Updated 2026-09-15
Preparing Passport and ID Photos for Online Forms
Common dimension and file-size rules for identity documents, and how to crop and compress a photo so a portal accepts it on the first try.
Why identity photos get rejected
Identity photo rejections are rarely about file size alone. Portals check several properties at once, and they typically report only the first failure, which leads to a frustrating cycle of fixing one thing and immediately failing on another. Knowing the full set of rules before you start saves several rounds.
The checks usually cover pixel dimensions, file size in kilobytes, file format, the ratio of head height to total image height, background uniformity, and sometimes whether the face is centred and looking straight at the camera. Automated systems handle the measurable properties and reject anything outside tolerance without explanation.
Typical requirements
Specifications vary by country and by the individual authority, so always read the page for your specific application. That said, the values below cover the patterns you will encounter most often and are a reasonable starting point while you locate the official spec.
| Property | Typical requirement |
|---|---|
| Format | JPG, occasionally JPEG or PNG |
| File size | 20 KB to 100 KB, sometimes up to 300 KB |
| Pixel dimensions | Between 200 × 230 and 600 × 800 |
| Aspect ratio | Roughly 3:4 portrait, sometimes square |
| Head height | Around 60 to 70 percent of image height |
| Background | Plain white or light grey, evenly lit |
| Expression | Neutral, mouth closed, eyes open and visible |
| Signature image | Often separate, 10 to 20 KB, wider than tall |
Taking a usable photo at home
Most rejections trace back to the photo itself rather than the file handling. Getting the capture right makes the rest straightforward, and it takes a few minutes.
- Stand about half a metre in front of a plain, light-coloured wall with nothing on it.
- Face a window during the day so light falls evenly on your face, avoiding harsh shadows under the eyes and nose.
- Have someone else take the photo from roughly two metres away at your eye level, rather than using a selfie at arm's length, which distorts facial proportions.
- Look directly at the lens with a neutral expression, mouth closed, hair clear of your eyes, and no hat or tinted glasses.
- Take several frames so you have options, then pick the sharpest one.
Preparing the file
Once you have a good capture, the processing sequence matters. Crop before you resize, and resize before you compress; doing it in any other order costs quality unnecessarily.
- Crop to the required ratio with the Image Cropper, positioning the head so it occupies roughly two thirds of the frame height with a little space above.
- Resize to the specified pixel dimensions using the Image Resizer with aspect ratio locked.
- Compress to the stated cap using the Compress to 100 KB tool, or the general compressor for a different ceiling.
- Confirm the saved file size in your file manager, since some portals enforce the limit strictly.
- Open the file at full size and check that the face is sharp and the background looks clean before uploading.
A word on privacy
A passport photograph plus a signature scan is an unusually sensitive combination, and these are precisely the files people tend to run through the first free converter a search returns. Processing them in your browser means the image is not uploaded to an intermediary in order to be cropped or compressed.
It is also worth stripping metadata before submission. A camera original embeds a timestamp and often GPS coordinates, neither of which the authority needs and both of which you may prefer not to attach to an identity document.