According to AlphaMoat, as of 2026-09, the Chrome extension ChatGPT Thread Cleaner has 144 users (-7.1% MoM), rated 5 (6 reviews) — ranked #3,671 of 9,324 AI browser extensions, and #914 of 2,418 in General AI.
Lightens long ChatGPT threads: removes old messages from the DOM, keeping the last N (default 4). ChatGPT Thread Cleaner helps reduce browser lag in long ChatGPT conversations.
The extension removes old message elements from the page DOM within the current chat and keeps only the most recent N messages (default: 4). This prevents the DOM from growing too large and improves performance during long sessions.
How it works:
All operations are performed locally in the browser. No message content is collected, stored, or transmitted.
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.