Passport photo starting presets

Passport and visa requirements differ by application and can change. Check the official instructions for the exact service before choosing a canvas, format or file-size target.

Physical print size, pixel dimensions and file size are different measurements. A pixel canvas does not guarantee a particular printed size or resolution.

A suitable image also depends on framing, expression, background and other visual requirements. The resizer does not make that decision for you.

Specification failures cost candidates entire application cycles. The portal names neither the pixel size nor the byte window when it rejects a photograph, so the only reliable route is to produce a file that is unambiguously inside the spec before you start.

The numbers are recorded here with their source and revision date because boards change them between cycles. Where a specification is our transcription rather than an official figure, the page says so.

Keeping the specification out of the user's hands is deliberate: you should not need to know what a 1:1.29 aspect ratio is to apply for a job. The pipeline applies it and explains what it did afterwards.

This tool exists for images handled in a hurry: no queue, no account, no upload, and a result you can verify on the spot. The explanation below is the same one we would give a colleague who asked how it works.

Pixels, DPI metadata and physical print size are distinct. For example, 35 mm at 300 pixels per inch is approximately 413 pixels, but pixels alone cannot guarantee a printer produces a 35 mm image. If the instructions also require DPI metadata or a measured print, check those separately.

On a phone, memory is the real constraint rather than any size limit. A 12-megapixel photograph is about 36 MB once decoded into pixels, so compiling a batch of twenty and holding every result in memory at once will get a mobile browser killed well before it runs out of storage. Process batches of ten to fifteen on a phone; on a laptop the same job is unremarkable.

Accepted inputs are JPEG, PNG, WebP, AVIF, HEIC, GIF and BMP images up to 50 MB each. SVG, HTML and other script-bearing formats are refused outright rather than sanitised, because a file that can execute code has no business being re-encoded — and an upload field that accepts one is a security hole rather than a feature. The tool works on one file at a time, which keeps the result unambiguous.

The preset centre-crops the source to the selected aspect ratio, resizes it to a pixel canvas and attempts compression. It does not detect or measure the face, remove an opaque background, guarantee physical DPI or ensure acceptance. Inspect the result and consult the official authority. The pipeline is deterministic and ordered: decode while honouring the EXIF orientation tag, centre-crop to the mandated aspect ratio, resample to the exact pixel box with progressive halving to avoid aliasing, composite onto the required background colour so transparency never renders black, then search the encoder quality inside the byte window. Where a portal enforces a minimum size a clean signature cannot reach naturally, spec-legal inert bytes are added — a JPEG comment segment or a PNG text chunk, both of which decoders skip. Not one pixel is altered by that step. Photo presets fit the selected pixel box; signature presets preserve the whole mark with padding where needed. Transparent areas can be flattened onto white, but the tool does not remove an existing background. A byte window may be impossible, so check the result card and the official instructions.