
A browser-based image optimizer that processes images locally to ensure privacy.
Rating
5.0 out of 5
Mazanoke makes image files smaller in your browser without uploading them to a server. Adjust quality, choose a target file size, resize images, and convert formats. It is free, supports multiple images, and works offline after installation as a web app.
Updated Sep 8, 2026.
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All image optimization is performed entirely on the user's device within the browser, ensuring images never leave the computer.
Users can control the image quality to balance detail retention and file size reduction.
Allows users to specify a desired output file size for optimized images.
Users can keep original image dimensions or limit width and height during optimization.
Supports conversion of HEIC, AVIF, TIFF, GIF, and SVG images to PNG while leaving JPG, PNG, WebP, and ICO unchanged.
Can be installed as a web app and continues to function offline, processing images locally without internet connection.
| Plan | Price | Highlights |
|---|---|---|
| Free | Free | Local image optimization in browser
|
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