diff --git a/services/clsi/app/js/ConversionController.js b/services/clsi/app/js/ConversionController.js
index 4f79e921c8..1e62cd9873 100644
--- a/services/clsi/app/js/ConversionController.js
+++ b/services/clsi/app/js/ConversionController.js
@@ -19,6 +19,7 @@ import { z } from '@overleaf/validation-tools'
 const CONVERSION_CONFIGS = {
   docx: { extension: 'docx' },
   markdown: { extension: 'zip' },
+  html: { extension: 'zip' },
 }
 
 async function convertDocumentToLaTeX(req, res) {
diff --git a/services/clsi/app/js/ConversionManager.js b/services/clsi/app/js/ConversionManager.js
index d181744878..210f9f57f7 100644
--- a/services/clsi/app/js/ConversionManager.js
+++ b/services/clsi/app/js/ConversionManager.js
@@ -162,6 +162,19 @@ const LATEX_EXPORT_CONFIGS = {
       'markdown',
     ],
   },
+  html: {
+    fileExtension: 'html',
+    compressOutput: true,
+    getPandocArgs: ({ outputPath }) => [
+      '--output',
+      outputPath,
+      '--from',
+      'latex',
+      '--to',
+      'html',
+      '--standalone',
+    ],
+  },
 }
 
 async function convertLaTeXToDocumentInDirWithLock(
diff --git a/services/clsi/test/unit/js/ConversionController.test.js b/services/clsi/test/unit/js/ConversionController.test.js
index 365f07d05a..4ae462a64d 100644
--- a/services/clsi/test/unit/js/ConversionController.test.js
+++ b/services/clsi/test/unit/js/ConversionController.test.js
@@ -592,6 +592,37 @@ describe('ConversionController', function () {
       })
     })
 
+    describe('with conversionType=html', function () {
+      beforeEach(async function (ctx) {
+        ctx.req.query = { type: 'html' }
+        ctx.fs.stat.resolves(ctx.documentStat)
+
+        await ctx.ConversionController.convertProjectToDocument(
+          ctx.req,
+          ctx.res,
+          sinon.stub()
+        )
+      })
+
+      it('should call convertLaTeXToDocumentInDirWithLock with type=html', function (ctx) {
+        sinon.assert.calledWith(
+          ctx.ConversionManager.promises.convertLaTeXToDocumentInDirWithLock,
+          sinon.match(
+            /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/
+          ),
+          sinon.match(
+            /^\/compiles\/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/
+          ),
+          'main.tex',
+          'html'
+        )
+      })
+
+      it('should set the attachment filename with .zip extension', function (ctx) {
+        sinon.assert.calledWith(ctx.res.attachment, 'output.zip')
+      })
+    })
+
     describe('when conversion fails', function () {
       beforeEach(async function (ctx) {
         ctx.next = sinon.stub()
diff --git a/services/clsi/test/unit/js/ConversionManager.test.js b/services/clsi/test/unit/js/ConversionManager.test.js
index 71d22fb33b..e4b3945720 100644
--- a/services/clsi/test/unit/js/ConversionManager.test.js
+++ b/services/clsi/test/unit/js/ConversionManager.test.js
@@ -77,6 +77,24 @@ const LATEX_TO_DOCUMENT_CASES = [
       '--extract-media=.',
     ],
   },
+  {
+    type: 'html',
+    extension: 'html',
+    compressOutput: true,
+    pandocArgs: outputId => [
+      'pandoc',
+      Path.join('..', 'main.tex'),
+      '--output',
+      'main.html',
+      '--from',
+      'latex',
+      '--to',
+      'html',
+      '--standalone',
+      '--resource-path=..',
+      '--extract-media=.',
+    ],
+  },
 ]
 
 describe('ConversionManager', function () {