Updated · how we check
BARC OCES/DGFS photo and signature size
The BARC OCES/DGFS form takes a photo of about 35 × 45 mm, 20 KB–50 KB and a signature of about 45 × 20 mm, 10 KB–20 KB, both as JPG/JPEG. It also takes a GATE score card (200 KB–300 KB).
BARC OCES/DGFS photo
JPG · 20-50 KB (20,480-50,000 bytes) · 35x45 mm at 300 DPI · white background
PixelFit aims between 20,480 and 50,000 bytes, so the file passes whether the form counts 1 KB as 1,000 or 1,024 bytes. 35x45 mm at 300 DPI is 413x531 pixels.
Fit, background and padding crop to fill · white background · padding off
Saving presets is part of Pro.
The result appears here: the exact byte count, pixel size and quality, the size before and after, a preview and a download button.
The batch kit (one ZIP for up to 500 photos, several photos merged into one PDF) is part of Pro.
BARC OCES/DGFS upload specifications
Values for the BARC OCES/DGFS 2026 Scientific Officer application, copied from BARC: Recruitment of Scientific Officers in the Department of Atomic Energy (OCES/DGFS brochure), checked 31 October 2026; "not stated" means the source gives no figure for it.
| Upload | Pixel size | Print size | File size | Format | Background |
|---|---|---|---|---|---|
| Photo | 413 × 531 px at 300 DPI (computed; the tool uses this) | 35 × 45 mm | 20 KB–50 KB | JPG/JPEG | not stated |
| Signature | 531 × 236 px at 300 DPI (computed; the tool uses this) | 45 × 20 mm | 10 KB–20 KB | JPG/JPEG | not stated |
| GATE score card | not stated | not stated | 200 KB–300 KB | PDF or JPG/JPEG | not stated |
BARC OCES/DGFS 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 BARC OCES/DGFS uploads at 200 and 300 DPI.
| Upload | Aspect ratio | Megapixels | At 200 DPI | At 300 DPI |
|---|---|---|---|---|
| Photo | 7:9 (print size) | 0.22 MP at 300 DPI | 276 × 354 px | 413 × 531 px |
| Signature | 9:4 (print size) | 0.13 MP at 300 DPI | 354 × 157 px | 531 × 236 px |
What the BARC OCES/DGFS KB limits mean in bytes
The BARC OCES/DGFS photo range of 20 KB–50 KB is 20,480 to 50,000 bytes if you want a file that passes whether the portal counts 1,000 or 1,024 bytes per KB: a window of 29,520 bytes to aim for.
The BARC OCES/DGFS signature range of 10 KB–20 KB is 10,240 to 20,000 bytes if you want a file that passes whether the portal counts 1,000 or 1,024 bytes per KB: a window of 9,760 bytes to aim for.
The BARC OCES/DGFS GATE score card range of 200 KB–300 KB is 204,800 to 300,000 bytes if you want a file that passes whether the portal counts 1,000 or 1,024 bytes per KB: a window of 95,200 bytes to aim for.
Estimated JPG file size for BARC OCES/DGFS 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.
| Upload | Pixel size used | Quality 60 | Quality 75 | Quality 85 | Quality 95 | Limit |
|---|---|---|---|---|---|---|
| Photo | 413 × 531 px | 24.4 KB | 31.2 KB | 41.2 KB | 72.2 KB | 20 KB–50 KB |
| Signature | 531 × 236 px | 8.5 KB | 11.7 KB | 16.6 KB | 32.0 KB | 10 KB–20 KB |
Will the BARC OCES/DGFS photo fit the limit?
For the BARC OCES/DGFS photo at 413 × 531 px (35 × 45 mm at 300 DPI), quality 88 (about 46.9 KB) is the highest setting that stays under 50 KB, and quality 85 (41.2 KB) clears the 20 KB minimum.
For the BARC OCES/DGFS signature at 531 × 236 px (45 × 20 mm at 300 DPI), quality 88 (about 19.3 KB) is the highest setting that stays under 20 KB, and quality 85 (16.6 KB) clears the 10 KB minimum.
BARC OCES/DGFS rejection checklist
Upload checks computed from the BARC OCES/DGFS 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 BARC OCES/DGFS photo file is no larger than 50 KB (50,000 bytes is safe under both KB definitions).
- Photo: The BARC OCES/DGFS photo file is at least 20 KB (20,480 bytes or more); files under the minimum are rejected even when they look sharp.
- Photo: Printed size is 35 × 45 mm.
- Signature: File type is JPG/JPEG (a PNG or HEIC renamed to .jpg is still rejected).
- Signature: The BARC OCES/DGFS signature file is no larger than 20 KB (20,000 bytes is safe under both KB definitions).
- Signature: The BARC OCES/DGFS signature file is at least 10 KB (10,240 bytes or more); files under the minimum are rejected even when they look sharp.
- Signature: Printed size is 45 × 20 mm.
- GATE score card: File type is PDF or JPG/JPEG.
- GATE score card: The BARC OCES/DGFS GATE score card file is no larger than 300 KB (300,000 bytes is safe under both KB definitions).
- GATE score card: The BARC OCES/DGFS GATE score card file is at least 200 KB (204,800 bytes or more); files under the minimum are rejected even when they look sharp.
How to resize your photo for BARC OCES/DGFS
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Take or scan the photo
Use a recent photo. Frame it in the 35 × 45 mm shape.
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Load the preset
Drop the file into the tool at the top of this page. The "BARC OCES/DGFS photo" preset is already set to 35 × 45 mm and 20 KB–50 KB, as JPG/JPEG.
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Check the result
Read the before and after sizes: the BARC OCES/DGFS 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.
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Switch to the signature
Pick the "BARC OCES/DGFS signature" preset, set to 45 × 20 mm 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.
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Upload and preview
Upload the files on the BARC OCES/DGFS form and check the preview before you submit; verify the figures with the official notice first.
What the BARC OCES/DGFS source also says
- Photo: The brochure writes the size as 4.5 x 3.5 cm.
- Signature: The brochure writes the size as 2 x 4.5 cm.
BARC OCES/DGFS compared with similar forms
Of these 5 forms, the BARC OCES/DGFS 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.
| Form | Photo size | Photo file size | Signature file size |
|---|---|---|---|
| BARC OCES/DGFS (this page) | 35 × 45 mm | 20 KB–50 KB | 10 KB–20 KB |
| RBI | 200 × 230 px (preferred) | 20 KB–50 KB | 10 KB–20 KB |
| BHU recruitment | no pixel size stated | at most 50 KB | at most 50 KB |
| India Post GDS | no pixel size stated | at most 50 KB | at most 20 KB |
| NHPC Trainee Engineer | no pixel size stated | at most 50 KB | at most 25 KB |
Where the BARC OCES/DGFS figures come from
Verify with the official BARC OCES/DGFS notice before you submit: forms change between application cycles and the check on the live portal is final.
Sources
- BARC: Recruitment of Scientific Officers in the Department of Atomic Energy (OCES/DGFS brochure), Bhabha Atomic Research Centre, Department of Atomic Energy, checked 31 October 2026: barc.gov.in/careers/barc_ts_OCES_DGFS_brochure.pdf
- Measured by PixelFit with sharp 0.35.5 / libvips 8.18.7 on 31 October 2026, interpolated to each BARC OCES/DGFS 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…
Frequently asked questions
What is the photo size for BARC OCES/DGFS in KB?
The BARC OCES/DGFS photo must be 20 KB–50 KB (keep it at or under 50,000 bytes to be safe), 35 × 45 mm, as JPG/JPEG.
What is the signature size for BARC OCES/DGFS?
The BARC OCES/DGFS signature must be 10 KB–20 KB, 45 × 20 mm, as JPG/JPEG.
How do I resize my photo to 50 KB for BARC OCES/DGFS?
Open the tool on this page with the BARC OCES/DGFS photo preset, drop the file and download the result: it searches JPG quality until the file is under 50 KB and over 20 KB; at 413 × 531 px expect about 41.2 KB at quality 85. Nothing is uploaded.
What pixel size should the BARC OCES/DGFS photo be?
35 × 45 mm. At 300 DPI that is 413 × 531 px; at 200 DPI 276 × 354 px.
Can I upload a PNG or PDF for the BARC OCES/DGFS photo?
Only JPG/JPEG; PNG, PDF, HEIC are not listed. The tool can turn a PNG, WebP or (in Safari) HEIC file into JPG while it resizes.
Related
Similar forms
- RBI photo and signature size 20 KB–50 KB
- BHU recruitment photo and signature size at most 50 KB
- India Post GDS photo and signature size at most 50 KB
- NHPC Trainee Engineer photo and signature size at most 50 KB
- Rajasthan HC Stenographer photo and signature size 10 KB–25 KB
- IBPS PO photo and signature size 20 KB–50 KB
Compress to the BARC OCES/DGFS limits
- Compress an image to 20–50 KB BARC OCES/DGFS photo
- Compress an image to 50 KB BARC OCES/DGFS photo limit 20 KB–50 KB
- Compress an image to 10–20 KB BARC OCES/DGFS signature
- Compress an image to 20 KB BARC OCES/DGFS signature limit 10 KB–20 KB
- Compress an image to 300 KB BARC OCES/DGFS GATE score card limit 200 KB–300 KB
Resize to the exact size
- Resize an image to 35×45 mm BARC OCES/DGFS photo
- Image resizer (any size and KB target)
Change the file format
- PNG to JPG BARC OCES/DGFS accepts JPG/JPEG
- WEBP to JPG BARC OCES/DGFS accepts JPG/JPEG
- HEIC to JPG BARC OCES/DGFS accepts JPG/JPEG