NDA Signature Resizer – UPSC National Defence Academy Form

UPSC conducts the NDA & NA examination for Army, Navy, and Air Force wings — and the online form rejects signatures that miss file-size or dimension rules. Use this NDA Signature Resizer to compress and crop your scan in the browser, then download a JPG ready for upsconline.gov.in without Photoshop.

UPSC NDA signature size and upload rules

What is an NDA signature resizer?

An NDA Signature Resizer prepares your handwritten signature for the UPSC National Defence Academy and Naval Academy examination application on upsconline.gov.in. Defence aspirants between 16½ and 19½ years often upload a phone photo that exceeds the portal KB cap or uses the wrong pixel ratio — this tool compresses and crops the file in your browser before you submit Part-I and Part-II of the form.

Processing stays on your device. No account, app install, or paid editor is required.


NDA signature requirements (UPSC)

UPSC NDA notifications typically ask for a scanned or digital signature in JPG/JPEG with readable ink on white paper. Exact KB and pixel limits can change each cycle — always open the active advertisement PDF before you lock settings. Patterns seen on recent UPSC defence forms include:

  • JPG or JPEG format (PNG often rejected)
  • File size within the min–max KB range stated in the notification
  • Fixed width × height in pixels (commonly 140×60 or similar)
  • Single signature only — no stamps or backgrounds
  • Same signature used later at the SSB centre if called

If the portal shows “signature upload failed,” the file — not your handwriting — is usually the problem.


How to resize signature for NDA online

  • Sign once on plain white paper with black or dark blue ink.
  • Scan or photograph under even light; avoid folded paper shadows.
  • Upload the image here (JPG, PNG, or WebP accepted as input).
  • Set KB target and dimensions to match the current NDA notification.
  • Crop excess margins so the signature is centred and legible.
  • Preview at full zoom — strokes must stay sharp after compression.
  • Download the output JPG and upload on the UPSC NDA application page.

NDA vs other defence exam signatures

NDA is a UPSC entry for Class 12 pass candidates aiming at Army, Navy, or Air Force training at Khadakwasla, Ezhimala, or other academies. CDS and CAPF use separate UPSC notifications with their own upload fields. Indian Air Force AFCAT has a different portal and size rules — do not reuse an NDA file without checking that form’s specs.

For a broader comparison of government exam signature limits, see our government exams guide linked below the tool.


Common NDA signature upload errors

Rejections on upsconline.gov.in often happen minutes before the deadline:

  • KB above or below the allowed band
  • Dimensions not matching the pixel box
  • Blurry photo from low light or camera shake
  • Wide white borders making the ink look tiny
  • PNG/WebP uploaded when only JPG is accepted
  • Over-compression turning strokes into grey smudges

Tips before NDA form submission

  • Use the same signature you will sign on SSB documents if selected.
  • Do not use a digital font signature — UPSC expects handwritten ink.
  • Keep an uncompressed original on your phone in case you need to re-export.
  • Complete signature upload in Part-I; do not wait until payment step.
  • Re-read the notification annexure for photograph + signature together.

NDA Signature Resizer — FAQ

What signature size does UPSC NDA require?

UPSC publishes exact KB and pixel values in each NDA notification. Use this resizer to match those numbers — common presets are 10–20 KB and 140×60 px, but verify the active advertisement before uploading.

Is NDA signature upload the same as UPSC CSE?

Both use UPSC online forms and usually expect JPG signatures, but KB limits and dimensions can differ between NDA and Civil Services. Resize separately for each examination.

Can I use one signature for NDA and AFCAT?

Only if both portals accept the same dimensions and file size. AFCAT runs on a different website with its own rules — check each notification.

Why does upsconline.gov.in reject my NDA signature?

Typical causes are wrong format, incorrect KB, bad dimensions, blur, or extra white space. Resizing and cropping here fixes most file-related rejections.

Is this NDA Signature Resizer free and private?

Yes. The tool is free, needs no login, and processes images in your browser without uploading them to a server.

Can I resize NDA signature on mobile before the deadline?

Yes. Open this page on Android or iPhone, upload, set KB and pixels, preview, and download — no app install needed.

Related tools

Resize or compress your signature, then upload again.