+p+o+"'>"+n+"</button>";t(i)}var d=e(this);r&&d.find("caption:not(.head)").remove();var y=d.find("tbody").find("tr"),y=s.settings.headings?y.add(d.find("thead>tr")):y,y=s.settings.footers?y.add(d.find("tfoot>tr")):y,m=s.settings.headings?d.find("thead>tr").length:0,g="id"===s.settings.fileName?d.attr("id")?d.attr("id"):i.prototype.defaultFileName:s.settings.fileName,h={xlsx:function(t,o){var r={},s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return[o.map(function(n,o){if(!~c.indexOf(n)&&!e(o).is(x)){if(o.hasAttribute("colspan")&&(r[t]=r[t]||{},r[t][n+1]=o.getAttribute("colspan")-1),o.hasAttribute("rowspan"))for(var i=1;i<o.getAttribute("rowspan");i++)r[t+i]=r[t+i]||{},r[t+i][n]=1;return r[t]&&r[t][n]?new Array(r[t][n]).concat(e(o).text()):e(o).text()}}).get()]}}).get(),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xlsx.mimeType,fileExtension:i.prototype.xlsx.fileExtension})),p=i.prototype.xlsx.buttonContent,f=i.prototype.xlsx.defaultClass;n(a,p,f)},xlsm:function(t,o){var r={},s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return[o.map(function(n,o){if(!~c.indexOf(n)&&!e(o).is(x)){if(o.hasAttribute("colspan")&&(r[t]=r[t]||{},r[t][n+1]=o.getAttribute("colspan")-1),o.hasAttribute("rowspan"))for(var i=1;i<o.getAttribute("rowspan");i++)r[t+i]=r[t+i]||{},r[t+i][n]=1;return r[t]&&r[t][n]?new Array(r[t][n]).concat(e(o).text()):e(o).text()}}).get()]}}).get(),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xls.mimeType,fileExtension:i.prototype.xls.fileExtension})),p=i.prototype.xls.buttonContent,f=i.prototype.xls.defaultClass;n(a,p,f)},xls:function(t,o){var r=i.prototype.xls.separator,s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).text()}).get().join(r)}}).get().join(t),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xls.mimeType,fileExtension:i.prototype.xls.fileExtension})),p=i.prototype.xls.buttonContent,f=i.prototype.xls.defaultClass;n(a,p,f)},csv:function(t,o){var r=i.prototype.csv.separator,s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).text()}).get().join(r)}}).get().join(t),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.csv.mimeType,fileExtension:i.prototype.csv.fileExtension})),p=i.prototype.csv.buttonContent,f=i.prototype.csv.defaultClass;n(a,p,f)},txt:function(t,o){var r=i.prototype.txt.separator,s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).text()}).get().join(r)}}).get().join(t),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.txt.mimeType,fileExtension:i.prototype.txt.fileExtension})),p=i.prototype.txt.buttonContent,f=i.prototype.txt.defaultClass;n(a,p,f)}};s.settings.formats.forEach(function(t){!(!o||"xls"!==t)&&(t="xlsm"),!o&&"xlsx"===t&&(t=null),t&&h[t](l,g)})}),e("button[data-fileblob]").off("click").on("click",function(){var t=e(this).data("fileblob"),n=t.data,o=t.fileName,r=t.mimeType,s=t.fileExtension;i.prototype.export2file(n,r,o,s)}),s};i.prototype={defaults:{headings:!0,footers:!0,formats:["xls","csv","txt"],fileName:"id",bootstrap:!0,position:"bottom",ignoreRows:null,ignoreCols:null,ignoreCSS:".tableexport-ignore"},charset:"charset=utf-8",defaultFileName:"myDownload",defaultButton:"button-default",bootstrap:["btn","btn-default","btn-toolbar"],rowDel:"\r\n",entityMap:{"&":"&#38;","<":"&#60;",">":"&#62;","'":"&#39;","/":"&#47;"},xlsx:{defaultClass:"xlsx",buttonContent:"Export to xlsx",mimeType:"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",fileExtension:".xlsx"},xls:{defaultClass:"xls",buttonContent:"Export to xls",separator:"\t",mimeType:"application/vnd.ms-excel",fileExtension:".xls"},csv:{defaultClass:"csv",buttonContent:"Export to csv",separator:",",mimeType:"application/csv",fileExtension:".csv"},txt:{defaultClass:"txt",buttonContent:"Export to txt",separator:"  ",mimeType:"text/plain",fileExtension:".txt"},escapeHtml:function(t){return String(t).replace(/[&<>'\/]/g,function(t){return i.prototype.entityMap[t]})},dateNum:function(t,e){e&&(t+=1462);var n=Date.parse(t);return(n-new Date(Date.UTC(1899,11,30)))/864e5},createSheet:function(t){for(var e={},n={s:{c:1e7,r:1e7},e:{c:0,r:0}},i=0;i!=t.length;++i)for(var r=0;r!=t[i].length;++r){n.s.r>i&&(n.s.r=i),n.s.c>r&&(n.s.c=r),n.e.r<i&&(n.e.r=i),n.e.c<r&&(n.e.c=r);var s={v:t[i][r]};if(null!=s.v){var a=o.utils.encode_cell({c:r,r:i});"number"==typeof s.v?s.t="n":"boolean"==typeof s.v?s.t="b":s.v instanceof Date?(s.t="n",s.z=o.SSF._table[14],s.v=this.dateNum(s.v)):s.t="s",e[a]=s}}return n.s.c<1e7&&(e["!ref"]=o.utils.encode_range(n)),e},Workbook:function(){this.SheetNames=[],this.Sheets={}},string2ArrayBuffer:function(t){for(var e=new ArrayBuffer(t.length),n=new Uint8Array(e),o=0;o!=t.length;++o)n[o]=255&t.charCodeAt(o);return e},export2file:function(t,e,i,r){if(o&&r.startsWith(".xls")){var s=new this.Workbook,a=this.createSheet(t);s.SheetNames.push(i),s.Sheets[i]=a;var p={bookType:r.substr(1,3)+(r.substr(4)||"m"),bookSST:!1,type:"binary"},f=o.write(s,p);t=this.string2ArrayBuffer(f)}n(new Blob([t],{type:e+";"+this.charset}),i+r)},update:function(t){return new i(this.selectors,e.extend({},this.settings,t),(!0))},reset:function(){return new i(this.selectors,settings,(!0))},remove:function(){this.selectors.each(function(){e(this).find("caption:not(.head)").remove()})}},e.fn.tableExport=function(t,e){return new i(this,t,e)};for(var r in i.prototype)e.fn.tableExport[r]=i.prototype[r];t["default"]=t.TableExport=i});
\ No newline at end of file
+!function(t,e){"function"==typeof define&&define.amd?define(["exports","jquery","file-saver","xlsx"],e):"object"==typeof exports&&"string"!=typeof exports.nodeName?e(exports,require("jquery"),require("file-saver"),require("xlsx")):e(t,t.jQuery,t.saveAs,t.XLSX)}(this,function(t,e,n,o){"use strict";var i=function(t,n,r){var s=this;s.settings=r?n:e.extend({},i.prototype.defaults,n),s.selectors=t;var a,p,f,l=i.prototype.rowDel,u=s.settings.ignoreRows instanceof Array?s.settings.ignoreRows:[s.settings.ignoreRows],c=s.settings.ignoreCols instanceof Array?s.settings.ignoreCols:[s.settings.ignoreCols],x=s.settings.ignoreCSS instanceof Array?s.settings.ignoreCSS.join(", "):s.settings.ignoreCSS,d=s.settings.emptyCSS instanceof Array?s.settings.emptyCSS.join(", "):s.settings.emptyCSS;return s.settings.bootstrap?(a=i.prototype.bootstrap[0]+" ",p=i.prototype.bootstrap[1]+" ",f=i.prototype.bootstrap[2]+" "):(a=i.prototype.defaultButton+" ",p=f=""),s.selectors.each(function(){function t(t){var e=y.find("caption:not(.head)");e.length?e.append(t):y.prepend('<caption class="'+f+s.settings.position+'">'+t+"</caption>")}function n(e,n,o){var i="<button data-fileblob='"+e+"' class='"+a+p+o+"'>"+n+"</button>";t(i)}var y=e(this);r&&y.find("caption:not(.head)").remove();var m=y.find("tbody").find("tr"),m=s.settings.headings?m.add(y.find("thead>tr")):m,m=s.settings.footers?m.add(y.find("tfoot>tr")):m,g=s.settings.headings?y.find("thead>tr").length:0,b="id"===s.settings.fileName?y.attr("id")?y.attr("id"):i.prototype.defaultFileName:s.settings.fileName,h={xlsx:function(t,o){var r={},s=m.map(function(t,n){if(!~u.indexOf(t-g)&&!e(n).is(x)){var o=e(n).find("th, td");return[o.map(function(n,o){if(!~c.indexOf(n)&&!e(o).is(x)){if(e(o).is(d))return" ";if(o.hasAttribute("colspan")&&(r[t]=r[t]||{},r[t][n+1]=o.getAttribute("colspan")-1),o.hasAttribute("rowspan"))for(var i=1;i<o.getAttribute("rowspan");i++)r[t+i]=r[t+i]||{},r[t+i][n]=1;return r[t]&&r[t][n]?new Array(r[t][n]).concat(e(o).text()):e(o).text()}}).get()]}}).get(),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xlsx.mimeType,fileExtension:i.prototype.xlsx.fileExtension})),p=i.prototype.xlsx.buttonContent,f=i.prototype.xlsx.defaultClass;n(a,p,f)},xlsm:function(t,o){var r={},s=m.map(function(t,n){if(!~u.indexOf(t-g)&&!e(n).is(x)){var o=e(n).find("th, td");return[o.map(function(n,o){if(!~c.indexOf(n)&&!e(o).is(x)){if(e(o).is(d))return" ";if(o.hasAttribute("colspan")&&(r[t]=r[t]||{},r[t][n+1]=o.getAttribute("colspan")-1),o.hasAttribute("rowspan"))for(var i=1;i<o.getAttribute("rowspan");i++)r[t+i]=r[t+i]||{},r[t+i][n]=1;return r[t]&&r[t][n]?new Array(r[t][n]).concat(e(o).text()):e(o).text()}}).get()]}}).get(),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xls.mimeType,fileExtension:i.prototype.xls.fileExtension})),p=i.prototype.xls.buttonContent,f=i.prototype.xls.defaultClass;n(a,p,f)},xls:function(t,o){var r=i.prototype.xls.separator,s=m.map(function(t,n){if(!~u.indexOf(t-g)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).is(d)?" ":e(n).text()}).get().join(r)}}).get().join(t),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xls.mimeType,fileExtension:i.prototype.xls.fileExtension})),p=i.prototype.xls.buttonContent,f=i.prototype.xls.defaultClass;n(a,p,f)},csv:function(t,o){var r=i.prototype.csv.separator,s=m.map(function(t,n){if(!~u.indexOf(t-g)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).is(d)?" ":e(n).text()}).get().join(r)}}).get().join(t),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.csv.mimeType,fileExtension:i.prototype.csv.fileExtension})),p=i.prototype.csv.buttonContent,f=i.prototype.csv.defaultClass;n(a,p,f)},txt:function(t,o){var r=i.prototype.txt.separator,s=m.map(function(t,n){if(!~u.indexOf(t-g)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).is(d)?" ":e(n).text()}).get().join(r)}}).get().join(t),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.txt.mimeType,fileExtension:i.prototype.txt.fileExtension})),p=i.prototype.txt.buttonContent,f=i.prototype.txt.defaultClass;n(a,p,f)}};s.settings.formats.forEach(function(t){!(!o||"xls"!==t)&&(t="xlsm"),!o&&"xlsx"===t&&(t=null),t&&h[t](l,b)})}),e("button[data-fileblob]").off("click").on("click",function(){var t=e(this).data("fileblob"),n=t.data,o=t.fileName,r=t.mimeType,s=t.fileExtension;i.prototype.export2file(n,r,o,s)}),s};i.prototype={defaults:{headings:!0,footers:!0,formats:["xls","csv","txt"],fileName:"id",bootstrap:!0,position:"bottom",ignoreRows:null,ignoreCols:null,ignoreCSS:".tableexport-ignore",emptyCSS:".tableexport-empty"},charset:"charset=utf-8",defaultFileName:"myDownload",defaultButton:"button-default",bootstrap:["btn","btn-default","btn-toolbar"],rowDel:"\r\n",entityMap:{"&":"&#38;","<":"&#60;",">":"&#62;","'":"&#39;","/":"&#47;"},xlsx:{defaultClass:"xlsx",buttonContent:"Export to xlsx",mimeType:"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",fileExtension:".xlsx"},xls:{defaultClass:"xls",buttonContent:"Export to xls",separator:"\t",mimeType:"application/vnd.ms-excel",fileExtension:".xls"},csv:{defaultClass:"csv",buttonContent:"Export to csv",separator:",",mimeType:"application/csv",fileExtension:".csv"},txt:{defaultClass:"txt",buttonContent:"Export to txt",separator:"  ",mimeType:"text/plain",fileExtension:".txt"},escapeHtml:function(t){return String(t).replace(/[&<>'\/]/g,function(t){return i.prototype.entityMap[t]})},dateNum:function(t,e){e&&(t+=1462);var n=Date.parse(t);return(n-new Date(Date.UTC(1899,11,30)))/864e5},createSheet:function(t){for(var e={},n={s:{c:1e7,r:1e7},e:{c:0,r:0}},i=0;i!=t.length;++i)for(var r=0;r!=t[i].length;++r){n.s.r>i&&(n.s.r=i),n.s.c>r&&(n.s.c=r),n.e.r<i&&(n.e.r=i),n.e.c<r&&(n.e.c=r);var s={v:t[i][r]};if(null!=s.v){var a=o.utils.encode_cell({c:r,r:i});"number"==typeof s.v?s.t="n":"boolean"==typeof s.v?s.t="b":s.v instanceof Date?(s.t="n",s.z=o.SSF._table[14],s.v=this.dateNum(s.v)):s.t="s",e[a]=s}}return n.s.c<1e7&&(e["!ref"]=o.utils.encode_range(n)),e},Workbook:function(){this.SheetNames=[],this.Sheets={}},string2ArrayBuffer:function(t){for(var e=new ArrayBuffer(t.length),n=new Uint8Array(e),o=0;o!=t.length;++o)n[o]=255&t.charCodeAt(o);return e},export2file:function(t,e,i,r){if(o&&r.startsWith(".xls")){var s=new this.Workbook,a=this.createSheet(t);s.SheetNames.push(i),s.Sheets[i]=a;var p={bookType:r.substr(1,3)+(r.substr(4)||"m"),bookSST:!1,type:"binary"},f=o.write(s,p);t=this.string2ArrayBuffer(f)}n(new Blob([t],{type:e+";"+this.charset}),i+r)},update:function(t){return new i(this.selectors,e.extend({},this.settings,t),(!0))},reset:function(){return new i(this.selectors,settings,(!0))},remove:function(){this.selectors.each(function(){e(this).find("caption:not(.head)").remove()})}},e.fn.tableExport=function(t,e){return new i(this,t,e)};for(var r in i.prototype)e.fn.tableExport[r]=i.prototype[r];t["default"]=t.TableExport=i});
\ No newline at end of file
diff --git a/package.json b/package.json
index 3d378d9..7d4f9fa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tableexport",
-  "version": "3.2.11",
+  "version": "3.2.12",
   "authors": [
     "clarketm <travis.m.clarke@gmail.com>"
   ],
diff --git a/src/stable/css/tableexport.css b/src/stable/css/tableexport.css
index 24a624c..fb9e188 100644
--- a/src/stable/css/tableexport.css
+++ b/src/stable/css/tableexport.css
@@ -1,5 +1,5 @@
 /*!
- * TableExport.js v3.2.11 (https://www.travismclarke.com)
+ * TableExport.js v3.2.12 (https://www.travismclarke.com)
  * Copyright 2016 Travis Clarke
  * Licensed under the MIT license
  */
diff --git a/src/stable/css/tableexport.min.css b/src/stable/css/tableexport.min.css
index e9c37aa..b5d42a6 100644
--- a/src/stable/css/tableexport.min.css
+++ b/src/stable/css/tableexport.min.css
@@ -1,5 +1,5 @@
 /*!
- * TableExport.js v3.2.11 (https://www.travismclarke.com)
+ * TableExport.js v3.2.12 (https://www.travismclarke.com)
  * Copyright 2016 Travis Clarke
  * Licensed under the MIT license
  */.top{caption-side:top}.bottom{caption-side:bottom}.button-default,.button-default:active,.button-default:focus,.button-default:hover{text-decoration:none}.button-default{font:700 12px sans-serif;color:#222;cursor:pointer;padding:5px;margin:5px}.button-default.csv:before,.button-default.txt:before,.button-default.xls:before,.button-default.xlsx:before{content:none}.csv:before,.txt:before,.xls:before,.xlsx:before{content:""}.csv,.txt,.xls,.xlsx{margin:4px 0}.csv:before,.txt:before,.xls:before,.xlsx:before{margin-right:10px;padding:11px 15px 12px;box-shadow:1px 1px 2px rgba(0,0,0,.2)}.xlsx:before{background:url(../img/xlsx.svg) center no-repeat #006400}.xls:before{background:url(../img/xls.svg) center no-repeat green}.csv:before{background:url(../img/csv.svg) center no-repeat #00f}.txt:before{background:url(../img/txt.svg) center no-repeat purple}
\ No newline at end of file
diff --git a/src/stable/js/tableexport.js b/src/stable/js/tableexport.js
index 7cb9ade..fdc9fe4 100644
--- a/src/stable/js/tableexport.js
+++ b/src/stable/js/tableexport.js
@@ -1,5 +1,5 @@
 /*!
- * TableExport.js v3.2.11 (https://www.travismclarke.com)
+ * TableExport.js v3.2.12 (https://www.travismclarke.com)
  * Copyright 2016 Travis Clarke
  * Licensed under the MIT license
  */
@@ -41,6 +41,7 @@
                 ignoreRows = self.settings.ignoreRows instanceof Array ? self.settings.ignoreRows : [self.settings.ignoreRows],
                 ignoreCols = self.settings.ignoreCols instanceof Array ? self.settings.ignoreCols : [self.settings.ignoreCols],
                 ignoreCSS = self.settings.ignoreCSS instanceof Array ? self.settings.ignoreCSS.join(", ") : self.settings.ignoreCSS,
+                emptyCSS = self.settings.emptyCSS instanceof Array ? self.settings.emptyCSS.join(", ") : self.settings.emptyCSS,
                 bootstrapClass, bootstrapTheme, bootstrapSpacing;
 
             if (self.settings.bootstrap) {
@@ -74,6 +75,9 @@
                                         if (!!~ignoreCols.indexOf(ic) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         if (val.hasAttribute('colspan')) {
                                             rcMap[ir] = rcMap[ir] || {};
                                             rcMap[ir][ic+1] = val.getAttribute('colspan') - 1
@@ -112,6 +116,9 @@
                                         if (!!~ignoreCols.indexOf(ic) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         if (val.hasAttribute('colspan')) {
                                             rcMap[ir] = rcMap[ir] || {};
                                             rcMap[ir][ic+1] = val.getAttribute('colspan') - 1
@@ -150,6 +157,9 @@
                                         if (!!~ignoreCols.indexOf(i) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         return $(val).text();
                                     }).get().join(colD);
                                 }).get().join(rdel),
@@ -175,6 +185,9 @@
                                         if (!!~ignoreCols.indexOf(i) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         return $(val).text();
                                     }).get().join(colD);
                                 }).get().join(rdel),
@@ -200,6 +213,9 @@
                                         if (!!~ignoreCols.indexOf(i) || $(val).is(ignoreCSS)) {
                                             return;
                                         }
+                                        if ($(val).is(emptyCSS)) {
+                                            return " "
+                                        }
                                         return $(val).text();
                                     }).get().join(colD);
                                 }).get().join(rdel),
@@ -264,7 +280,8 @@
                 position: "bottom",                         // (top, bottom), position of the caption element relative to table, (default: "bottom")
                 ignoreRows: null,                           // (Number, Number[]), row indices to exclude from the exported file (default: null)
                 ignoreCols: null,                           // (Number, Number[]), column indices to exclude from the exported file (default: null)
-                ignoreCSS: ".tableexport-ignore"            // (selector, selector[]), selector(s) to exclude from the exported file (default: ".tableexport-ignore")
+                ignoreCSS: ".tableexport-ignore",           // (selector, selector[]), selector(s) to exclude cells from the exported file (default: ".tableexport-ignore")
+                emptyCSS: ".tableexport-empty"              // (selector, selector[]), selector(s) to replace cells with an empty string in the exported file (default: ".tableexport-empty")
             },
             /**
              * Character set (character encoding) of the HTML.
diff --git a/src/stable/js/tableexport.min.js b/src/stable/js/tableexport.min.js
index b2536e6..c694ac0 100644
--- a/src/stable/js/tableexport.min.js
+++ b/src/stable/js/tableexport.min.js
@@ -1,6 +1,6 @@
 /*!
- * TableExport.js v3.2.11 (https://www.travismclarke.com)
+ * TableExport.js v3.2.12 (https://www.travismclarke.com)
  * Copyright 2016 Travis Clarke
  * Licensed under the MIT license
  */
-!function(t,e){"function"==typeof define&&define.amd?define(["exports","jquery","file-saver","xlsx"],e):"object"==typeof exports&&"string"!=typeof exports.nodeName?e(exports,require("jquery"),require("file-saver"),require("xlsx")):e(t,t.jQuery,t.saveAs,t.XLSX)}(this,function(t,e,n,o){"use strict";var i=function(t,n,r){var s=this;s.settings=r?n:e.extend({},i.prototype.defaults,n),s.selectors=t;var a,p,f,l=i.prototype.rowDel,u=s.settings.ignoreRows instanceof Array?s.settings.ignoreRows:[s.settings.ignoreRows],c=s.settings.ignoreCols instanceof Array?s.settings.ignoreCols:[s.settings.ignoreCols],x=s.settings.ignoreCSS instanceof Array?s.settings.ignoreCSS.join(", "):s.settings.ignoreCSS;return s.settings.bootstrap?(a=i.prototype.bootstrap[0]+" ",p=i.prototype.bootstrap[1]+" ",f=i.prototype.bootstrap[2]+" "):(a=i.prototype.defaultButton+" ",p=f=""),s.selectors.each(function(){function t(t){var e=d.find("caption:not(.head)");e.length?e.append(t):d.prepend('<caption class="'+f+s.settings.position+'">'+t+"</caption>")}function n(e,n,o){var i="<button data-fileblob='"+e+"' class='"+a+p+o+"'>"+n+"</button>";t(i)}var d=e(this);r&&d.find("caption:not(.head)").remove();var y=d.find("tbody").find("tr"),y=s.settings.headings?y.add(d.find("thead>tr")):y,y=s.settings.footers?y.add(d.find("tfoot>tr")):y,m=s.settings.headings?d.find("thead>tr").length:0,g="id"===s.settings.fileName?d.attr("id")?d.attr("id"):i.prototype.defaultFileName:s.settings.fileName,h={xlsx:function(t,o){var r={},s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return[o.map(function(n,o){if(!~c.indexOf(n)&&!e(o).is(x)){if(o.hasAttribute("colspan")&&(r[t]=r[t]||{},r[t][n+1]=o.getAttribute("colspan")-1),o.hasAttribute("rowspan"))for(var i=1;i<o.getAttribute("rowspan");i++)r[t+i]=r[t+i]||{},r[t+i][n]=1;return r[t]&&r[t][n]?new Array(r[t][n]).concat(e(o).text()):e(o).text()}}).get()]}}).get(),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xlsx.mimeType,fileExtension:i.prototype.xlsx.fileExtension})),p=i.prototype.xlsx.buttonContent,f=i.prototype.xlsx.defaultClass;n(a,p,f)},xlsm:function(t,o){var r={},s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return[o.map(function(n,o){if(!~c.indexOf(n)&&!e(o).is(x)){if(o.hasAttribute("colspan")&&(r[t]=r[t]||{},r[t][n+1]=o.getAttribute("colspan")-1),o.hasAttribute("rowspan"))for(var i=1;i<o.getAttribute("rowspan");i++)r[t+i]=r[t+i]||{},r[t+i][n]=1;return r[t]&&r[t][n]?new Array(r[t][n]).concat(e(o).text()):e(o).text()}}).get()]}}).get(),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xls.mimeType,fileExtension:i.prototype.xls.fileExtension})),p=i.prototype.xls.buttonContent,f=i.prototype.xls.defaultClass;n(a,p,f)},xls:function(t,o){var r=i.prototype.xls.separator,s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).text()}).get().join(r)}}).get().join(t),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xls.mimeType,fileExtension:i.prototype.xls.fileExtension})),p=i.prototype.xls.buttonContent,f=i.prototype.xls.defaultClass;n(a,p,f)},csv:function(t,o){var r=i.prototype.csv.separator,s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).text()}).get().join(r)}}).get().join(t),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.csv.mimeType,fileExtension:i.prototype.csv.fileExtension})),p=i.prototype.csv.buttonContent,f=i.prototype.csv.defaultClass;n(a,p,f)},txt:function(t,o){var r=i.prototype.txt.separator,s=y.map(function(t,n){if(!~u.indexOf(t-m)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).text()}).get().join(r)}}).get().join(t),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.txt.mimeType,fileExtension:i.prototype.txt.fileExtension})),p=i.prototype.txt.buttonContent,f=i.prototype.txt.defaultClass;n(a,p,f)}};s.settings.formats.forEach(function(t){!(!o||"xls"!==t)&&(t="xlsm"),!o&&"xlsx"===t&&(t=null),t&&h[t](l,g)})}),e("button[data-fileblob]").off("click").on("click",function(){var t=e(this).data("fileblob"),n=t.data,o=t.fileName,r=t.mimeType,s=t.fileExtension;i.prototype.export2file(n,r,o,s)}),s};i.prototype={defaults:{headings:!0,footers:!0,formats:["xls","csv","txt"],fileName:"id",bootstrap:!0,position:"bottom",ignoreRows:null,ignoreCols:null,ignoreCSS:".tableexport-ignore"},charset:"charset=utf-8",defaultFileName:"myDownload",defaultButton:"button-default",bootstrap:["btn","btn-default","btn-toolbar"],rowDel:"\r\n",entityMap:{"&":"&#38;","<":"&#60;",">":"&#62;","'":"&#39;","/":"&#47;"},xlsx:{defaultClass:"xlsx",buttonContent:"Export to xlsx",mimeType:"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",fileExtension:".xlsx"},xls:{defaultClass:"xls",buttonContent:"Export to xls",separator:"\t",mimeType:"application/vnd.ms-excel",fileExtension:".xls"},csv:{defaultClass:"csv",buttonContent:"Export to csv",separator:",",mimeType:"application/csv",fileExtension:".csv"},txt:{defaultClass:"txt",buttonContent:"Export to txt",separator:"  ",mimeType:"text/plain",fileExtension:".txt"},escapeHtml:function(t){return String(t).replace(/[&<>'\/]/g,function(t){return i.prototype.entityMap[t]})},dateNum:function(t,e){e&&(t+=1462);var n=Date.parse(t);return(n-new Date(Date.UTC(1899,11,30)))/864e5},createSheet:function(t){for(var e={},n={s:{c:1e7,r:1e7},e:{c:0,r:0}},i=0;i!=t.length;++i)for(var r=0;r!=t[i].length;++r){n.s.r>i&&(n.s.r=i),n.s.c>r&&(n.s.c=r),n.e.r<i&&(n.e.r=i),n.e.c<r&&(n.e.c=r);var s={v:t[i][r]};if(null!=s.v){var a=o.utils.encode_cell({c:r,r:i});"number"==typeof s.v?s.t="n":"boolean"==typeof s.v?s.t="b":s.v instanceof Date?(s.t="n",s.z=o.SSF._table[14],s.v=this.dateNum(s.v)):s.t="s",e[a]=s}}return n.s.c<1e7&&(e["!ref"]=o.utils.encode_range(n)),e},Workbook:function(){this.SheetNames=[],this.Sheets={}},string2ArrayBuffer:function(t){for(var e=new ArrayBuffer(t.length),n=new Uint8Array(e),o=0;o!=t.length;++o)n[o]=255&t.charCodeAt(o);return e},export2file:function(t,e,i,r){if(o&&r.startsWith(".xls")){var s=new this.Workbook,a=this.createSheet(t);s.SheetNames.push(i),s.Sheets[i]=a;var p={bookType:r.substr(1,3)+(r.substr(4)||"m"),bookSST:!1,type:"binary"},f=o.write(s,p);t=this.string2ArrayBuffer(f)}n(new Blob([t],{type:e+";"+this.charset}),i+r)},update:function(t){return new i(this.selectors,e.extend({},this.settings,t),(!0))},reset:function(){return new i(this.selectors,settings,(!0))},remove:function(){this.selectors.each(function(){e(this).find("caption:not(.head)").remove()})}},e.fn.tableExport=function(t,e){return new i(this,t,e)};for(var r in i.prototype)e.fn.tableExport[r]=i.prototype[r];t["default"]=t.TableExport=i});
\ No newline at end of file
+!function(t,e){"function"==typeof define&&define.amd?define(["exports","jquery","file-saver","xlsx"],e):"object"==typeof exports&&"string"!=typeof exports.nodeName?e(exports,require("jquery"),require("file-saver"),require("xlsx")):e(t,t.jQuery,t.saveAs,t.XLSX)}(this,function(t,e,n,o){"use strict";var i=function(t,n,r){var s=this;s.settings=r?n:e.extend({},i.prototype.defaults,n),s.selectors=t;var a,p,f,l=i.prototype.rowDel,u=s.settings.ignoreRows instanceof Array?s.settings.ignoreRows:[s.settings.ignoreRows],c=s.settings.ignoreCols instanceof Array?s.settings.ignoreCols:[s.settings.ignoreCols],x=s.settings.ignoreCSS instanceof Array?s.settings.ignoreCSS.join(", "):s.settings.ignoreCSS,d=s.settings.emptyCSS instanceof Array?s.settings.emptyCSS.join(", "):s.settings.emptyCSS;return s.settings.bootstrap?(a=i.prototype.bootstrap[0]+" ",p=i.prototype.bootstrap[1]+" ",f=i.prototype.bootstrap[2]+" "):(a=i.prototype.defaultButton+" ",p=f=""),s.selectors.each(function(){function t(t){var e=y.find("caption:not(.head)");e.length?e.append(t):y.prepend('<caption class="'+f+s.settings.position+'">'+t+"</caption>")}function n(e,n,o){var i="<button data-fileblob='"+e+"' class='"+a+p+o+"'>"+n+"</button>";t(i)}var y=e(this);r&&y.find("caption:not(.head)").remove();var m=y.find("tbody").find("tr"),m=s.settings.headings?m.add(y.find("thead>tr")):m,m=s.settings.footers?m.add(y.find("tfoot>tr")):m,g=s.settings.headings?y.find("thead>tr").length:0,b="id"===s.settings.fileName?y.attr("id")?y.attr("id"):i.prototype.defaultFileName:s.settings.fileName,h={xlsx:function(t,o){var r={},s=m.map(function(t,n){if(!~u.indexOf(t-g)&&!e(n).is(x)){var o=e(n).find("th, td");return[o.map(function(n,o){if(!~c.indexOf(n)&&!e(o).is(x)){if(e(o).is(d))return" ";if(o.hasAttribute("colspan")&&(r[t]=r[t]||{},r[t][n+1]=o.getAttribute("colspan")-1),o.hasAttribute("rowspan"))for(var i=1;i<o.getAttribute("rowspan");i++)r[t+i]=r[t+i]||{},r[t+i][n]=1;return r[t]&&r[t][n]?new Array(r[t][n]).concat(e(o).text()):e(o).text()}}).get()]}}).get(),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xlsx.mimeType,fileExtension:i.prototype.xlsx.fileExtension})),p=i.prototype.xlsx.buttonContent,f=i.prototype.xlsx.defaultClass;n(a,p,f)},xlsm:function(t,o){var r={},s=m.map(function(t,n){if(!~u.indexOf(t-g)&&!e(n).is(x)){var o=e(n).find("th, td");return[o.map(function(n,o){if(!~c.indexOf(n)&&!e(o).is(x)){if(e(o).is(d))return" ";if(o.hasAttribute("colspan")&&(r[t]=r[t]||{},r[t][n+1]=o.getAttribute("colspan")-1),o.hasAttribute("rowspan"))for(var i=1;i<o.getAttribute("rowspan");i++)r[t+i]=r[t+i]||{},r[t+i][n]=1;return r[t]&&r[t][n]?new Array(r[t][n]).concat(e(o).text()):e(o).text()}}).get()]}}).get(),a=i.prototype.escapeHtml(JSON.stringify({data:s,fileName:o,mimeType:i.prototype.xls.mimeType,fileExtension:i.prototype.xls.fileExtension})),p=i.prototype.xls.buttonContent,f=i.prototype.xls.defaultClass;n(a,p,f)},xls:function(t,o){var r=i.prototype.xls.separator,s=m.map(function(t,n){if(!~u.indexOf(t-g)&&!e(n).is(x)){var o=e(n).find("th, td");return o.map(function(t,n){if(!~c.indexOf(t)&&!e(n).is(x))return e(n).is(d)?" 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