Photo upload rejected? How to hit a 20 KB, 50 KB or 100 KB limit

Application portals, job sites and government forms often accept only small images. The rejection message is usually short, so it helps to know the handful of things a form can be checking and how to fix each one.

What the form may be checking

• File size: a maximum, and sometimes a minimum too, in KB or MB.
• Pixel dimensions: an exact width and height, or a range.
• Format: JPG or PNG. A file renamed from PNG to .jpg is still a PNG inside and may be rejected.
• Content: for photos, framing, background and face size.

Read the instructions for all of them before you start; fixing only the size and being rejected for the format is the common trap.

Step by step

1. Crop first. Cut the picture to the area that matters. Fewer pixels means a smaller file at the same quality.
2. Resize to the required pixels, if the form states them, with the image resizer.
3. Compress to the limit. Open the page for your limit: 20 KB, 50 KB or 100 KB. The tool finds the best quality that fits.
4. Check the result: size, pixel dimensions and that it looks clear when zoomed in.

If it will not get small enough

A very detailed picture at large dimensions cannot reach a tiny limit at good quality. Reduce the pixel dimensions, or use a plainer background; a face on a plain background compresses far better than a busy scene. Signatures on white paper compress very well.

If it is too small

Some forms set a minimum as well as a maximum. If the compressed file is under the minimum, compress to a higher limit, for example 100 KB instead of 50 KB, and check the result lands in the allowed range.

Keep your photos private

ID-style photos are sensitive. Many online compressors upload the file to a server. The tools here work in your browser, so the picture never leaves your device, and the saved file has its camera and location data removed.