Compress a JPG online — smaller photos, free
Shrink JPEG photos with an adjustable quality slider and watch the savings live. Perfect for faster websites, email attachments and uploads.
How to compress a JPG
- Drop your JPG into the upload box, or click to browse.
- Drag the quality slider to shrink the JPEG while keeping it sharp.
- Click Process — everything runs instantly in your browser, with nothing uploaded.
- Preview the result and download it — or send it straight to another JustGIF tool to keep editing.
Features
- Adjustable quality slider
- See the size savings live
- Runs locally in your browser — your files never leave your device
- 100% free: no sign-up, no watermark, no file-count limit
- Works on any device — Windows, Mac, Linux, Android and iPhone
Frequently asked questions
How small can a JPG get?
Often 50–80% smaller with little visible difference.
Is JPG Compress free to use?
Yes. JPG Compress is completely free with no account, no watermark, and no limit on how many files you can process.
Do my files get uploaded to a server?
No. JustGIF processes everything locally in your browser, so your files stay private on your device and nothing is uploaded.
Does it work on my phone?
Yes — JustGIF runs in any modern browser, including Chrome and Safari on phones and tablets, with no app to install.