UPSC Signature Resizer
Automatically resize your signature to the required 350x350 pixels and between 20KB-300KB for all UPSC forms.
UPSC Signature Resizer
Upload your signature photo, apply the automatic 350x350px preset, and download a clean, portal-compliant image. Processed completely in your browser for absolute privacy.
Resize UPSC Signature
Quick answer
Most online job and exam applications automatically reject signatures that exceed the KB limit or have wrong dimensions. Resizing ensures your file is accepted on the first attempt without rejection.
This tool runs directly in your web browser, ensuring your signature remains 100% private and is never uploaded to an external server.
Why use this resizer?
We built this to perfectly match UPSC Civil Services, NDA, and CDS requirements.
Exact Dimensions
Automatically sets the required minimum 350x350 pixels.
Targeted Compression
Ensures the file is perfectly sized between 20KB and 300KB.
No Server Uploads
Processed directly in your browser. Totally safe.
How to resize signature for UPSC
Use this tool when your signature image needs to match UPSC's specific 350x350px requirement.
Step 1 - Upload signature
Upload your signature photo or scanned image. Use bright lighting when taking the photo.
Step 2 - Apply UPSC preset
The tool automatically sets the minimum 350x350 px dimensions and a safe 50KB target size.
Step 3 - Download
Generate and download the resized signature. Verify it is clearly readable before uploading.
Safe & secure conversions
Security is vital when dealing with official signatures. This tool processes your images locally inside your web browser using the Canvas API. No document is sent to any external server.
- No Server Uploads: Your images never leave your device. All processing happens locally in your web browser.
- No Data Retention: We do not store, view, or save your documents in any form.
- No Login Needed: You can safely resize without creating an account or providing email.
Signature resizing tips
Important notes before downloading your signature.
Use Dark Ink
Ensure you sign with a black or dark blue pen for the best contrast.
Crop Before Resize
Crop extra white space around the signature before uploading to get a clean resize.
Correct Format
Ensure the signature is in JPG/JPEG format; most portals reject PNG or PDF files.
Frequently Asked Questions
Everything you need to know about UPSC signature requirements.
What is the official signature size for UPSC exams?
For UPSC (Civil Services, NDA, CDS), the scanned signature image must be between 20KB and 300KB in JPG/JPEG format. The dimensions must be a minimum of 350×350 pixels. The signature must be in black or dark blue ink on white paper.
How do I resize my signature to 350x350 pixels for UPSC?
To resize your signature: (1) Upload your signature photo to this resizer. (2) The UPSC preset of 350x350 px and 50KB will be automatically applied. (3) Adjust your format to JPG. (4) Download the resized file.
Why is my signature upload rejected by the UPSC portal?
Rejections usually happen because: (1) File size is above 300KB or below 20KB; (2) Wrong format (portals accept JPG/JPEG); (3) Resolution is below 350x350 pixels; (4) The signature is too blurry. Ensure your signature is signed with dark ink on plain white paper and resized correctly.
What are the official UPSC OTR signature specifications?
UPSC One Time Registration (OTR) requires signature images to be 350 × 350 pixels (minimum) to 1000 × 1000 pixels (maximum), in JPG format, between 20 KB and 300 KB.
Should UPSC signature be signed in black or blue ink?
UPSC guidelines mandate signing with black ink pen on clean white unruled paper for optimal optical character and stroke recognition.
Can I resize mobile camera photos of my signature for UPSC?
Yes, upload any photo taken on your smartphone. The tool will crop, whiten background, and resize to exact UPSC dimensions.
Conversion Step
Need help preparing this file?
If your photo, signature, PDF, or document is still not accepted on a portal, contact us. We can help prepare the final file online.
We do not ask for OTP, passwords, Aadhaar login, MPOnline login or any government portal credentials.