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Zipic vs Pngyu: catalog facts
Zipic	Pngyu
Freemium 25 free images per day with basic features; Pro is a one-time purchase.	Free Free and distributed under the BSD license.
Windows, macOS, Command line	Windows, macOS
Processes images locally Wide format support including AVIF and JPEG XL	Gives pngquant a graphical interface Pre-built binaries for Windows and macOS
Free tier limited to 25 images per day Windows version still in beta	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
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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