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Some university and recruitment forms allow up to 50 KB for a signature image. A 3.5 × 1.5 cm crop on white usually fits after compression without looking muddy.
JPEG quality is binary-searched so the file lands as close as possible to the cap without going over. If quality alone is not enough, dimensions shrink in 15% steps and the search runs again. Signatures compress best as dark ink on white with little empty margin.
It does not forge a signature, remove a background with AI, or guarantee the portal’s aspect box. Use the signature resize tool if the form also names 3.5 × 1.5 cm.
Fileraz exam tools run in the browser.
That is the promise behind every tool here. Files are read in your browser tab, processed there, and discarded when you close it — never uploaded to our servers.
