Compare software

Optimage vs Pngyu: catalog facts
Optimage	Pngyu
Freemium Free for 24 images per day; a full licence costs $15.	Free Free and distributed under the BSD license.
macOS	Windows, macOS
Automatic compression at consistent visual quality Supports many image formats plus MP4, WebM and PDF	Gives pngquant a graphical interface Pre-built binaries for Windows and macOS
macOS only Free tier limited to 24 images per day	Handles PNG files only No pre-built Linux binary
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: BSD-3-Clause
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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