If you're looking for web-based image compression tools that work on both Mac and Windows, here are some reliable options:
1. TinyPNG
- Supports PNG and JPEG file formats.
- Offers drag-and-drop functionality.
- Automatically compresses images while retaining quality.
- Website: https://tinypng.com
2. Squoosh
- An open-source tool by Google with advanced compression settings.
- Allows adjusting quality, resizing, and file format conversion.
- Supports WebP, PNG, JPEG, AVIF, and more.
- Website: https://squoosh.app
3. CompressJPEG & CompressPNG
- Part of Image Compress by iLoveIMG.
- Compress multiple files at once.
- Supports JPEG, PNG, and GIF formats.
- Website: https://www.compressjpeg.com
4. Optimizilla
- Uses lossy compression to reduce file size while maintaining quality.
- Allows adjusting compression levels before downloading.
- Supports JPG and PNG formats.
- Website: https://imagecompressor.com
5. Kraken.io
- Offers lossless and lossy compression.
- Allows compressing and resizing images before downloading.
- Provides a Pro version for extra features like direct cloud storage.
- Website: https://kraken.io/web-interface
Summary
These web-based tools allow Mac and Windows users to compress images online without installing software. TinyPNG, Squoosh, and Kraken.io are among the best options for balancing image quality and file size.