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Prepare compact UKPSC photo and signature files
Both UKPSC uploads share a 150 px width, while the portrait uses twice the height and a larger file-size range.
150x200 UKPSC portrait
The Photo tab creates the candidate image at 150x200 px and targets 30-50 KB.
150x100 UKPSC signature
Signature keeps the same 150 px width but uses a 100 px height and targets 20-30 KB.
Small fixed canvases
The compact output sizes make source clarity important, especially for facial detail and fine signature strokes.
Shared width, different framing
Switching tabs changes the crop height while preserving the 150 px output width configured for both UKPSC files.
Separate compression targets
Photo and Signature have different KB ranges even though their widths match, so each tab applies its own limit.
Inspect at actual output size
Review the compact JPG after processing rather than relying only on a large source preview.
Prepare UKPSC images for upload
Resize the small portrait and signature independently and check readability at their final dimensions.
Choose the UKPSC document
Select the 150x200 portrait or 150x100 signature preset.
Frame the source tightly
Keep the important portrait or handwriting content visible and avoid excessive blank area around it.
Check the compact JPG
Resize, verify the active KB target and inspect the finished file at its actual size before submission.
Create UKPSC photo and signature JPGs
Prepare the two compact 150 px wide files with their separate heights and KB ranges.
UKPSC image size FAQ
Questions about the two compact 150 px wide image presets used on this page.
Photo uses 150x200 px and targets 30-50 KB.
Signature uses 150x100 px and targets 20-30 KB.
That is how the two configured presets are defined; the difference is mainly in height and file-size range.
A clear source is useful because the final output is small. The editor can reduce it to the fixed UKPSC dimensions while you control the crop.
A large browser preview can hide softness that becomes obvious once the portrait is only 150x200 px or the signature only 150x100 px.
Yes. Its configured target is 30-50 KB, while the signature uses the smaller 20-30 KB range.
No. Both remain 150 px wide; switching changes the height from 200 to 100 px and also changes the file-size target.
Use clean dark handwriting on a plain light background with minimal blur so the strokes survive reduction to 150x100 px.
Popular resize presets
Jump to the most commonly used image sizes for your projects