Signature Under 30KB
Prepare a signature image for strict exam and portal uploads with editable KB ranges, safe JPG export, and pass/fail checks.
Choose workflow
Use one-off form rules or process photo and signature together.
Signature
Emergency shortcuts
Pick the nearest rule, add the image, and export a safe JPG.
Drop form upload images here
Check the current file, then export a JPG with the selected KB range, dimensions, clean metadata, and safe filename.
Use the file picker or drag image files onto this area.
Preset library
Search exam, passport, visa, and emergency starting points. Edit the numbers for your form.
0 of 0 exported
Presets are editable starting points, not official rule guarantees.
JPG, clean metadata, lowercase filename
Built for portals that reject modern formats, HEIC phone photos, or unusual filenames.
Smart export tries quality first, then dimensions when the selected rule allows it.
Choose exact only when the portal lists exact pixels.
Pack mode uses photo.jpg and signature.jpg.
Use only when a minimum KB rule is hard to reach.
ID photo guide
Use the guide to frame headroom, face center, shoulders, and background before exporting.
Validator
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- Best for
- Signature uploads that need a small JPG, often with limits like 4-30KB or 10-20KB.
- Export
- Safe JPG named signature.jpg in photo + signature pack mode.
- Validation
- Checks minimum KB and maximum KB so the file is not accidentally too small.
Before you upload
Check the current portal instructions before submission.
Use the validator after export, not only before export.
Refresh the destination portal if a passing file still fails.
Keep a copy of the original image until the form is submitted.