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Browsertrix Crawler vs kage: catalog facts
Browsertrix Crawler	kage
Free Free to use; the source is published on GitHub by Webrecorder.	Free Free and open source under the MIT licence.
Command line	Windows, macOS, Linux, Command line
Captures pages through a real browser rather than raw HTML Writes standard WARC and WACZ archive files	Captures JavaScript-rendered pages through a real browser Saved copies run no scripts and make no network calls
Aimed at technical users rather than casual downloading Output needs a web archive viewer to replay	Interactive features that depend on JavaScript stop working in the copy Needs Chrome for rendering
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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