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Technical Guide

Passport Photo Size Guide: India, US, UK & Visa Photo Dimensions

2026-08-26•8 min read

Passport photo rules look similar everywhere until you actually apply — then the millimetres stop matching. India wants 35 x 45 mm, the United States insists on 2 x 2 inches, the UK runs everything through a digital checker, and online visa portals add file-size caps on top of it all. This guide lines the main standards up side by side and shows how to produce a compliant photo at home with just a phone.

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India: 35 x 45 mm

Indian passports and most government forms follow the 35 x 45 mm standard — the same proportion you have stuck on a dozen application forms. Your face, chin to crown, should span roughly three-quarters of the photo height, on a plain white or very light background, printed in colour on glossy paper.

For online applications the practical trick is thinking in pixels: at typical print resolution, 35 x 45 mm translates to approximately 413 x 531 pixels. Keep the master file larger than that and scale down when needed — enlarging a small image is what makes photos look soft.

When you need a print-ready result quickly, the Passport Photo Maker India crops your picture to this size and lays it out ready to submit or print.

Use Passport Photo Maker India

The United States: 2 x 2 Inches

US passport photos measure exactly 2 x 2 inches (51 x 51 mm), with the head between 1 and 1⅜ inches from chin to crown. The background must be plain white or off-white, and glasses are not allowed anymore — even prescription ones.

The square proportion catches out anyone who has only ever shot 35 x 45 mm photos; the American version is noticeably wider. Crop from a fresh photo rather than trimming down an Indian-format print, because forcing a rectangle into a square cuts off either the head or the shoulders.

The United Kingdom: 35 x 45 mm With Strict Digital Checks

UK passport photos share India’s 35 x 45 mm dimensions, but the process leans heavily on an automated digital photo checker that measures head height and eye position. Photos failing that check are rejected before a human ever sees them, so precision matters more than aesthetics here.

Plain light-grey or white background, neutral expression, mouth closed, nothing covering the face. If your photo keeps failing the online checker, the culprit is almost always head height sitting a few millimetres outside the accepted range — recrop rather than retake.

Digital Upload Limits for Online Visa Applications

Paper photos matter less every year; most visa applications now want a digital file, and those come with byte-level ceilings. The US diversity visa programme famously caps uploads at 240 KB, and several other portals set limits in the same ballpark — anywhere from 100 KB to a few hundred KB depending on the system.

Two moves cover nearly every case
resize to the pixel dimensions listed in the application guide using the Image Resizer, then run the result through the Image Compressor if the file still exceeds the cap. Work from the original photo each time, not from an already-compressed copy, or compression artifacts start piling up.
Use Image ResizerUse Image Compressor

Taking and Cropping a Compliant Photo at Home

Stand about half a metre in front of a plain wall with daylight falling on your face — window light beats ceiling bulbs, which cast nose shadows. Hold the phone at eye level, arm’s length or propped against something steady, no smiling, hair off the forehead. Take several shots; even studio photographers rarely nail it first try.

Upload the best one to the Passport Photo Maker, crop to your country’s proportions, and check that your eyes land roughly two-thirds up the frame. Processing happens locally in your browser, so the photo stays on your device throughout.

Use Passport Photo Maker India

Printing Tips That Save a Second Trip

Print at 300 DPI or better on glossy photo paper — ordinary office paper absorbs ink unevenly and dulls skin tones. Lay out multiple copies on one 4 x 6 inch sheet; most photo shops charge the same regardless of how many copies fit on it.

One quiet warning
home-printed photos fade faster than lab prints. If the document will be checked years from now, paying a photo studio for the final print is cheap insurance after you have already done the hard part yourself.

Before printing, confirm the output dimensions with the Image Resizer so the millimetres on paper match what the form demands — printers silently shrink or stretch images more often than people expect.

Use Image Resizer

Frequently Asked Questions

Is the Indian passport photo size the same as the UK’s?

Yes — both use 35 x 45 mm, so one printed photo physically fits either application. The difference is procedural: the UK runs submissions through an automated digital checker with strict head-height measurements, so crop accuracy matters more there than for most Indian paper applications.

How large can a digital passport photo file be?

It depends entirely on the portal. Some accept files up to a few megabytes; stricter systems — the US diversity visa being the best-known example — cap uploads around 240 KB. Check the technical requirements page of your specific application before resizing.

Can I really take an acceptable passport photo with my phone?

Modern phones are easily sharp enough. What decides acceptance is the setup: plain background, even daylight, neutral expression and a correct crop. Official services increasingly care about measurements, not whether a studio pressed the shutter.

Why does my photo look blurry after shrinking it for upload?

Usually because a small source image was enlarged first and compressed afterwards, multiplying artifacts. Start from the sharpest original you have, resize downward to the required pixels in one step, and compress once — repeatedly re-saving the same file is what ruins detail.

Recommended Tools

Passport Photo Maker India

Create passport-style photos for Indian forms and documents with crop, resize, and compression controls.

Open tool

Image Resizer

Resize images with custom dimensions and aspect ratios. Fast, 100% private client-side processing with zero file uploads and no registration required.

Open tool

Image Compressor

Compress images online for free without losing quality. Reduce file size of JPG, PNG, and WebP images instantly. Secure, browser-based processing.

Open tool
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