According to AlphaMoat, as of 2026-07, the Chrome extension ChatGPT LightSession has 60,000 users (+20% MoM), rated 4.8 (366 reviews) — ranked #184 of 11,103 AI browser extensions, and #6 of 685 in Developer Tools.
Trim heavy ChatGPT threads client-side by keeping only the last N messages along the active path. Toggle and configure via popup.
Trim heavy ChatGPT threads client-side by keeping only the last N messages along the active path. Toggle and configure via popup. ⚡️ LightSession — Keep ChatGPT Fast & Focused ChatGPT threads can get heavy. LightSession keeps your browser smooth by automatically trimming long conversations and keeping only the messages that matter. ✨ Features • Auto-trim long threads to improve UI performance • Adjustable message limit (choose how many to keep) • Optional: preserve system / tool messages • Minimal UI with quick toggles 🔒 Privacy First • 100 % local execution • No analytics, tracking, or data collection • No backend — everything runs in your browser 💡 Built for Power Users Designed for professionals who rely on ChatGPT every day. LightSession runs entirely on your machine and keeps sessions responsive even during long research or coding marathons. 📬 Support & Feedback Found an issue or have an idea for a feature? Reach out via the Chrome Web Store support tab or email the developer directly. ✅ Lightweight. Fast. Made for performance.
| Month | Users | MoM |
|---|---|---|
| 2026-07 | 60.0K | +20.0% |
| 2026-06 | 50.0K | -16.7% |
| 2026-05 | 60.0K | +20.0% |
| 2026-04 | 50.0K | — |
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Data month: 2026-07 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.