100% Free · Client-Side Private Processing
140x60 Signature Resizer 10KB–20KB Free
Resize, crop, and compress signatures strictly to 10–20 KB (SSC/IBPS), 30–70 KB (RRB), or 100–300 KB (UPSC OTR) with high contrast.
⚡ Direct Answer · Official Specification Summary
StudyBudyAI Signature Resizer converts applicant signatures to 10KB–20KB and 140×60 pixels in-browser with high contrast black/blue ink, satisfying official SSC, IBPS, and Railway RRB submission specifications without server uploads.
Official Recruitment Dimension & Size Matrix
| Exam Authority | Dimensions | File Size | Ink & Paper | Official Protocol |
|---|---|---|---|---|
| SSC (CGL, CHSL, MTS) | 4.0 × 2.0 cm (140×60 px) | 10 KB – 20 KB | Black/Dark Blue on White | BLOCK / CAPITAL letters strictly rejected |
| IBPS / SBI Bank 2026 | 140 × 60 px | 10 KB – 20 KB | Black Ink on White | Crop tightly around signature strokes |
| India Post GDS 2026 | 140 × 60 px (200 DPI) | 10 KB – 20 KB | Black/Blue Ballpoint | Strictly between 10 KB and 20 KB |
| BPSC (TRE & CCE) | 220 × 100 px | 5 KB – 15 KB | Hindi & English | Strict 15 KB maximum upload ceiling |
| CTET 2026 (CBSE) | 3.5 × 1.5 cm | 3 KB – 30 KB | Dark Ink on White | Natural running handwriting only |
⚠️ Official Portal Signature Rejection Codes & Guidelines
- Capital Letters Rejection: All central exam portals (SSC, IBPS, UPSC) instantly reject signatures written in ALL CAPITAL letters.
- File Size Exceeded (SSC / IBPS): Signatures exceeding 20 KB are blocked by server-side upload validators.
- Low Ink Contrast Failure: Smartphone photos of signatures taken in dim rooms or on ruled notebook paper fail optical verification.
Step-by-Step Preparation Instructions
- Sign with a dark black or blue ballpoint pen on clean, unlined white paper.
- Capture a sharp, well-lit photo of your signature with your phone.
- Upload to StudyBudyAI and crop tightly to eliminate empty white margins.
- Select your target exam size (10–20 KB) and download the calibrated JPG.
Frequently Asked Questions
Why are capital letter signatures rejected by exam boards?
Official recruitment rules mandate running handwriting to verify authenticity. Signatures in capital block letters cannot be legally validated.
What is the signature requirement for India Post GDS?
India Post GDS mandates 140x60 pixels resolution at 200 DPI with file size strictly between 10 KB and 20 KB.
Tool Highlights & Privacy Guarantee
- Zero server uploads — all file resizing, compression, and utility calculations execute entirely in your browser memory.
- Calibrated strictly for official Indian recruitment standards (SSC, UPSC, CTET, BPSC, India Post GDS, Railway & Banking).
- Instant high-resolution downloads with no watermarks, registrations, or daily limits.