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YOGA Image Optimizer vs Image Optimizer: catalog facts
YOGA Image Optimizer	Image Optimizer
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the MIT licence.
Windows, Linux	Linux
Simple drag and drop workflow Converts between JPEG, PNG and WebP	Lossless compression with identical pixels Processes a whole folder at once
JPEG optimization is slow and memory hungry Small gains when optimizing WebP files	Only PNG and JPEG Overwrites the original files in place
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
No account needed	No account needed
Works offline	Not stated if it 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.