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Pictures Converter vs IceBox: catalog facts
Pictures Converter	IceBox
Free Free and open source under the GPL-2.0 licence.	Free Free and open source under the GPL-3.0 licence.
Linux	Linux
Converts between JPG, PNG, TIFF and PDF in any direction Simple graphical interface with no command line needed	Single purpose: images in, one PDF out Available as a Flatpak
Supports only four formats Very small project with few contributors	Does not edit or merge existing PDFs Small project with limited development history
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-only	License: GPL-3.0
No account needed	Not stated if an account is 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.