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CSIR NET Photo & Signature Size

The CSIR NET (NTA) portal requires a photo of 800×1000 px (max 200 KB, JPEG) and a signature of 800×300 px (max 30 KB). Use the three steps below to crop, resize, and compress both — entirely in your browser, nothing is uploaded.

Requirements change each exam cycle. Always verify from the official csirnet.nta.nic.in notification before submitting.

Photo Size
800×1000 px
Photo Max
10–200 KB
Signature Size
800×300 px
Sign KB
4–30 KB
Background: White background, 80% face visible (without mask) including ears
1

Crop, Resize & Compress Photo

Target: 800×1000 px · ≤ 200 KB · JPEG

Photo — 800×1000 px

Drop your photo, choose Crop (trims sides of a landscape selfie) or Fit (keeps full face with padding). The export bar is pre-set to JPG · 200 KB limit — click Export to crop and compress in one step.

Open full tool →
Target:×px

Drop an image to start

Or click to browse • 100% client-side

How it works

  1. 1Upload an image
  2. 2Choose target: ratio, exact size, or platform preset
  3. 3Pick fit mode: crop, fit, or stretch
  4. 4Export at full resolution
2

Crop & Compress Signature

Target: 800×300 px · 4–30 KB · JPEG

Signature — 800×300 px

Sign on plain white paper with black/blue ink. Photograph or scan it, then drop it here. Trim whitespace using Crop mode. Export compresses to 4–30 KB automatically. Keep it above 4 KB — portals reject files that are too small.

Target:×px

Drop an image to start

Or click to browse • 100% client-side

How it works

  1. 1Upload an image
  2. 2Choose target: ratio, exact size, or platform preset
  3. 3Pick fit mode: crop, fit, or stretch
  4. 4Export at full resolution

Official Requirements Summary

  • Matches standard NTA parameters; ensure no sunglasses or tinted spectacles are worn.
  • A physical copy of the exact same uploaded photograph must be brought to the exam center to paste on the attendance sheet.

Source: csirnet.nta.nic.in

Frequently Asked Questions

What is the photo size for CSIR NET?
The CSIR NET (NTA) portal requires a photo of 800×1000 pixels in JPG / JPEG format, with a maximum file size of 200 KB and a minimum of 10 KB. White background, 80% face visible (without mask) including ears.
What is the signature size for CSIR NET?
The CSIR NET signature upload requires an image of 800×300 pixels in JPG / JPEG format, with a file size between 4 KB and 30 KB. Sign on plain white paper with black or blue ink, scan or photograph it, then compress using the tool below.
My photo is a selfie in 16:9 landscape — how do I fix it for CSIR NET?
Open the Crop & Resize tool above. It is pre-loaded with the exact 800×1000 px target. Select "Crop" mode, which trims the wide sides and keeps only the centre portion. Export as JPG, then use the Compress tool to bring it under 200 KB.
How do I compress a photo under 200 KB for CSIR NET?
Use the Compress Photo section on this page. Set the target KB to 200 (keep it above 10 KB), choose JPG format, then click Compress. The tool binary-searches quality settings to get as close to your target as possible — all in your browser, nothing uploaded.
Does CSIR NET accept WebP or PNG photos?
No — NTA portals generally require JPG / JPEG. WebP is not accepted by most government exam portals. Always save your final upload as JPEG (.jpg) unless the current official notification specifies otherwise.
Any special rules I should know about CSIR NET photos?
Matches standard NTA parameters; ensure no sunglasses or tinted spectacles are worn.
What else should I know about the CSIR NET photo upload?
A physical copy of the exact same uploaded photograph must be brought to the exam center to paste on the attendance sheet.

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Last updated: 1 June 2026 · Data sourced from official NTA portals. Requirements may change — verify before submitting.