Small.im v2
Compresses, converts, and resizes images in multiple formats with bulk processing and near-lossless quality.
A browser-based image optimization tool that compresses, converts, and resizes images in JPG, PNG, WebP, AVIF, and GIF formats, reducing file size by up to 90% while maintaining visual quality. It serves designers, marketers, developers, and e-commerce merchants who need fast, private image processing without uploads. Processing happens entirely in the user's browser via WebAssembly, ensuring files never leave the device. It is positioned as a privacy-first, free, and unlimited alternative to cloud-based compressors.
Key features
- Smart compression up to 90% size reduction
- Convert between JPG, PNG, WebP, AVIF, GIF
- Batch processing of hundreds of images
- Resize by width, height, or percentage
- Privacy-first: all processing in browser
- No file size limits or watermarks
- Open source under MIT license
- Powered by MozJPEG, OxiPNG, libwebp, libavif
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