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Pictures Converter vs img2pdf: catalog facts
Pictures Converter	img2pdf
Free Free and open source under the GPL-2.0 licence.	Free Free and open source.
Linux	Windows, macOS, Linux, Command line
Converts between JPG, PNG, TIFF and PDF in any direction Simple graphical interface with no command line needed	Lossless conversion with no re-encoding of images Small output files
Supports only four formats Very small project with few contributors	Command line only, no graphical interface Only converts images to PDF, no editing
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-only	License not stated
No account needed	No account needed
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.