Compress Images Online for Free
Shrink JPG, PNG, and WebP images by up to 90% with ToolMint. Adjust the quality slider, set a maximum width, and choose the output format — all processing runs locally in your browser so your photos stay private.
SmallestBest quality
🖼️
Drop images here or click to browse
JPG, PNG, WebP — up to 50 MB each • Max 25 images
⚡
Lightning Fast
Compression runs locally in your browser — no upload, no server.
🎯
Fine Control
Adjust quality, max width, and output format to hit your target size.
🔒
100% Private
Images never leave your device. Nothing is stored or sent anywhere.
How to Compress an Image
1
Upload images
Drag & drop or select JPG, PNG, or WebP files to compress.
2
Adjust settings
Set the quality slider, maximum width, and output format.
3
Preview results
Compare original and compressed sizes to see the savings.
4
Download
Save the compressed images individually or as a ZIP.
Frequently Asked Questions
- How much can I reduce the file size?
- Depending on the image and quality setting, you can reduce file sizes by up to 90% with minimal visible quality loss.
- Which image formats are supported?
- You can compress JPG, PNG, and WebP images. You can also convert between these formats during compression.
- Does compression lower image quality?
- Lossy compression reduces some detail, but at moderate quality settings (60-80%) the difference is virtually invisible. Use the quality slider to find the right balance.
- Can I compress multiple images at once?
- Yes. Upload a batch of images and compress them all with the same settings. Download individually or as a ZIP archive.
- Is my data private?
- Yes. All compression runs in your browser. Your images are never uploaded to any server.