UPSC Signature Resize & Cropper (20 KB – 300 KB)
Precise 350×350 px square ratio with 20 KB to 300 KB file size limits compliant with UPSC Civil Services, NDA, CDS, and OTR registration. Applicable for UPSC Civil Services (IAS, IPS, IFS), NDA & NA, CDS, CMS, IES/ISS, CAPF, EPFO, UPSC OTR Registration.
Start with your image
JPG, PNG, WebP and browser-supported images · up to 15 MB
Square aspect ratio (min 350x350 px, max 1000x1000 px). Must be clearly legible on white background. • Ink: Black Ink Only
Choose Image or Drag & Drop Here
Supports JPG, PNG and WebP images up to 15 MB • 350 × 350 px (20–300 KB)
Real-Time UPSC Preview (350 × 350 px)Live Sync
Simulated UPSC output view with high-contrast ink sync.
📋 Union Public Service Commission (UPSC) Official Dimension & Upload Standards
| Specification Parameter | Mandatory Portal Value | Verification Rule |
|---|---|---|
| Pixel Width & Height | 350 × 350 px | Standard aspect ratio 1:1 Square (350×350 px) |
| Centimeter Physical Size | 3.5 cm × 3.5 cm | Based on 200 DPI scanning resolution |
| File Size Bounds | 20 KB to 300 KB | Recommended target ~50 KB |
| Mandatory Ink Requirement | Black Ballpoint Ink Only | Unruled white paper (no notebook lines) |
| Supported File Formats | JPG / JPEG | Baseline progressive JPEG without EXIF bloat |
🛡️ 4 Rules to Avoid Signature Rejection for Union Public Service Commission (UPSC)
- 1 Keep the aspect ratio set to 1:1 square; do not stretch or compress non-proportionately.
- 2 A file size between 40 KB and 80 KB ensures high sharpness while staying well within the 300 KB ceiling.
- 3 Avoid blurry phone photos or shadows; use good lighting and the Clean Paper filter.
- 4 Ensure the candidate name is spelled exactly as on the Matriculation certificate.
❓ Frequently Asked Questions (Union Public Service Commission (UPSC))
What is the required dimension for UPSC signature upload? ▼
UPSC requires signatures to have equal width and height (1:1 square ratio), with minimum dimensions of 350 × 350 pixels and maximum dimensions of 1000 × 1000 pixels.
What is the allowed file size for UPSC signature in 2026? ▼
The file size for UPSC signatures must be between 20 KB and 300 KB in JPG / JPEG format. SignResize automatically tunes your image to hit around 40–60 KB for optimal clarity.
Does UPSC accept blue ink signatures? ▼
UPSC guidelines mandate signing with black ink pen on clean white unruled paper to ensure high machine-readability during biometric document verification.
How to crop signature for UPSC OTR (One Time Registration)? ▼
Upload your photo, select the UPSC preset on SignResize, center the square crop box over your signature, and download the portal-compliant JPG.
📘 Union Public Service Commission (UPSC) Preparation & Upload Guides
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