How to Resize Your Photo and Signature for an Online Form
Make your photo 200×230 px (20–50KB) and signature 140×60 px (10–20KB) for exam and job forms, with a clean white background. Free, on phone or PC.
Recruitment and admission forms usually reject uploads for one of three reasons: the wrong pixel size, a file outside the allowed KB range, or a signature on grey, shadowy paper. Here's how to get all three right in a couple of minutes.
Common requirements
| Document | Size | File size |
|---|---|---|
| Photo | 200 × 230 px | 20–50 KB |
| Signature | 140 × 60 px | 10–20 KB |
| Left thumb impression | 240 × 240 px | 20–50 KB |
| Handwritten declaration | 800 × 400 px | 50–100 KB |
| Photo "3.5 × 4.5 cm" | 276 × 354 px at 200 DPI | 20–50 KB |
Always check your own notification: requirements differ between organisations and change from year to year. The exam photo and signature resizer has a custom option for any other size.
1. Take good photos
- Photo: stand in front of a plain light wall, face the camera in daylight, no cap or dark glasses.
- Signature: sign on plain white paper with a black or dark blue pen, then photograph it from directly above without your shadow on the page.
2. Crop close
Crop the signature to just around the ink and the photo to head and shoulders with Crop image. The resizer crops to the centre automatically, but a close crop gives you control.
3. Resize to the exact size and KB range
- Open the signature resizer or the photo resizer.
- Add the image. The right preset is already selected.
- Download the JPG. The note confirms the pixel size and that the file is inside the KB range.
The signature tool also turns grey paper pure white and darkens the ink, so the signature reads clearly at small sizes.
If the portal still rejects it
- Check the format: most portals want JPG/JPEG, not PNG or HEIC. The resizers always save JPG.
- Some portals check the DPI as well: the presets save 200 DPI, the usual requirement.
- Try another browser if the upload button does nothing: some government sites only work properly in Chrome or Edge.