Crop before you compress
Empty background costs bytes. Cropping tight on the subject leaves more of the size budget for the detail that matters.
25 KB gives a headshot slightly more breathing room than the 20 KB cap while still passing strict form checks. Drop your photo in below — the target is already set to 25 KB, and everything runs inside this browser tab, so the image never leaves your device.
Empty background costs bytes. Cropping tight on the subject leaves more of the size budget for the detail that matters.
Most forms cap both KB and pixels. Set the dimension preset here as well so a 25 KB file is not rejected for being the wrong shape.
PNG stores photos far less efficiently. Choosing JPG output often reaches the target with visibly better quality.
25 KB appears on banking recruitment forms and several university application systems, generally for a photograph rather than a signature.
A 240×320 px JPG lands near 25 KB at quality 65–75. If your portal specifies dimensions, use theirs; if it does not, smaller pixels at higher quality always beat larger pixels crushed to fit.
Converting a HEIC file from an iPhone with a generic converter first, then compressing. That double re-encode bakes in artefacts. Drop the HEIC straight onto this page instead — it is decoded once and compressed once.
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