# ChatGPT Message Compressor > ChatGPT Message Compressor keeps long ChatGPT chats fast by compressing older message history locally in your browser, reducing lag, speeding up huge conversation loads, and making daily ChatGPT use smoother. Canonical page: [https://chrome-stats.com/d/chatgpt-message-compressor](https://chrome-stats.com/d/chatgpt-message-compressor) ## Overview - **ID:** `chatgpt-message-compressor` - **Platform:** Firefox - **Type:** Firefox add-on - **Status:** Available - **Publisher:** Spegal.Dev - **Category:** web-development,social-communication - **Daily users:** 2 - **Version:** 1.0.2 - **Last updated:** 2026-05-12 - **First published:** 2026-05-07 - **Size:** 277 KB - **Data as of:** 2026-09-13 - **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/chatgpt-message-compressor/) - **Website:** [https://support.spegal.dev](https://support.spegal.dev/) ## Description ๐Ÿš€ ChatGPT Message Compressor Make long ChatGPT chats usable again โ€” no more frozen tabs, slow scrolling, or waiting forever for huge conversations to load. ChatGPT is great, but very long chats can seriously slow down your browser. Big conversations can take ages to open, lag while scrolling, and make the page feel heavier over time. ChatGPT Message Compressor fixes that by keeping the newest messages rendered normally while compressing older message history locally in your browser. The result is a much faster, smoother ChatGPT experience โ€” especially if you use ChatGPT every day. ๐Ÿ”— https://compressor.spegal.dev โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ โœจ Features โ€ข โšก Reduce browser lag in long ChatGPT conversations โ€ข ๐Ÿš€ Load huge chats much faster โ€ข ๐Ÿงต Keep current/newest messages usable and visible โ€ข ๐Ÿ“ฆ Compress older message history locally in your browser โ€ข ๐Ÿ–ฑ๏ธ Restore compressed sections when you need them โ€ข ๐Ÿงผ Clean, lightweight interface โ€ข ๐ŸŒ Works directly on ChatGPT in your browser โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ ๐Ÿ“Œ Why This Exists Long ChatGPT conversations can become painfully slow. If you use ChatGPT daily, youโ€™ve probably had chats that start taking forever to open, scroll poorly, or make the tab feel frozen. Sometimes loading a massive conversation can take minutes. This extension is built for that exact problem. Instead of forcing your browser to keep rendering every single old message forever, ChatGPT Message Compressor compresses older parts of the conversation so the page can breathe again. Your long chats become usable again, and the time saved adds up fast. ๐Ÿ’ฐ 3-day full trial Then upgrade once for lifetime unlimited compression on this browser. No subscriptions. No recurring fees. โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ ๐Ÿ› ๏ธ How It Works
  1. Install the extension
  2. Open a long ChatGPT conversation
  3. Let the extension compress older message history
  4. Keep using the chat with drastically less browser lag
Your newest messages stay available while older history is compressed out of the heavy page rendering load. โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ โš ๏ธ Disclaimer This extension is not affiliated with, endorsed by, or sponsored by OpenAI or ChatGPT. ## Rankings - #69,883 โ€” Overall - #45 โ€” message - #61 โ€” messages ## Permissions and access ### Permissions - `storage` ### Host permissions - `https://chatgpt.com/*` - `https://chat.openai.com/*` - `https://compressor.spegal.dev/*` ### Content script matches - `chatgpt.com` - `chat.openai.com` ## Safety - **Risk impact:** High risk impact - **Risk likelihood:** High risk likelihood ### Analysis details - Request access to the following domains: chatgpt.com, openai.com, spegal.dev - This extension has low user count. Unpopular extensions may not be stable or safe. > Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing). ## Similar extensions and apps - [GPTimizer](https://chrome-stats.com/d/gptimizer) โ€” 1 users - [ChatGPT Turbo: Fix Lag in Long Chats](https://chrome-stats.com/d/chatgpt-turbo) โ€” 30 users, 5.00 / 5 - [GPT Local Speed Booster](https://chrome-stats.com/d/gpt-local-speed-booster) โ€” 8 users - [ChatGPT Performance Optimizer](https://chrome-stats.com/d/chatgpt-performance-optimizer) โ€” 54 users, 5.00 / 5 - [Speed Booster Toolkit for ChatGPT](https://chrome-stats.com/d/chatgpt-speed-booster) โ€” 3,346 users, 4.26 / 5 - [Fast Chat-GPT](https://chrome-stats.com/d/fast-chat-gpt) โ€” 24 users, 3.00 / 5 - [ChatGPT Booster - Performance Manager](https://chrome-stats.com/d/chatgpt-booster-performance) โ€” 6 users - [ChatGPT DOM Cleaner](https://chrome-stats.com/d/chatgpt-dom-cleaner) โ€” 18 users - [SmartChat - for ChatGPT](https://chrome-stats.com/d/smartchat-for-chatgpt) โ€” 1 users - [AI Chat Turbo](https://chrome-stats.com/d/ai-chat-turbo) โ€” 29 users, 5.00 / 5 - [ChatGPT : Fix Lag & Typing Delay](https://chrome-stats.com/d/chatgpt-fix-lag-typing-delay) โ€” 3 users - [ChatGPT Lag Fix](https://chrome-stats.com/d/chatgpt-lag-fix) โ€” 35 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/chatgpt-message-compressor)