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Auto Tab Discard vs Tab Wrangler: catalog facts
Auto Tab Discard	Tab Wrangler
Best for: Suspends inactive tabs to free memory, keeping them in the tab strip	Best for: People who collect too many open tabs and want them tidied automatically
Free The open-source extension is available without a license fee.	Free Free and open source.
Browser extension	Browser extension
Frees memory without losing tabs or their order Sensible exclusions for pinned, playing and form-filled tabs	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
Restoring a discarded tab reloads it, which loses unsaved page state Aggressive settings reload pages more often than you want	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: MPL-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Auto Tab Discard webextension.org/listing/tab-discard.html github.com/rNeomy/auto-tab-discard Catalog checked September 22, 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.