100% in your browser — files never uploaded
NDA 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.
Private browser processing
Cropping, resizing and compression run locally in your browser. Your image is not uploaded to TryCoreTools.
NDA 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 NDA 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 the file uploaded?
No. The file is processed in your browser and is not sent to TryCoreTools.
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.
OpenImage Resizer
Exact pixels, percentage scaling, or one-tap Instagram, YouTube and LinkedIn sizes.
Open