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PDF Bob vs Censor: catalog facts
PDF Bob	Censor
Free The online editor is free to use.	Free Free and open source under the AGPL-3.0.
Web	Linux
Runs in the browser with no install Annotation, redaction and page management in one tool	Single-purpose tool for PDF redaction Native GTK4 and Adwaita interface
Files are processed online Some features such as signing and hyperlinks were marked as coming soon	Linux only Does only redaction, not general PDF editing
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0-only
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 1, 2026	Official website Full listing and sources Checked October 1, 2026

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