Tampermonkey Script Google Chrome Extension

Creating Google Chrome Extension from Tampermonkey Script

A memo on the procedure for creating a Google Chrome extension from a Tampermonkey script. Convert a Tampermonkey user script to a Chrome extension manually with the following steps.

Shou Arisaka
1 min read
Nov 11, 2025

A memo on the procedure for creating a Google Chrome extension from a Tampermonkey script. Convert a Tampermonkey user script to a Chrome extension manually with the following steps.

  1. Create a directory
  2. Create manifest.json
  3. Prepare JavaScript files and icon images (128x128)
  4. Zip compress
  5. At chrome://extensions, you can test whether the extension actually works by loading an unpacked extension.
  6. Add and publish from https://chrome.google.com/webstore/developer/dashboard
manifest.json ``` { "name": "Pinboard.in clean up", "manifest_version": 2, "version": "0.1", "description": "Clean up the UI of pinboard.in", "icons": { "128": "pinboard128.png" }, "content_scripts": [ { "matches": ["http://www.pinboard.in/*","http://pinboard.in/*"], "js": ["pinboardin_clean_up.user.js"] } ] } ``` Reference: https://justin.kelly.org.au/how-to-create-a-google-chrome-extension-from/

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Shou Arisaka Nov 11, 2025

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