Why compress JPG files?

JPG files from cameras and phones can be very large. Compressing them reduces file size for faster website loading, easier email sharing, and less storage space used.

How does JPG compression work?

JPG uses lossy compression — by adjusting the quality slider you control the trade-off between file size and visual quality. A quality of 80% typically reduces file size by 40-60% with minimal visible difference.

Tips for best results

For web images, 70-80% quality is usually sufficient. For print or archival purposes, use 90-95%. Combining quality reduction with resizing to your target display size gives the best results.

FAQ

Is the compression secure?

Absolutely. Your images are compressed directly in your browser and are never sent to any server.

How much can I reduce the file size?

Typical reductions range from 30% to 70% depending on the quality setting and whether you also resize the image.

Will I lose image quality?

JPG compression is lossy, but at 80% quality the difference is nearly imperceptible to the human eye.