Reduce image file size without sacrificing visible quality. Choose a quality level, upload your image, and download the result โ instant, browser-only, completely free.
Set quality, upload your image, and click Compress Image. Files never leave your browser.
quality=0.8 in the input box.0.7 (Balanced) is ideal for web images. Use 0.9 for print or archiving, 0.5 for email attachments, and 0.3 when maximum file size reduction is the priority.
At 0.7 or above, quality loss is imperceptible to the human eye on screen. Below 0.5 you may notice artefacts on fine detail and text.
Yes. It uses the browser's Canvas API which is fully supported on all modern mobile browsers including Safari on iOS and Chrome on Android.
Detailed tips on choosing quality levels and comparing before/after results.
Read the Compressor Guide โ