MAZANOKE is a self-hosted image optimizer that runs in a web browser. Image processing takes place locally without uploading files, and the application can work offline as an installable progressive web app.
This is free and open source software.
Key Features
- Adjust image quality, target file size and maximum image dimensions.
- Convert between JPG, PNG, WebP and ICO formats.
- Import HEIC, AVIF, TIFF, GIF and SVG images.
- Process images locally, work offline and remove EXIF metadata.
- Run directly from static files, as an installable web app or self-host with Docker.
Website: github.com/civilblur/mazanoke
Support:
Developer: civilblur
License: GNU General Public License v3.0

MAZANOKE is written in JavaScript. Learn JavaScript with our recommended free books and free tutorials.
Related Software
| GUI Image Compression Tools | |
|---|---|
| XL Converter | Easy-to-use image converter for modern formats |
| Imagine | Software to compress PNG, JPEG and WebP images |
| Caesium | Simple to use image compression tool |
| Curtail | Lossless and lossy compression modes (PNG, JPEG and WEBP) |
| YOGA Image Optimizer | Convert and optimize JPEG, PNG and WebP images |
| OptiImage | Useful image compressor that supports PNG, JPEG, WebP and SVG |
| Image Optimizer | Simple lossless compression |
| Halftone | Apply a pixel art-like style and reduce the file size in the process |
| PicSharp | Cross-platform desktop image compression application |
| Trimage | Cross-platform tool for losslessly optimizing PNG and JPG files |
| E-Mage | Cross-platform tool for losslessly image compression |
| Drop Compress Image | Convert and compress images |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |


Please read our Comment Policy before commenting.