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SingleFile vs Wayback Machine: catalog facts
SingleFile	Wayback Machine
Free Free and open source under the AGPL.	Free Free extension from the non-profit Internet Archive.
Browser extension	Browser extension
One file with everything inlined, including images and fonts Saves what is rendered, so pages built by JavaScript are captured correctly	Official extension from the Internet Archive Saves pages to the archive in one step
Files are large because everything is embedded Interactive and streaming content cannot be preserved	Depends on the Internet Archive's service being available Pages not previously archived cannot be recovered
Browser extension	Browser extension
Open source	Open source
License: AGPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.