100KB Extension v1.1.1: Compress & resize files in 0ms directly in Google Chrome
Optimize signatures and fingerprints under strict size limits. Clean background contrast and scale dimensions. Formatted for CUET UG Signature.
To ensure your signature is accepted by the India official platform, it must meet the following strict criteria:
Disclaimer: These requirements are verified based on official guidelines. However, platform rules and guidelines can change. Always consult the official CUET UG Signature portal before final submission.
Applying online can be frustrating due to strict file requirements. Our platform is explicitly designed to help you prepare your files perfectly for CUET UG Signature. The official limit is 30 KB with exact dimensions of 140x60 px. Official exam and recruitment portals (including UPSC, SSC CGL, IBPS Bank Exam, GATE, NEET, and NSDL PAN applications) enforce extremely tight size caps on signature uploads—typically requiring signatures to be strictly between 10KB and 20KB. Scanned signature photos taken with smartphone cameras often suffer from grey shadows, yellow paper tint, and file sizes exceeding 2MB.
Our Signature Compressor combines monochrome thresholding with adaptive contrast enhancement. It converts grey paper backgrounds into pure white (#FFFFFF), sharpens black or blue ink stroke lines, and applies aggressive quantization to guarantee that your signature file size stays strictly between 10KB and 20KB while remaining 100% crisp on official forms.
| Signature Format | Thresholding Algorithm | Alpha & Contrast Depth | Target Size Ceiling | Portal Compatibility |
|---|---|---|---|---|
| Scanned Paper Signature | Adaptive Otsu High-Pass Binarization | Paper Shadow Eraser (#FFFFFF White) | 10KB – 20KB | 100% (SSC CGL, IBPS, UPSC, SBI PO) |
| Phone Camera Photo Signature | Luminance Contrast Sharpening | Monochrome Ink Extraction | 10KB – 30KB | 100% (Government Recruitment Portals) |
| Digital Tablet Signature | Vector Ink Curve Smoothing | Transparent PNG / Pure White JPG | 10KB – 50KB | PDF Signatures & Legal Contracts |
Follow these simple steps to ensure your file meets all requirements for CUET UG Signature.
Upload a smartphone photo or scan of your signature on white paper.
Select 10KB or 20KB target size and enable Background Cleanup. The official limit is 30 KB with exact dimensions of 140x60 px.
Our engine removes paper shadows and compresses the file under 20KB. Grab your optimized file. It is now 100% compliant and ready for upload to CUET UG Signature.
Answers to common questions regarding requirements for CUET UG Signature.
Lead WebAssembly Systems Engineer at 100KB Tools. Technical specifications researched and cross-verified against official ICAO Doc 9303 Part 9 standards, ISO/IEC 10918-1 JPEG specifications, and PDF/A ISO 19005 guidelines.
Combine a passport photo and signature vertically or horizontally into a single image, keeping the combined file under 100KB.
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