Image Compressor
Compress JPG, PNG, and WebP images directly in your browser.
Your image never leaves your device.
Tool
Why Dockzio?
Simple tools that respect your time and your privacy.
Free and instant
No subscriptions, no paywalls, no waiting.
No sign-up required
Open a tool and get to work immediately.
Private by design
Processing happens locally in your browser whenever possible.
Beautifully built
Clean, fast interfaces designed for everyday productivity.
FAQ
Quick answers to common questions.
No. Your images never leave your device. Everything is processed locally in your browser.
JPG and WebP use lossy compression, so lower quality settings can reduce detail while creating smaller files. PNG is lossless, so quality settings do not apply the same way.
WebP often produces the smallest files for photos. JPG is a strong default for photos without transparency. PNG is best when you need lossless quality or transparency, but it may not shrink as much.
Yes. You can upload PNG files, but because PNG is lossless, size reductions may be limited unless you export as JPG or WebP.
Yes. Dockzio Image Compressor is free to use with no account required.