Reduce image file sizes right in your browser. Adjust the quality and maximum dimensions, compare original vs compressed size, and download the optimised image — your files never leave your device.
You might also need
Tool health
Privacy first, always
Sponsored
Reduce image file sizes right in your browser. Adjust the quality and maximum dimensions, compare original vs compressed size, and download the optimised image — your files never leave your device.
Whether you're a professional or just need a quick result, the Image Compressor gives you a fast, reliable image tool that works instantly in your browser. There's no software to install and nothing to sign up for — open the page, get your result and move on. Because everything runs on your own device, it's private by default and available whenever you need it.
The Image Compressor is part of TechToolsCenter — a free, privacy-first collection of 126+ online tools. Everything runs 100% in your browser, so your data stays private and results are instant.
Input
Output
Formats
Add an image from your device. It's processed locally using your browser's canvas — never uploaded.
Crop, resize, convert or adjust with the controls. The preview updates in real time.
Inspect the result at full quality and fine-tune the settings until you're happy.
Export the finished image in your chosen format. No watermarks, no limits, fully private.
Tips
Common mistakes
Best practices
Input
Image upload — e.g. image compressor
Output
Image download, generated instantly in your browser
No. Compression happens entirely in your browser using the canvas API. Your images never leave your device.
It's free, private and works instantly — no sign-up required.
Sponsored