Chat Collapser

Tired of scrolling through long AI chat threads? Chat Collapser automatically collapses older AI responses, keeping your conversation readable and easy to navigate.

Features:

Automatically collapses older AI responses, keeping the most recent visible
Per-message collapse/expand toggle buttons
Collapse All / Expand All toolbar
Keyboard shortcuts: Alt+C (collapse all), Alt+E (expand all)
Remembers collapse state across page reloads
Works with SPA navigation (no page refresh needed)
Long user message truncation on ChatGPT with Show more/Show less
Supports:

Claude.ai
ChatGPT.com
Privacy: All data is stored locally on your device. No data is collected or transmitted.