Free · runs in your browser
Shrink a photo's file size for an email attachment or upload limit, without changing its dimensions.
Upload a photo to begin.
Everything happens in your browser — your photo is never uploaded to a server.
Use the quality slider when you just want a smaller file and don't have an exact limit — 80–85% quality is usually a good balance. Use the target file size field when a form or website gives you a hard limit in KB; the tool will find the best quality that still fits.
Photos with a lot of fine detail or noise compress less than simple, evenly lit images — if you need a very small file size, a cleaner source photo helps more than pushing quality lower.
No — this tool keeps the width and height exactly as they are and only reduces file size by adjusting compression quality. Use the Photo Resizer if you also want to change dimensions.
It depends on the source image, but most photos can be compressed significantly with little visible quality loss. Very aggressive compression will start to show blocky artifacts, especially around sharp edges.
A JPG file, which compresses photographic images far more efficiently than PNG.