Image compressor
Shrinks image file size with an adjustable quality slider.
- Free
- No sign-up needed to try
- Runs in your browser
Sign in to use this tool
Image compressor is free once you're signed in — one quick account unlocks every tool on Alux Tools, no payment, ever.
How this works
Your image is drawn to a canvas and re-encoded at the quality you choose, entirely in the browser.
The image never leaves your device.
Frequently asked questions
Is the image compressor free?
Yes. Image compressor is free to use, with no software to install and no hidden fees.
Is my data uploaded anywhere?
No. This tool runs entirely in your browser, so what you enter or select never leaves your device.
Does it work on phones and tablets?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux.