Make photos and signatures 50 KB or smaller for online forms in one click. Free, private and works on your phone.
Drop images here or browseJPG, PNG, WebP, HEIC · up to 20 at once · output JPG
🔒 Processed in your browser — your files are never uploaded. Free, no sign-up, no watermark.
Quick answer: upload the image, leave the target at 50 KB and press Compress. You get a JPG that is 50 KB or less, with the best quality that fits. Works for photos, signatures and scanned documents.
| Upload type | Typical size limit | Tool |
|---|---|---|
| Signature | 10–20 KB | Compress to 20 KB |
| Photo | 20–50 KB | This page |
| Certificates / documents | 100–200 KB | Compress to 100 KB |
Upload it here with the target set to 50 KB and click Compress. If the photo is very large, the tool also reduces its dimensions until it fits.
Yes. Signatures compress very well. If your form asks for 10–20 KB, set the target to 20 KB.
Yes. You can add JPG, PNG, WebP and HEIC images. The output is always a JPG.
Yes. It is free with no sign-up, and your images are processed in your browser without being uploaded.