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Smolr is a free, open-source macOS app that compresses and converts images to modern formats like WebP, AVIF, and JPEG XL.
- Compress images with quality control
- Convert to WebP, AVIF, JPEG XL from PNG, JPEG, GIF, WebP, AVIF, JPEG XL
- Batch process multiple files at once
- Quality slider for precise control (50-100%)
- Strips metadata to reduce file size
- 100% local processing
- No subscriptions, no ads, no tracking
- Open source
- Simple drag & drop interface
SmolrMake images Smolr - Compress images to modern formats
Jimmy Houleleft a comment
Hello everyone! I'm Jimmy, and I built Smolr because I was tired of using online tools to compress images for my websites. Every time, I would have issues with the existing tools. Most don't support Webp and those who do, did not support batch processing. I also did not like my images being uploaded to a random website to be optimized. So I made Smolr, a better tool targeted towards my own...
SmolrMake images Smolr - Compress images to modern formats