UK passport photo size
A digital UK passport photo must be at least 600 pixels wide and 750 tall, and between 50KB and 10MB. Drop a photo here and it comes out at 600 by 750 with the file size in range. Nothing is uploaded, and the numbers come from GOV.UK.
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What the authority specifies
- Photo size
- 600 x 750 pixels
- Background
- plain light-coloured
- File size
- 50.0 KB to 10.00 MB
- Source
- www.gov.uk
- Read at the source on
Each size on this page was read at the issuing authority's own website, not copied from another converter or from a search result.
The page it came from and the date it was read are printed above, so you can check the same source in one click.
Why this size?
The digital and printed requirements are different, and confusing them is the common way an application gets held up.
A photo booth print is 45mm by 35mm; an online application wants pixels and a file size instead, and a photo that satisfies one does not automatically satisfy the other.

Where the pixel figure comes from
Passport offices publish millimetres, not pixels, because the photograph is printed. Turning millimetres into pixels needs a resolution, and most authorities do not name one.
This one does not, so the pixel figure above is 300 DPI, the resolution print shops work to. The millimetre measurement is the requirement; the pixel figure is our arithmetic on top of it.
That matters if you are uploading rather than printing.
An online form usually states its own pixel size or file size limit, and where an authority publishes one this page uses that instead of converting anything.
Check before you submit
Requirements change, and the only version that counts is the one on the authority's own page on the day you apply.
Every size here links to the page it came from and shows the date it was read. If that date looks old, spend a minute at the source before you print anything.

What happens to your photo?
Your selected photo is processed in your browser, without an image upload to a server. The page may download code and codecs needed for editing.
Save your result before closing the tab; unsaved edits are kept in memory rather than in an online account.
Common questions
What size does a UK passport photo have to be?
For an online application, GOV.UK asks for at least 600 pixels wide by 750 tall, in a file between 50KB and 10MB.
For a printed photo it asks for 45mm high by 35mm wide, with your head measuring between 29mm and 34mm from chin to crown.
My file is under 50KB. Is that a problem?
Yes, GOV.UK states a minimum as well as a maximum. A photo compressed below 50KB has usually lost enough detail to fail the check.
If yours comes out too small, raise the quality slider rather than the dimensions, and it will move back into range.
Can I use a photo from my phone?
GOV.UK does not require a photo booth. What it requires is a plain light-coloured background, a clear and focused image in colour, and no filters or editing.
A phone photo taken against a plain wall in even light generally satisfies all of that.
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