diff --git a/README.md b/README.md
index a871211c..a4644bd5 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,7 @@ Glob expressions (from the globby library):
 - {} allows for a comma-separated list of "or" expressions
 - ! or # at the beginning of a pattern negate the match
 - : at the beginning identifies a literal file path
+- - as a glob represents standard input (stdin)
 
 Dot-only glob:
 - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended
diff --git a/markdownlint-cli2.js b/markdownlint-cli2.js
index 3f8299e7..6327fa14 100755
--- a/markdownlint-cli2.js
+++ b/markdownlint-cli2.js
@@ -263,6 +263,7 @@ Glob expressions (from the globby library):
 - {} allows for a comma-separated list of "or" expressions
 - ! or # at the beginning of a pattern negate the match
 - : at the beginning identifies a literal file path
+- - as a glob represents standard input (stdin)
 
 Dot-only glob:
 - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended
@@ -807,7 +808,8 @@ const lintFiles = (fs, dirInfos, fileContents) => {
       task = task.then((results) => {
         options.files = [];
         const subTasks = [];
-        const errorFiles = Object.keys(results);
+        const errorFiles = Object.keys(results).
+          filter((result) => filteredFiles.includes(result));
         for (const fileName of errorFiles) {
           const errorInfos = results[fileName].
             filter((errorInfo) => errorInfo.fixInfo);
@@ -909,11 +911,12 @@ const main = async (params) => {
     optionsDefault,
     optionsOverride,
     fileContents,
-    nonFileContents,
-    noRequire
+    noRequire,
+    allowStdin
   } = params;
   let {
-    noGlobs
+    noGlobs,
+    nonFileContents
   } = params;
   const logMessage = params.logMessage || noop;
   const logError = params.logError || noop;
@@ -926,6 +929,7 @@ const main = async (params) => {
   let fixDefault = false;
   // eslint-disable-next-line unicorn/no-useless-undefined
   let configPath = undefined;
+  let useStdin = false;
   let sawDashDash = false;
   let shouldShowHelp = false;
   const argvFiltered = (argv || []).filter((arg) => {
@@ -933,6 +937,8 @@ const main = async (params) => {
       return true;
     } else if (configPath === null) {
       configPath = arg;
+    } else if ((arg === "-") && allowStdin) {
+      useStdin = true;
       // eslint-disable-next-line unicorn/prefer-switch
     } else if (arg === "--") {
       sawDashDash = true;
@@ -983,22 +989,30 @@ const main = async (params) => {
     }
   }
   if (
-    ((globPatterns.length === 0) && !nonFileContents) ||
+    ((globPatterns.length === 0) && !useStdin && !nonFileContents) ||
     (configPath === null)
   ) {
     return showHelp(logMessage, false);
   }
+  // Add stdin as a non-file input if necessary
+  if (useStdin) {
+    const key = pathPosix.join(baseDir, "stdin");
+    const { text } = require("node:stream/consumers");
+    nonFileContents = {
+      ...nonFileContents,
+      [key]: await text(process.stdin)
+    };
+  }
   // Include any file overrides or non-file content
-  const { baseMarkdownlintOptions, dirToDirInfo } = baseOptions;
   const resolvedFileContents = {};
   for (const file in fileContents) {
     const resolvedFile = posixPath(pathDefault.resolve(baseDirSystem, file));
-    resolvedFileContents[resolvedFile] =
-      fileContents[file];
+    resolvedFileContents[resolvedFile] = fileContents[file];
   }
   for (const nonFile in nonFileContents) {
     resolvedFileContents[nonFile] = nonFileContents[nonFile];
   }
+  const { baseMarkdownlintOptions, dirToDirInfo } = baseOptions;
   appendToArray(
     dirToDirInfo[baseDir].files,
     Object.keys(nonFileContents || {})
@@ -1079,7 +1093,8 @@ const run = (overrides, args) => {
       const defaultParams = {
         "argv": argsAndArgv,
         "logMessage": console.log,
-        "logError": console.error
+        "logError": console.error,
+        "allowStdin": true
       };
       const params = {
         ...defaultParams,
diff --git a/test/markdownlint-cli2-test-exec.js b/test/markdownlint-cli2-test-exec.js
index 95c1573d..394262f5 100644
--- a/test/markdownlint-cli2-test-exec.js
+++ b/test/markdownlint-cli2-test-exec.js
@@ -4,15 +4,19 @@
 
 const fs = require("node:fs/promises");
 const path = require("node:path");
+const test = require("ava").default;
 const testCases = require("./markdownlint-cli2-test-cases");
 
+const absolute = (rootDir, file) => path.join(rootDir, file);
+const repositoryPath = (name) => path.join(__dirname, "..", name);
+
 const invoke = (directory, args, noRequire, env, script) => async () => {
   await fs.access(directory);
   const { "default": spawn } = await import("nano-spawn");
   return spawn(
     "node",
     [
-      path.join(__dirname, "..", script || "markdownlint-cli2.js"),
+      repositoryPath(script || "markdownlint-cli2.js"),
       ...args
     ],
     {
@@ -27,8 +31,6 @@ const invoke = (directory, args, noRequire, env, script) => async () => {
     catch((error) => error);
 };
 
-const absolute = (rootDir, file) => path.join(rootDir, file);
-
 testCases({
   "host": "exec",
   invoke,
@@ -39,3 +41,151 @@ testCases({
   "includeRequire": true,
   "includeAbsolute": true
 });
+
+const invokeStdin = async (args, stdin, cwd) => {
+  const { "default": spawn } = await import("nano-spawn");
+  return spawn(
+    "node",
+    [
+      repositoryPath("markdownlint-cli2.js"),
+      ...args
+    ],
+    {
+      cwd,
+      "stdin": { "string": stdin }
+    }
+  );
+};
+
+const validInput = "# Heading\n\nText\n";
+const invalidInput = "#  Heading\n\nText";
+
+test("- parameter with empty input from stdin", (t) => {
+  t.plan(1);
+  return invokeStdin(
+    [ "-" ],
+    ""
+  ).
+    then(() => t.pass()).
+    catch(() => t.fail());
+});
+
+test("- parameter with valid input from stdin", (t) => {
+  t.plan(1);
+  return invokeStdin(
+    [ "-" ],
+    validInput
+  ).
+    then(() => t.pass()).
+    catch(() => t.fail());
+});
+
+test("- parameter with invalid input from stdin", (t) => {
+  t.plan(2);
+  return invokeStdin(
+    [ "-" ],
+    invalidInput
+  ).
+    then(() => t.fail()).
+    catch((error) => {
+      t.is(error.exitCode, 1);
+      t.is("", error.stderr.replace(/^stdin:1:3 MD019\/.*$[\n\r]+^stdin:3:4 MD047\/.*$/mu, ""));
+    });
+});
+
+test("- parameter with invalid input from stdin and --fix", (t) => {
+  t.plan(2);
+  return invokeStdin(
+    [ "-", "--fix" ],
+    invalidInput
+  ).
+    then(() => t.fail()).
+    catch((error) => {
+      t.is(error.exitCode, 1);
+      t.is("", error.stderr.replace(/^stdin:1:3 MD019\/.*$[\n\r]+^stdin:3:4 MD047\/.*$/mu, ""));
+    });
+});
+
+test("- parameter multiple times with invalid input", (t) => {
+  t.plan(2);
+  return invokeStdin(
+    [ "-", "-" ],
+    invalidInput
+  ).
+    then(() => t.fail()).
+    catch((error) => {
+      t.is(error.exitCode, 1);
+      t.is("", error.stderr.replace(/^stdin:1:3 MD019\/.*$[\n\r]+^stdin:3:4 MD047\/.*$/mu, ""));
+    });
+});
+
+test("- parameter with valid input combined with valid globs", (t) => {
+  t.plan(1);
+  return invokeStdin(
+    [ repositoryPath("CONTRIBUTING.md"), "-", repositoryPath("README.md") ],
+    validInput
+  ).
+    then(() => t.pass()).
+    catch(() => t.fail());
+});
+
+test("- parameter with invalid input combined with valid globs", (t) => {
+  t.plan(2);
+  return invokeStdin(
+    [ repositoryPath("CONTRIBUTING.md"), repositoryPath("README.md"), "-" ],
+    invalidInput
+  ).
+    then(() => t.fail()).
+    catch((error) => {
+      t.is(error.exitCode, 1);
+      t.is("", error.stderr.replace(/^stdin:1:3 MD019\/.*$[\n\r]+^stdin:3:4 MD047\/.*$/mu, ""));
+    });
+});
+
+test("- parameter with invalid input combined with invalid glob", (t) => {
+  t.plan(2);
+  return invokeStdin(
+    [ "-", repositoryPath("LICENSE") ],
+    invalidInput
+  ).
+    then(() => t.fail()).
+    catch((error) => {
+      t.is(error.exitCode, 1);
+      t.is("", error.stderr.replace(/^LICENSE:1 MD041\/.*$[\n\r]+^stdin:1:3 MD019\/.*$[\n\r]+^stdin:3:4 MD047\/.*$/mu, ""));
+    });
+});
+
+test("- parameter uses base directory configuration", (t) => {
+  t.plan(2);
+  return invokeStdin(
+    [ "-" ],
+    invalidInput,
+    path.join(__dirname, "stdin")
+  ).
+    then(() => t.fail()).
+    catch((error) => {
+      t.is(error.exitCode, 1);
+      t.is("", error.stderr.replace(/^stdin:1:3 MD019\/.*$/mu, ""));
+    });
+});
+
+test("- parameter not treated as stdin in configuration file globs", (t) => {
+  t.plan(1);
+  return invokeStdin(
+    [],
+    invalidInput,
+    path.join(__dirname, "stdin-globs")
+  ).
+    then(() => t.pass()).
+    catch(() => t.fail());
+});
+
+test("- parameter ignored after --", (t) => {
+  t.plan(1);
+  return invokeStdin(
+    [ "--", "-" ],
+    invalidInput
+  ).
+    then(() => t.pass()).
+    catch(() => t.fail());
+});
diff --git a/test/markdownlint-cli2-test.js b/test/markdownlint-cli2-test.js
index 6f61afa2..b08503ca 100644
--- a/test/markdownlint-cli2-test.js
+++ b/test/markdownlint-cli2-test.js
@@ -67,7 +67,7 @@ test("README files", (t) => {
 });
 
 test("validateMarkdownlintConfigSchema", async (t) => {
-  t.plan(26);
+  t.plan(27);
 
   // Validate schema
   // @ts-ignore
@@ -111,7 +111,7 @@ test("validateMarkdownlintConfigSchema", async (t) => {
 });
 
 test("validateMarkdownlintCli2ConfigSchema", async (t) => {
-  t.plan(90);
+  t.plan(91);
 
   // Validate schema
   // @ts-ignore
@@ -696,3 +696,16 @@ test("-- stops matching parameters per POSIX Utility Conventions 12.2 Guideline
   files.push([ "/--", "# Title" ]);
   await scenario([ "--", "--" ], 1);
 });
+
+test ("- not supported by main entry point", (t) => {
+  t.plan(2);
+  return markdownlintCli2({
+    "argv": [ "-" ],
+    "optionsOverride": {
+      "outputFormatters": [ [ outputFormatterLengthIs(t, 0) ] ]
+    }
+  }).
+    then((exitCode) => {
+      t.is(exitCode, 0);
+    });
+});
diff --git a/test/snapshots/markdownlint-cli2-test-exec.js.md b/test/snapshots/markdownlint-cli2-test-exec.js.md
index 639f0ae4..c6b5e6e6 100644
--- a/test/snapshots/markdownlint-cli2-test-exec.js.md
+++ b/test/snapshots/markdownlint-cli2-test-exec.js.md
@@ -27,6 +27,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -83,6 +84,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -139,6 +141,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -195,6 +198,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -681,6 +685,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
diff --git a/test/snapshots/markdownlint-cli2-test-exec.js.snap b/test/snapshots/markdownlint-cli2-test-exec.js.snap
index 1eb224b0..fed06ee8 100644
Binary files a/test/snapshots/markdownlint-cli2-test-exec.js.snap and b/test/snapshots/markdownlint-cli2-test-exec.js.snap differ
diff --git a/test/snapshots/markdownlint-cli2-test-fs.js.md b/test/snapshots/markdownlint-cli2-test-fs.js.md
index 671c6f8f..47abcbb8 100644
--- a/test/snapshots/markdownlint-cli2-test-fs.js.md
+++ b/test/snapshots/markdownlint-cli2-test-fs.js.md
@@ -27,6 +27,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -84,6 +85,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -141,6 +143,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -198,6 +201,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -711,6 +715,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
diff --git a/test/snapshots/markdownlint-cli2-test-fs.js.snap b/test/snapshots/markdownlint-cli2-test-fs.js.snap
index a663aaeb..ad8442e0 100644
Binary files a/test/snapshots/markdownlint-cli2-test-fs.js.snap and b/test/snapshots/markdownlint-cli2-test-fs.js.snap differ
diff --git a/test/snapshots/markdownlint-cli2-test-main.js.md b/test/snapshots/markdownlint-cli2-test-main.js.md
index 5e7236b9..c76a91bd 100644
--- a/test/snapshots/markdownlint-cli2-test-main.js.md
+++ b/test/snapshots/markdownlint-cli2-test-main.js.md
@@ -27,6 +27,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -84,6 +85,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -141,6 +143,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -198,6 +201,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
@@ -711,6 +715,7 @@ Generated by [AVA](https://avajs.dev).
       - {} allows for a comma-separated list of "or" expressions␊
       - ! or # at the beginning of a pattern negate the match␊
       - : at the beginning identifies a literal file path␊
+      - - as a glob represents standard input (stdin)␊
       ␊
       Dot-only glob:␊
       - The command "markdownlint-cli2 ." would lint every file in the current directory tree which is probably not intended␊
diff --git a/test/snapshots/markdownlint-cli2-test-main.js.snap b/test/snapshots/markdownlint-cli2-test-main.js.snap
index 84839101..fe8d01fb 100644
Binary files a/test/snapshots/markdownlint-cli2-test-main.js.snap and b/test/snapshots/markdownlint-cli2-test-main.js.snap differ
diff --git a/test/stdin-globs/.markdownlint-cli2.jsonc b/test/stdin-globs/.markdownlint-cli2.jsonc
new file mode 100644
index 00000000..5a9c315b
--- /dev/null
+++ b/test/stdin-globs/.markdownlint-cli2.jsonc
@@ -0,0 +1,9 @@
+{
+  "config": {
+    "single-trailing-newline": false
+  },
+  "globs": [
+    "*.md",
+    "-"
+  ]
+}
diff --git a/test/stdin-globs/viewme.md b/test/stdin-globs/viewme.md
new file mode 100644
index 00000000..dd663662
--- /dev/null
+++ b/test/stdin-globs/viewme.md
@@ -0,0 +1,13 @@
+# Title
+
+> Tagline
+
+## Description
+
+Text text text
+Text text text
+Text text text
+
+## Summary
+
+Text text text
diff --git a/test/stdin/.markdownlint.jsonc b/test/stdin/.markdownlint.jsonc
new file mode 100644
index 00000000..35c7d6f6
--- /dev/null
+++ b/test/stdin/.markdownlint.jsonc
@@ -0,0 +1,3 @@
+{
+  "single-trailing-newline": false
+}
diff --git a/webworker/stream-promises.js b/webworker/module-empty.js
similarity index 100%
rename from webworker/stream-promises.js
rename to webworker/module-empty.js
diff --git a/webworker/url-stub.js b/webworker/url-stub.js
deleted file mode 100644
index 6d30054f..00000000
--- a/webworker/url-stub.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// @ts-check
-
-"use strict";
-
-module.exports = {};
diff --git a/webworker/webpack.config.js b/webworker/webpack.config.js
index 69935fb7..2fcc75ee 100644
--- a/webworker/webpack.config.js
+++ b/webworker/webpack.config.js
@@ -27,11 +27,11 @@ module.exports = {
         resource.request = module;
       }
     ),
-    // Intercept "node:stream/promises" lacking a browserify entry
+    // Intercept "node:stream/consumers" and "node:stream/promises" lacking a browserify entry
     new webpack.NormalModuleReplacementPlugin(
-      /^stream\/promises$/u,
+      /^stream\/(?:consumers|promises)$/u,
       (resource) => {
-        resource.request = require.resolve("./stream-promises.js");
+        resource.request = require.resolve("./module-empty.js");
       }
     ),
     // Intercept existing "unicorn-magic" package to provide missing import
@@ -55,7 +55,7 @@ module.exports = {
       "process": require.resolve("./process-stub.js"),
       "process-wrapper": require.resolve("./process-stub.js"),
       "stream": require.resolve("stream-browserify"),
-      "url": require.resolve("./url-stub.js")
+      "url": require.resolve("./module-empty.js")
     }
   }
 };