100% in your browser — files never uploaded
UPSC official requirements
Official signature requirements: JPG/JPEG, 20–100 KB, The source says 350-500 pixels without establishing width x height.
CoreTools working output
350×500 pixels is the editable CoreTools working default; fixed pixels are not official requirements.
Prepare the signature in your browser
Upload, crop and preview locally, then adjust the editable fields if the application portal shows different current instructions.
UPSC signature requirements
Official signature requirements: JPG/JPEG, 20–100 KB, The source says 350-500 pixels without establishing width x height.
Official requirement versus editable output
350×500 pixels is the editable CoreTools working default; fixed pixels are not official requirements.
Check before submitting
Review the application portal preview before submission and use the editable fields if your current notice shows a different instruction.
Tool family
Base tool: Signature Resizer for Exams
Frequently asked questions
What are the official UPSC signature requirements?
Official signature requirements: JPG/JPEG, 20–100 KB, The source says 350-500 pixels without establishing width x height.
Are the displayed pixels and DPI official?
350×500 pixels is the editable CoreTools working default; fixed pixels are not official requirements.
Which official source was checked?
Source: Union Public Service Commission, UPSC online portal instructions (accessed for 2026 applications); PDF pages 2 and 5, Photo and Signature upload instructions. Source checked 2026-08-21.
Is my signature uploaded to a server?
No. Cropping, resizing and compression all happen entirely in your browser — the file never leaves your device.
Can I resize a signature for a different exam here?
This page is locked to UPSC. Use the full Signature Resizer to pick any other exam preset.
Related tools
Signature Resizer for Exams
Exact KB + pixel targeting for every major exam portal — with a built-in UPSC triple-signature composer.
OpenPassport Size Photo Maker
Exam and country presets with exact DPI output.
OpenThumb Impression Resizer
Exact IBPS-spec output — crop, resize and compress your thumb impression without it ever leaving your device.
Open