01
Is the output always exactly the requested size?
Image compression is iterative, so the tool targets the closest practical result and labels whether it landed inside the tolerance window.
Exact Size CompressorAim For A Specific File Weight
Compress images toward a chosen KB or MB target locally and download the closest result with no uploads.
Frequently Asked Questions
Everything you need to know about the tool.
02
Do my images leave this device?
No. Uploading, compression attempts, and downloads all stay inside your browser.
Private & Secure
Processing happens 100% in your browser. Files are never uploaded to any server.
Blazing Fast
Powered by WebAssembly for near-native performance. No waiting for uploads.
No Install
Works on any device (Windows, Mac, Chromebook, Mobile) directly in Chrome/Edge/Firefox.