Exam Upload Pre-Check
Select your exam and check photo + signature file requirements. This checks basic size and format — it does not simulate the actual portal validator.
infoSSC Requirements
face Photo
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Files are processed entirely in your browser for maximum privacy.
draw Signature
Drag and drop your file here
Files are processed entirely in your browser for maximum privacy.
What This Validator Checks & Why: Technical Deep Dive
Simultaneous dossier validation, JFIF headers, and biometric aspect ratios
Atomic Paired Dossier Validation
Government portals validate applicant dossiers (Photograph + Handwritten Signature) as an atomic transaction. If either file fails MIME or byte-count rules, the entire form submission aborts. Our tool verifies both files simultaneously against your selected exam profile.
Asymmetric Slot Verification
Photographs require vertical orientation (~3.5cm × 4.5cm), while signatures require horizontal aspect ratios (~4.0cm × 2.0cm). Candidates accidentally swapping these files face automated rejection during scrutiny. We check slot-specific dimensions and boundaries.
Baseline JFIF & Color Profile Checks
Legacy National Informatics Centre (NIC) servers used by SSC, RRB, and UPSC reject progressive JPEGs or files with embedded CMYK/Adobe RGB profiles. Our validator checks the underlying binary wrapper for strict standard baseline JFIF compatibility.
Biometric Readiness & Lighting
Modern exam portals run automated facial recognition at examination halls to prevent impersonation. Photos with dark or textured studio backdrops fail AI face matching. We verify clean visual contrast to ensure seamless biometric verification.
Diagnostic Matrix: Failure Symptoms & Resolution Steps
Common multi-file upload errors, technical causes, and step-by-step remedies
| Observed Symptom | Technical Root Cause | Severity | Actionable Resolution Step |
|---|---|---|---|
| "Image Upload Failed / File Size Out of Range" | File byte count is either below minimum (e.g., <20 KB) or exceeds maximum (e.g., >50 KB). | Fatal Rejection | Use our Exact KB Compressor to target the exact middle of the range (e.g., 35 KB). |
| "Invalid File Format / Only JPG Allowed" | File is PNG, WebP, or a progressive JPEG incompatible with portal parsers. | Auto-Rejection | Re-export the file as standard baseline JFIF JPEG. |
| Photo / Signature appear stretched or distorted on preview | Aspect ratio mismatch between image and portal display box. | Admit Card Risk | Crop photo to 3.5×4.5 ratio and signature to 4.0×2.0 ratio before compression. |
| Application rejected during scrutiny for "Unclear Signature" | Signature captured in dim lighting or signed with blue ballpoint pen on ruled paper. | Disqualification | Sign with black gel pen on plain white paper under bright light and crop margins. |
Real Portal Tolerances: Strict vs. Flexible Exam Engines
Comparative tolerances across SSC, IBPS, UPSC, RRB, and NTA portals
Strict Portals (SSC, IBPS, UPSC, RRB)
- errorNarrow Byte Bands: SSC & IBPS strictly enforce 20 KB – 50 KB for photos and 10 KB – 20 KB for signatures. Files at 19.8 KB or 50.2 KB are instantly blocked.
- errorEXIF Stripping Required: Metadata tags or mobile camera orientation flags trigger backend parse errors.
- errorWhite Background Verification: SSC automated scrutiny flags non-white or cluttered backdrops.
Flexible Portals (NTA NEET, JEE Main, GATE)
- check_circleWider File Windows: Allows photos up to 200 KB, accommodating higher-resolution smartphone captures.
- check_circleServer-Side Downsampling: Modern cloud backends automatically normalize and compress uploaded images.
- check_circleInteractive Previewers: Built-in cropping UI allows candidates to adjust margins during the upload flow.
Supported Exams — Quick Reference
| Exam Board | Photo Size | Signature Size | Format | Background Specification |
|---|---|---|---|---|
| SSC CGL / CHSL / GD | 20KB – 50KB | 10KB – 20KB | JPG | Plain White / Off-white |
| IBPS PO / Clerk / SO | 20KB – 50KB | 10KB – 20KB | JPG | Plain White |
| UPSC Civil Services / NDA | 40KB – 100KB | 10KB – 40KB | JPG | Plain White |
| Railway Recruitment (RRB) | 20KB – 50KB | 10KB – 40KB | JPG | Plain White |
| GATE Engineering | 5KB – 200KB | 5KB – 150KB | JPG | White or Light Colored |
| NTA JEE Main / NEET | 10KB – 200KB | 4KB – 30KB | JPG | White Background with 80% face coverage |
* Always verify official notification for year-specific amendments.
Your Biometrics & Signatures Never Leave Your Browser
Photographs and signatures represent critical personal biometric data. All diagnostic validation, byte counting, and format verification occur entirely inside your browser's sandboxed memory using client-side JavaScript. Zero files are transmitted to any remote server.
Expert Technical Diagnostics & Troubleshooting
Can I use the exact same photo and signature files across SSC, IBPS, and UPSC?
SSC and IBPS share almost identical requirements (Photo: 20-50 KB, Signature: 10-20 KB), meaning one pair works for both. However, UPSC accepts larger photos (up to 100 KB). For optimal quality, create a 35 KB photo for SSC/IBPS and a 70 KB high-res version for UPSC.
What should I do if my photo passes validation here but the SSC portal rejects it?
Official exam portals run server-side checks for EXIF orientation flags, non-white backgrounds, or progressive JPEG encoding. Run your photo through our Background Check tool to confirm background brightness, and use our Photo Validator to strip problematic EXIF headers.
Why do bank exam portals (IBPS/SBI) reject signatures written in blue ink?
Scanners and automated thresholding algorithms on banking portals convert colored signature images into high-contrast monochrome bitmaps. Blue ink often washes out or produces broken lines during thresholding. Always sign with a thick black gel pen.
How do I ensure my photo passes automated facial recognition at the exam center?
Ensure your ears are clearly visible, eyeglasses do not reflect glare, and the background is completely plain white. Avoid selfies or filters, as AI facial recognition at exam centers compares your live capture against this uploaded photograph.