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PDF-XChange Editor vs indiPDF: catalog facts
PDF-XChange Editor	indiPDF
Freemium Most features are free. Some tools add a watermark unless you buy a licence.	Paid A one-time $35 lifetime licence, with a free trial download.
Windows	Windows, Linux
Most features work in the free version rather than being blocked Fast rendering and a genuinely capable annotation toolset	Annotations saved as standard PDF objects readable in other viewers Page organizing, merging and splitting built in
Paid-only features watermark output rather than being hidden Windows only, closed source	Proprietary and paid after the trial No macOS version
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
Not stated if an account is needed	Not stated if an account is 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.