Compress Image Online
Shrink JPG, PNG, or WebP file sizes locally. Custom quality adjustments with instant downloads.
Drag & Drop Image Here
No File Size Limits — 100% Free & Private
Compression Settings
How does Client-Side Image Compression work?
This compressor works by loading your selected image into the browser's memory using HTML5 FileReaders. It then renders the image onto a virtual <canvas> element at the exact dimensions of the source file. When you adjust the quality slider, our Javascript re-encodes the canvas bitmap using native browser encoders (like jpeg/webp compression subroutines) or quantization routines. Since this entire pipeline executes directly on your processor, your image data is never uploaded to any remote server, giving you 100% data privacy.
Benefits of WebP/JPEG Optimization
- Web Page Speeds: Reducing image file sizes lowers the overall page weight, leading to faster paint benchmarks and higher Core Web Vitals rankings.
- Disk Space Conservation: Ideal for optimizing large photographic folders before compiling them to archives or clouds.
- Bandwidth Savings: Sending compressed JPG assets saves mobile data packages for your app visitors.