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The Marvellous Suspender vs Tab Wrangler: catalog facts
The Marvellous Suspender	Tab Wrangler
Best for: Keeping memory use down with many open Chrome tabs	Best for: People who collect too many open tabs and want them tidied automatically
Free Free open-source extension, with optional sponsorship.	Free Free and open source.
Browser extension	Browser extension
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	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
Built for Chrome Suspended tabs reload when reopened	Closing tabs automatically can surprise you until the timing is tuned No versions for Safari or other browsers mentioned
Browser extension	Browser extension
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for The Marvellous Suspender github.com/gioxx/MarvellousSuspender Catalog checked October 2, 2026	Official website Full listing and sources Sources for Tab Wrangler github.com/tabwrangler/tabwrangler Catalog checked September 23, 2026

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