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pdfCropMargins vs krop: catalog facts
pdfCropMargins	krop
Free Free and open source.	Free Free and open source under the GPLv3 or later.
Windows, macOS, Linux, Command line	macOS, Linux
Automatic margin detection Command line and GUI in one package	Splits pages into subpages for reading on e-readers Simple visual cropping interface
Infrequent releases Does one job only	Cropped content remains in the file and is only hidden Mainly supported on Linux; macOS needs a manual pip install
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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