Official UPSC Specification Tool
UPSC Triple Signature Compositor
Stack 3 black-ink signatures vertically into one clean JPG file between 350×350 px and 500×500 px and 20KB–100KB, guaranteed ready for UPSC OTR, CSE, NDA & CDS.
Fine-Tune & Compliance Settings
400 × 400 px
185 / 255
Removes shadow and room lighting from phone photos, creating a clean white background.
18%
45 KB
Live Canvas Preview
signature.jpgUPSC Rule Verification:
Dimensions: 400×400 px Valid (350–500px)
File Size: Waiting...Invalid Size
Format: JPG (JPEG) Compliant
Background: Pure White Compliant
100% processed client-side in your browser. No files uploaded to any server.
Related Tools
UPSC Upload Pack & Guidance
Complete UPSC photo dimensions & examination guidelines.
Universal Form File Checker
Validate your photo and signature before final submission.
Signature Background Cleaner
Clean paper shadows and yellow tints from smartphone photos.
Increase Image Size in KB
Boost file size above 20KB without pixel distortion.
Frequently Asked Questions
UPSC requires candidates to provide three specimen signatures in a single vertical frame on admit cards and application records to verify running handwriting consistency and prevent identity fraud during examination hall attendance.
According to the official UPSC upload guidance, the signature image width and height must each be between 350 and 500 pixels (e.g. 400 × 400 px or 450 × 450 px), format must be JPG/JPEG, and file size must be strictly between 20 KB and 100 KB.
Our tool provides a 'Single Crop (Auto-3)' mode: upload your single signature, and it automatically stacks it three times vertically with natural spacing and creates the exact compliant 400×400 px file.
No. UPSC exam notifications specifically require candidate signatures in black ink on plain white paper. Avoid signatures written in capital/block letters.