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Tab Wrangler vs The Marvellous Suspender: catalog facts
Tab Wrangler	The Marvellous Suspender
Best for: People who collect too many open tabs and want them tidied automatically	Best for: Keeping memory use down with many open Chrome tabs
Free Free and open source.	Free Free open-source extension, with optional sponsorship.
Browser extension	Browser extension
Closes idle tabs automatically Keeps closed tabs in a list for restoring All 4 strengths for Tab Wrangler Closes idle tabs automatically Keeps closed tabs in a list for restoring Available for both Chrome and Firefox Open source	Frees memory by suspending idle tabs No ads or tracking All 3 strengths for The Marvellous Suspender Frees memory by suspending idle tabs No ads or tracking Actively maintained with automated testing
Closing tabs automatically can surprise you until the timing is tuned No versions for Safari or other browsers mentioned	Built for Chrome Suspended tabs reload when reopened
Browser extension	Browser extension
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for Tab Wrangler github.com/tabwrangler/tabwrangler Catalog checked September 23, 2026	Official website Full listing and sources Sources for The Marvellous Suspender github.com/gioxx/MarvellousSuspender Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.