Prompt
bulk image optimization tool
Latest observation
Oct 13, 2026
OpenAI APIWeb search: off
If you want a bulk image optimization tool, here are solid options depending on your needs:
Desktop apps
- XnConvert — batch resize/compress/convert, Windows/macOS/Linux
- ImageOptim — great for Mac bulk optimization
- RIOT (Windows) — simple batch compression for JPEG/PNG
- FastStone Photo Resizer — batch resize + convert + rename
Command line / automation
- ImageMagick — powerful batch processing
- jpegoptim — lossless JPEG optimization
- pngquant — lossy PNG compression with good size savings
- oxipng — lossless PNG optimization
- cwebp / avifenc — convert to WebP/AVIF
Web-based
- TinyPNG/TinyJPG
- Squoosh
- Compressor.io
Best choice by goal
- Fast drag-and-drop bulk use: XnConvert
- Best Mac simplicity: ImageOptim
- Best automation: ImageMagick + pngquant/jpegoptim
- Best modern web output: convert to WebP or AVIF
If you want, I can recommend:
- a free Windows tool,
- a Mac tool, or
- a command-line batch script for folders of images.