Compress image

Shrink JPEG or WebP file size with a live quality slider and before/after byte comparison.

Direct answer

Compress high-resolution photos into lightweight JPEG or WebP files locally in your browser while previewing the exact KB/MB size reduction.

How it's calculated

  1. Select an image.
  2. Choose JPEG or WebP and adjust the quality slider (10%–100%).
  3. Compare original vs. compressed size and download.

Frequently asked questions

What quality setting gives the best size-to-sharpness ratio?
75% to 85% quality in WebP or JPEG typically reduces file size by 60–80% with negligible visual difference.