Foto a Medida
Find the right official photo requirements
Start with the issuing authority and exact application route, not a generic photo size.
Identify the receiving authority
Write down the country issuing the document, the exact document name and the application route. A passport, national identity card, visa and residence permit are separate cases even when the same person applies for them. A consular application may also direct you to different submission instructions from a domestic appointment.
Search from the authority’s official website and follow its application guidance to the photo page. Save the address and date of consultation. A commercial guide can be a useful pointer, but it should not become the source of truth for dimensions, permitted editing or exceptions. If two pages seem inconsistent, ask the receiving authority which applies to your route.
Separate digital and printed routes
A digital application may ask for the original file, a particular upload format or a code supplied by a photo service. A printed route instead needs a physical photograph that can be measured. Do not assume that a small printable crop is the right file for an online form. Read the route-specific wording before modifying the original.
The UK digital passport guidance, for example, tells applicants using their own device not to crop the image because the service handles that step. This illustrates why a universal passport crop is a poor starting assumption. The useful first task is identifying the exact route, then following its instructions for the image you will submit.
Turn the instructions into a checklist
Create a short checklist with separate groups: recency and appearance, pose and background, image dimensions, and delivery requirements. Copy measurements carefully with their units and orientation. Width and height should not be inferred from a familiar thumbnail. Note any head-size or position requirements separately from the outer dimensions of the photograph.
Keep exceptions attached to their conditions. Rules for babies, medical needs, religious head coverings or glasses may differ by authority and document. Do not generalise an exception from another country. If your situation is not clearly covered, contact the receiving service before paying for prints or editing a photograph that may need to be taken again.
Use presets as a checked convenience
A named preset is useful only when it matches your verified requirement and route. Check its source, dimensions and any instructions about editing before applying it. A label such as passport or compliant does not itself establish acceptance. The authority makes that decision from the submitted photograph and the full application context.
Keep the source checklist with your original image and final output. If a requirement changes or an upload produces feedback, you can see which assumption needs revisiting. Avoid repeatedly editing a reduced copy. Returning to the original gives you a better chance of preparing a new output that follows the correct instructions.
Sources
Your document-photo preparation checklist and requirements to verify
Prepare my document photo →Related guides
Take a source photo that needs fewer corrections →
Check a document photo file and its printed size →