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PDF-XChange Editor vs PDF Annotator: catalog facts
PDF-XChange Editor	PDF Annotator
Freemium Most features are free. Some tools add a watermark unless you buy a licence.	Paid Paid software with a free trial.
Windows	Windows
Most features work in the free version rather than being blocked Fast rendering and a genuinely capable annotation toolset	Handwritten annotations with pen and touch on tablet PCs Annotations saved into the original PDF and viewable anywhere
Paid-only features watermark output rather than being hidden Windows only, closed source	Windows only Paid after the trial
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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