Compare software

jpegoptim vs Curtail: catalog facts
jpegoptim	Curtail
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0-or-later.
Windows, Linux, Command line	Linux
Small, fast tool focused on one job Easy to use in scripts and batch jobs	Handles PNG, JPEG, WebP and SVG Uses proven tools like oxipng and pngquant
Handles JPEG files only No graphical interface	Linux only Compression only, no other editing
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 October 1, 2026

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