diff --git a/src/AppBundle/Resources/config/image.yml b/src/AppBundle/Resources/config/image.yml
index 60c99428b..430689f2c 100644
--- a/src/AppBundle/Resources/config/image.yml
+++ b/src/AppBundle/Resources/config/image.yml
@@ -57,10 +57,15 @@ ezpublish:
                         - { name: strip }
 
 liip_imagine:
+    # global setting, all filters will generate webp images
+    default_filter_set_settings:
+        format: webp
     filter_sets:
         small:
             quality: 85
             jpeg_quality: 85
+            # format can also be defined per filter
+            #format: webp
         medium:
             quality: 85
             jpeg_quality: 85
diff --git a/src/AppBundle/ezpublish_legacy/app/settings/image.ini.append.php b/src/AppBundle/ezpublish_legacy/app/settings/image.ini.append.php
index ff829829b..b7ac5b590 100644
--- a/src/AppBundle/ezpublish_legacy/app/settings/image.ini.append.php
+++ b/src/AppBundle/ezpublish_legacy/app/settings/image.ini.append.php
@@ -9,4 +9,27 @@
 [MIMETypeSettings]
 Quality[]
 Quality[]=image/jpeg;90
+Quality[]=image/webp;90
+
+# The global conversion rules
+# Most will be converted to jpeg except gif and xpms
+ConversionRules[]
+ConversionRules[]=image/gif;image/png
+ConversionRules[]=image/x-xpixmap;image/png
+ConversionRules[]=image/webp;image/webp
+# force aliases from jpeg originals to be generated as webp
+ConversionRules[]=image/jpeg;image/webp
+# force aliases from originals in any non-specified format to be generated as webp
+#ConversionRules[]=*;image/webp
+ConversionRules[]=*;image/jpeg
+
+[OutputSettings]
+# A list of MIME types that are allowed as output type
+# This determines which formats you want your web page to display
+AllowedOutputFormat[]=image/webp
+
+[ImageMagick]
+QualityParameters[]=image/webp;-quality %1
+MIMETagMap[]=image/webp;WEBP
+
 */ ?>
diff --git a/src/AppBundle/ezpublish_legacy/app/settings/mime.ini.append.php b/src/AppBundle/ezpublish_legacy/app/settings/mime.ini.append.php
new file mode 100644
index 000000000..a6cfb5278
--- /dev/null
+++ b/src/AppBundle/ezpublish_legacy/app/settings/mime.ini.append.php
@@ -0,0 +1,6 @@
+<?php /* #?ini charset="utf-8"?
+
+[webp]
+Types[]=image/webp
+
+*/ ?>
diff --git a/src/AppBundle/ezpublish_legacy/app/settings/siteaccess/ngadminui/image.ini.append.php b/src/AppBundle/ezpublish_legacy/app/settings/siteaccess/ngadminui/image.ini.append.php
index 0b0e307a5..4a52cfacf 100644
--- a/src/AppBundle/ezpublish_legacy/app/settings/siteaccess/ngadminui/image.ini.append.php
+++ b/src/AppBundle/ezpublish_legacy/app/settings/siteaccess/ngadminui/image.ini.append.php
@@ -8,16 +8,20 @@
 
 [small]
 Reference=original
+# you can disable global ConversionRules for webp, and specify target mime type for each alias
+#MIMEType=image/webp
 Filters[]
 Filters[]=geometry/scaledownonly=100;100
 
 [medium]
 Reference=original
+#MIMEType=image/webp
 Filters[]
 Filters[]=geometry/scaledownonly=200;200
 
 [large]
 Reference=original
+#MIMEType=image/webp
 Filters[]
 Filters[]=geometry/scaledownonly=300;300
 */ ?>