Resize 10th certificates and category proofs to exact NTA JEE Main 50KB–300KB upload requirements.
To compress documents for JEE Main: 1. Drag & drop your PDF marksheet or certificate. 2. Select 'Exact Target Size' and enter 200 KB (safely within NTA's 50KB–300KB range). 3. Toggle 'Convert to Black & White' if your scan contains colored grain. 4. Click 'Compress PDF' and download your verified file for jeemain.nta.nic.in.
| Document Type | Mandatory Size | Format | Requirements |
|---|---|---|---|
| Class 10 / Equivalent Certificate | 50 KB – 300 KB | PDF only | Mandatory proof of candidate name and date of birth |
| Category Certificate (Gen-EWS / OBC-NCL / SC / ST) | 50 KB – 300 KB | PDF only | Must be issued in Central Government format |
| PwD / PwBD Certificate | 50 KB – 300 KB | PDF only | Disability certificate for extra time / scribe eligibility |
| Candidate Photograph | 10 KB – 200 KB | JPEG / JPG | Color or B&W with 80% face visible against white background |
| Candidate Signature | 4 KB – 30 KB | JPEG / JPG | Black ink on white paper, 3.5cm x 1.5cm |
The National Testing Agency (NTA) conducts JEE (Main) for admission to NITs, IIITs, and CFTIs via jeemain.nta.nic.in (Last Verified: October 2026 for 2026–2027 Admissions).
During online application submission, candidates must upload educational certificates and category proofs. The official NTA bulletin specifies: 'The document must be in PDF format with size between 50 KB and 300 KB.' Files exceeding 300KB or below 50KB trigger an immediate upload failure. PDFBolt guarantees your document fits comfortably within the allowed bracket.
Secondary school certificates from CBSE, ICSE, and state boards feature colored borders and institutional emblems that inflate scanner files to 2MB to 5MB.
Enabling PDFBolt's 'Convert to Black & White (Grayscale)' toggle strips color channels while maintaining 300 DPI text sharpness, dropping file size by 70% to 80% effortlessly.
During Joint Seat Allocation Authority (JoSAA) and CSAB counseling, uploaded certificates are verified against candidate records. Unreadable roll numbers or blurry stamps can cause verification queries.
PDFBolt preserves vector typography and darkens text lines during compression, guaranteeing your document passes institutional verification.
The NTA portal will reject the upload with an error: 'File size must be between 50 KB and 300 KB'. Use PDFBolt's Exact Target Size mode and enter 200 KB to ensure seamless acceptance.
Per official NTA guidelines: Class 10 and category certificates must be PDF format between 50KB and 300KB. Photographs must be 10KB to 200KB (JPEG), and signatures must be 4KB to 30KB (JPEG).
Yes! PDFBolt runs locally inside Google Chrome or Safari on Android and iPhone with zero app downloads.
Yes. Black-and-white (grayscale) scans are fully accepted provided all text, marks, roll numbers, and official signatures are sharp and legible.
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