Image Compressor
Reduce image file size while preserving quality
Your files stay private
All processing happens directly in your browser using WebAssembly. Your files are never uploaded to any server and never leave your device.
Click, drag, or paste an image
JPG, PNG, WebP · Ctrl+V to paste
How to Use Image Compressor
- 1
Upload your image
- 2
Choose output format and quality
- 3
Click Compress
- 4
Download compressed image
Frequently Asked Questions
How much can I reduce the file size?
Depending on quality setting and format, you can reduce file size by 30–90%. JPEG and WebP give the best compression ratios.
Will the image look different?
At quality 70–80%, most people cannot see the difference. Lower settings may show visible compression artifacts.
Is PNG lossless?
Yes, PNG output is always lossless. For size reduction with PNG, converting to WebP or JPEG is more effective.
Features
- Quality slider for balance between size and clarity
- Compare original vs compressed side by side
- Supports JPG, PNG, WebP output
- All processing in browser — files stay private
- See exact file size reduction percentage
Supported Formats
Input
Output
JPG / PNG / WebPPrivacy First
All conversions happen in your browser. Nothing is uploaded to our servers. Your files remain completely private.