Local batch compression

Online Image Compressor

Upload multiple images with gallery-style previews.
Adjust compression quality per image and download all results as a ZIP.
All processing runs locally in your browser.

JPG / PNG / WebP Per-image quality ZIP download
Click to upload or drag images here
Supports multiple files · JPG · PNG · WebP
70%
Original total
Compressed total
Saved
Original image Hold to compare
Original image
Compressed
Compressed

Online Image Compressor - Free and private browser compression

Use this free online image compressor to reduce JPG, PNG, and WebP file sizes directly in your browser. You can batch upload images, compare the original and compressed results, tune quality per file, and download everything as a ZIP. Images are processed locally and are not uploaded to a server.

Quick Answer

ImageTools is a free online image processing toolbox for compression, format conversion, cropping, resizing, watermarking, collage creation, image splitting, and ID photo background editing. Most image operations run locally in the browser without uploading images to a server, which makes the tools suitable for upload preparation, office work, social media publishing, website optimization, and privacy-sensitive image edits.

How to use

  1. Upload one or more JPG, PNG, or WebP images.
  2. Adjust the global quality slider or set quality for individual images.
  3. Preview the original and compressed versions.
  4. Download all compressed images as a ZIP file.

Key features

Privacy

Processing runs in your browser whenever possible. Your images are not uploaded to a server by this page. Performance depends on your device and browser capabilities.

FAQ

Is this tool free? Yes. It is free to use and does not require registration.

Are images uploaded? No. The tool processes images locally in your browser.

Can I use large images? Yes, but very large files may take longer depending on your device memory and browser.