TamperMonkey userscript that allows batch-deletion of past YouTube activity (comments, live chat messages, likes/dislikes, etc.). Based on an original script published by cprima.

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1. Install TamperMonkey browser extension

2. Install YouTube Activity Cleaner (YAC) userscript

1. Sign in to your Google account (e.g. via https://myactivity.google.com)

2. Navigate to one of the following supported YouTube-related activity pages:

   • Your YouTube Comments
   • Your YouTube Live Chat Messages
   • Your Likes and Dislikes on YouTube Comments
   • Your Likes and Dislikes on YouTube Videos
   • Your Activity on YouTube Posts
   • YouTube Purchases
   • Your YouTube Channel Subscriptions

3. Right click (to bring up context menu) -> TamperMonkey -> YouTube Activity Cleaner (YAC)

4. Follow on-screen instructions

Last updated: 04/26/26