Compress an image to 50 KB
A clear photo that fits a 50 KB limit. The target is already set: add your image, check it against the original and download.
Drop an image, or click to choose
JPG, PNG or WebP. Add several to compress them together.
Need several changes to one photo? The Photo editor does crop, text, filters and blur together.
How to compress an image to 50 KB
- Add your image. The target is already 50 KB, so the compressed copy appears next to the original as soon as the file opens.
- Compare before and after. Drag the divider across the picture to check faces and text. The file size shows under it.
- Download. Save the copy. If you added several images, they come as one zip.
How much picture fits in 50 KB
Enough for a clear face or a readable document photo at a modest size. In our tests a 600 × 800 pixel photo of a lake fitted at 70% quality, while a busy forest at the same size needed to drop to about 480 × 640. Below 50% quality JPG starts to show blocks in skies and skin, so for a sharp result the picture usually has to be no bigger than these sizes.
The tool searches for the highest quality that fits under 50 KB. Only if quality alone is not enough does it also reduce the width and height, so a photo that is already small keeps its exact pixel size.
| Pixel size | Smooth, 50% | Smooth, 70% | Detailed, 50% | Detailed, 70% |
|---|---|---|---|---|
| 480 × 640 | 24 KB, fits | 33 KB, fits | 39 KB, fits | 55 KB, too big |
| 600 × 800 | 34 KB, fits | 47 KB, fits | 57 KB, too big | 79 KB, too big |
| 750 × 1000 | 49 KB, fits | 67 KB, too big | 81 KB, too big | 112 KB, too big |
Measured in Chrome on 2 November 2026: two photos cropped to 3:4 and saved as JPG at 50% and 70% quality. Smooth is a lake photo that is half plain sky; detailed is a forest. Your photo will land somewhere near these.
Getting the clearest 50 KB photo
- Crop to the subject first. Every pixel of background you remove leaves more of the 50 KB for the face or the page.
- If the photo is very large, resize it to about 600 × 800 pixels before compressing. You choose the size instead of the tool.
- Keep the output as JPG for forms. WebP is smaller at the same quality but many upload forms only accept JPG or PNG.
- A photo of paper with text keeps its text readable longer if you raise the contrast first in the photo editor.
When the limit is a range
Forms that ask for “20 KB to 50 KB” want a file that is not too small either. Because the tool keeps as much quality as fits under 50 KB, most photos come out between roughly 40 and 50 KB, inside the range. If you need to sit lower, type a smaller number in the custom size box. For a strict 20 KB cap, use compress to 20 KB.
The full tool
This page opens Compress image with the target already set to 50 KB. Every other option is still there, so you can change your mind without leaving. For other jobs, see all image tools.
- Compress image to 20 KB: Get a photo or signature under 20 KB for an upload form.