ISRO ICRB photo and signature size

ISRO ICRB upload specifications

Values for the ISRO Centralised Recruitment Board 2026 (Assistant, Junior Personal Assistant, UDC, Stenographer) online application, copied from ISRO ICRB: Advertisement No. ISRO:ICRB:01(A-JPA):2026 of 27 July 2026, instructions for uploading photo and signature, checked 31 October 2026; "not stated" means the source gives no figure for it.

ISRO ICRB sizes in pixels and millimetres

Print sizes become pixels at a resolution (pixels = mm ÷ 25.4 × DPI); pixel sizes become print sizes the other way round. Computed for the ISRO ICRB uploads at 200 and 300 DPI.

What the ISRO ICRB KB limits mean in bytes

Estimated JPG file size for ISRO ICRB uploads

Estimated from sizes measured with sharp 0.35.5 / libvips 8.18.7 on public-domain sample images (31 October 2026), interpolated to each target size. Your own scan can land 30-50% either side, which is why the tool measures the real file.

Will the ISRO ICRB photo fit the limit?

ISRO ICRB rejection checklist

Upload checks computed from the ISRO ICRB specification; a file that fails any one of them is usually refused at upload or flagged later.

• Photo: File type is JPG/JPEG (a PNG or HEIC renamed to .jpg is still rejected).
• Photo: The ISRO ICRB photo file is no larger than 50 KB (50,000 bytes is safe under both KB definitions).
• Photo: The ISRO ICRB photo file is at least 20 KB (20,480 bytes or more); files under the minimum are rejected even when they look sharp.
• Photo: Pixel size is 200 × 230 px (the preferred size; the hard checks are on file size).
• Signature: File type is JPG/JPEG (a PNG or HEIC renamed to .jpg is still rejected).
• Signature: The ISRO ICRB signature file is no larger than 20 KB (20,000 bytes is safe under both KB definitions).
• Signature: The ISRO ICRB signature file is at least 10 KB (10,240 bytes or more); files under the minimum are rejected even when they look sharp.
• Signature: Pixel size is 140 × 60 px (the preferred size; the hard checks are on file size).

How to resize your photo for ISRO ICRB

1. 1

   Take or scan the photo

   Use a recent colour photo. Frame it in the 35 × 45 mm shape.

2. 2

   Load the preset

   Drop the file into the tool at the top of this page. The "ISRO ICRB photo" preset is already set to 200 × 230 px (preferred) and 20 KB–50 KB, as JPG/JPEG.

3. 3

   Check the result

   Read the before and after sizes: the ISRO ICRB photo must end between 20,480 and 50,000 bytes. If it ends under 20 KB, open "Fit, background and padding" and tick the option to pad a file that ends up below the minimum. Download it.

4. 4

   Switch to the signature

   Pick the "ISRO ICRB signature" preset, set to 140 × 60 px (preferred) and 10 KB–20 KB as JPG/JPEG, and repeat with the signature file. If it ends under 10 KB, open "Fit, background and padding" and tick the option to pad a file that ends up below the minimum.

5. 5

   Upload and preview

   Upload the files on the ISRO ICRB form and check the preview before you submit; verify the figures with the official notice first.

What the ISRO ICRB source also says

• Another paragraph of the same notice asks for the photo and the signature in .jpg or .jpeg with a "Maximum Size of 50 Kb to 100 Kb"; the upload instructions give 20-50 KB and 10-20 KB. This page follows the upload instructions; if the live form rejects a file, check the notice for a corrigendum.
• Photo: A recent passport-style colour photograph, not older than 6 months.
• Signature: Not in capital letters; of appropriate size and clearly visible.

ISRO ICRB compared with similar forms

Of these 5 forms, the ISRO ICRB photo limit of 50 KB is the same for every form here that sets one; a file made for a stricter form usually passes a more generous one only if it also meets the minimum and the pixel size.

Where the ISRO ICRB figures come from

Sources

1. ISRO ICRB: Advertisement No. ISRO:ICRB:01(A-JPA):2026 of 27 July 2026, instructions for uploading photo and signature, ISRO Centralised Recruitment Board (ICRB), Department of Space, checked 31 October 2026: isro.gov.in/media_isro/pdf/recruitmentNotice/2026/July/Bi…
2. Measured by PixelFit with sharp 0.35.5 / libvips 8.18.7 on 31 October 2026, interpolated to each ISRO ICRB target size, on these samples: head-and-shoulders portrait, Pete Souza (Official White House photo), public domain: commons.wikimedia.org/wiki/File:President_Barack_Obama.jpg; handwritten letter with signature, Ulysses S. Grant (via DPLA), public domain: commons.wikimedia.org/wiki/File:Ulysses_S._Grant_letter_t…