Your browser's
memory garbage collector.
gc(tab) automatically closes idle and suspended tabs to free up system memory and keep your workspace clean.
Add to ChromeAuto-Close
Closes tabs that have been idle for too long, with configurable timeouts for idle and suspended tabs.
Live Dashboard
Monitor system memory pressure in real time with interactive sparkline graphs and detailed tracking.
Pressure Accelerator
Shortens idle timeouts automatically when memory pressure is critical, preventing browser slowness.
Duplicate Detection
Finds and closes duplicate tabs, keeping only the most recently active copy.
Custom Rules
Set per-domain timeouts, protect pinned tabs and tab groups, and whitelist important sites.
Easy Restore
Review recently closed tabs and restore any of them with a single click.
100% Local & Private
gc(tab) does not collect, track, or transmit any personal data, browsing history, or analytics. All settings and data remain entirely on your device. Read our Privacy Policy →
Support
Questions, bug reports, or feature requests?
Email: [email protected]
GitHub: github.com/lawther/gctab