Signature Size for SSC, IBPS Exams (2026) - Complete Guide
Getting "signature rejected" or "size exceeded" errors? Learn exact signature requirements and how to compress your signature to 10-20KB easily.
📋 Signature Requirements by Exam
| Exam | Size | Format |
|---|---|---|
| SSC CGL/CHSL/MTS | 10KB - 20KB | JPG |
| IBPS PO/Clerk | 10KB - 20KB | JPG |
| SBI PO/Clerk | 10KB - 20KB | JPG |
| UPSC CSE | 10KB - 40KB | JPG |
| RRB NTPC | 10KB - 20KB | JPG |
✍️ How to Create Perfect Signature
Get a clean white paper
Use A4 or any plain white paper
Sign with black pen
Use dark black or dark blue ballpoint pen
Keep signature in a box
Sign inside a 4cm × 2cm imaginary box
Scan or photograph
Scan at 300 DPI or use good phone camera
Crop tightly
Crop image to show only signature, small margins
Compress to 10-20KB
Use our tool to compress to exact size
❌ Common Signature Mistakes
❌ Writing signature in ALL CAPS
Why rejected: Signature must be in cursive/normal handwriting, not block letters
✅ Fix: Write naturally as you would sign on documents
❌ Using colored pens
Why rejected: Only black or dark blue ink is accepted
✅ Fix: Sign with black ballpoint pen on white paper
❌ Signature too thick/thin
Why rejected: Cannot be read or verified
✅ Fix: Use medium thickness pen, sign at normal size
❌ Background not pure white
Why rejected: Off-white or colored paper causes rejection
✅ Fix: Use clean white paper, scan with good lighting
❌ Blurry or low-quality scan
Why rejected: Signature must be clearly readable
✅ Fix: Scan at 300 DPI or take photo with good camera
Compress Signature to 10-20KB
Use our free tool to compress your signature instantly
compressCompress Signature Now📱 Compress Signature on Mobile (1 Minute)
- 1. Open ReadyToSubmit.in on your phone
- 2. Go to Image Compressor tool
- 3. Select your signature image from gallery
- 4. Set target size to 15KB (safe for all exams)
- 5. Click Compress & Download
- 6. Use downloaded file for form upload