Updated 31 October 2026 · how we check

UPSC photo and signature size

The UPSC form takes a photo of 350 × 350 to 1,000 × 1,000 px, 20 KB–300 KB and a signature of 350 × 350 to 1,000 × 1,000 px, 20 KB–300 KB, both as JPG/JPEG. It also takes a photo identity card (20 KB–300 KB).

UPSC photo

JPG · 20-300 KB (20,480-300,000 bytes) · 350x350 px · white background

PixelFit aims between 20,480 and 300,000 bytes, so the file passes whether the form counts 1 KB as 1,000 or 1,024 bytes.

What are you uploading?

UPSC photo UPSC signature UPSC photo identity card

Choose photos or drop them here JPG, PNG, WebP, GIF, BMP, AVIF or SVG, and HEIC where the browser opens it. You can also paste. Nothing is uploaded.

Max size (KB)

Min size (KB)

Format

Width

Height

Unit

DPI

Fit, background and padding crop to fill · white background · padding off

Fit to the size

Background

PDF page

If the file ends up below the minimum, pad it with an invisible JPEG comment block (the picture is not changed).

Saving presets is part of Pro.

Pick a photo to fit it to 20-300 KB (20,480-300,000 bytes).

The result appears here: the exact byte count, pixel size and quality, the size before and after, a preview and a download button.

UPSC upload specifications

Values for the UPSC online application (OTR) photo and signature, copied from UPSC Online (OTR) frequently asked questions, checked 31 October 2026; "not stated" means the source gives no figure for it.

Upload	Pixel size	Print size	File size	Format	Background
Photo	350 × 350 to 1,000 × 1,000 px	not stated	20 KB–300 KB	JPG/JPEG	not stated
Signature	350 × 350 to 1,000 × 1,000 px	not stated	20 KB–300 KB	JPG/JPEG	white paper
Photo identity card	not stated	not stated	20 KB–300 KB	PDF	not stated

UPSC 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 UPSC uploads at 200 and 300 DPI.

Upload	Aspect ratio	Megapixels	At 200 DPI	At 300 DPI
Photo	1.00 (W/H at both limits)	0.12–1.00 MP	44.5–127 mm wide	29.6–84.7 mm wide
Signature	1.00 (W/H at both limits)	0.12–1.00 MP	44.5–127 mm wide	29.6–84.7 mm wide

What the UPSC KB limits mean in bytes

The UPSC photo range of 20 KB–300 KB is 20,480 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 279,520 bytes to aim for.

The UPSC signature range of 20 KB–300 KB is 20,480 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 279,520 bytes to aim for.

The UPSC photo identity card range of 20 KB–300 KB is 20,480 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 279,520 bytes to aim for.

Estimated JPG file size for UPSC 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	350 × 350 px	16.0 KB	20.4 KB	26.5 KB	45.7 KB	20 KB–300 KB
Signature	350 × 350 px	8.3 KB	11.5 KB	16.2 KB	31.4 KB	20 KB–300 KB

Will the UPSC photo fit the limit?

For the UPSC photo at 350 × 350 px, even quality 95, the highest setting estimated here, stays under 300 KB at about 45.7 KB, and quality 85 (26.5 KB) clears the 20 KB minimum.

For the UPSC signature at 350 × 350 px, even quality 95, the highest setting estimated here, stays under 300 KB at about 31.4 KB, and quality 85 (16.2 KB) misses the 20 KB minimum.

UPSC rejection checklist

Upload checks computed from the UPSC 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 UPSC photo file is no larger than 300 KB (300,000 bytes is safe under both KB definitions).
Photo: The UPSC 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 350 × 350 to 1,000 × 1,000 px (the smallest and largest sizes accepted).
Signature: File type is JPG/JPEG (a PNG or HEIC renamed to .jpg is still rejected).
Signature: The UPSC signature file is no larger than 300 KB (300,000 bytes is safe under both KB definitions).
Signature: The UPSC signature file is at least 20 KB (20,480 bytes or more); files under the minimum are rejected even when they look sharp.
Signature: Pixel size is 350 × 350 to 1,000 × 1,000 px (the smallest and largest sizes accepted).
Signature: Background: white paper.

How to resize your photo for UPSC

Take or scan the photo

Use a recent photo.
Load the preset

Drop the file into the tool at the top of this page. The "UPSC photo" preset is already set to 350 × 350 px (the form accepts 350 × 350 to 1,000 × 1,000 px) and 20 KB–300 KB, as JPG/JPEG.
Check the result

Read the before and after sizes: the UPSC photo must end between 20,480 and 300,000 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.
Switch to the signature

Pick the "UPSC signature" preset, set to 350 × 350 px (the form accepts 350 × 350 to 1,000 × 1,000 px) and 20 KB–300 KB as JPG/JPEG, and repeat with the signature file. 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.
Upload and preview

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

What the UPSC source also says

Individual examination notices can set tighter limits than the portal FAQ; read the notice of your examination too.
Signature: Signed preferably with a black ink pen.

UPSC compared with similar forms

Of these 5 forms, the UPSC photo limit of 300 KB is number 4 of 5 from the strictest; 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
UPSC (this page)	350 × 350 to 1,000 × 1,000 px	20 KB–300 KB	20 KB–300 KB
GATE	200 × 260 to 530 × 690 px	5 KB–600 KB	3 KB–300 KB
CTET	35 × 45 mm	10 KB–100 KB	3 KB–30 KB
NBEMS	no pixel size stated	at most 80 KB	at most 80 KB
IBPS PO	200 × 230 px (preferred)	20 KB–50 KB	10 KB–20 KB

Where the UPSC figures come from

This page covers UPSC One Time Registration and examination applications on upsconline.

Verify with the official UPSC notice before you submit: forms change between application cycles and the check on the live portal is final.

Sources

UPSC Online (OTR) frequently asked questions, Union Public Service Commission (UPSC), checked 31 October 2026: upsconline.gov.in/upsc/OTRP/candidate/faq.php
Measured by PixelFit with sharp 0.35.5 / libvips 8.18.7 on 31 October 2026, interpolated to each UPSC 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 UPSC in KB?

The UPSC photo must be 20 KB–300 KB (keep it at or under 300,000 bytes to be safe), 350 × 350 to 1,000 × 1,000 px, as JPG/JPEG.

What is the signature size for UPSC?

The UPSC signature must be 20 KB–300 KB, 350 × 350 to 1,000 × 1,000 px, as JPG/JPEG on white paper.

How do I resize my photo to 300 KB for UPSC?

Open the tool on this page with the UPSC photo preset, drop the file and download the result: it searches JPG quality until the file is under 300 KB and over 20 KB; at 350 × 350 px expect about 26.5 KB at quality 85. Nothing is uploaded.

What pixel size should the UPSC photo be?

350 × 350 to 1,000 × 1,000 px.

Can I upload a PNG or PDF for the UPSC 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.

Change the file format

PNG to JPG UPSC accepts JPG/JPEG
WEBP to JPG UPSC accepts JPG/JPEG
HEIC to JPG UPSC accepts JPG/JPEG

Index

Form photo sizes: index page 1 of 2