How to compress a JPG
- Drop your image into the box above or click to browse your files.
- Adjust the quality slider until you are happy with the size vs. quality balance.
- Click Download to save the compressed JPG to your computer.
Why compress with miniPhotoShop?
- 100% private — files are processed locally in your browser and never uploaded.
- Instant results — see the new file size and savings percentage in real time.
- No limits — compress as many images as you want, completely free.
- Works everywhere — Windows, Mac, Linux, Android, and iPhone.
Frequently Asked Questions
Is this JPG compressor really free?
Yes. There are no limits, no sign-up, and no watermarks on your downloads.
Are my photos uploaded to a server?
No. Compression happens entirely inside your browser using JavaScript. Your images never leave your device.
How much can I compress a JPG?
Most photos shrink by 50–90% at quality settings between 60 and 80, usually with no visible difference.
What quality setting should I use?
70–80% is ideal for websites and email. Use 85–95% if you plan to print the image or archive it.
Need more than compression?
Open the full miniPhotoShop editor to crop, resize, add filters, remove backgrounds, and much more. Try the vintage photo effect for timeless analog film looks, or read our guides on optimizing images for web loading speed and understanding image file formats.