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Compress a PDF for NTA — Joint CSIR-UGC NET December 2026

NTA — Joint CSIR-UGC NET December 2026 takes PDFs up to 300 KB and at least 50 KB. PDF Desk shrinks yours to just under it, right in this tab.

Max 300 KBMin 50 KBPDF

Files stay on this device. Nothing is uploaded.

NTA — Joint CSIR-UGC NET December 2026 upload limits

DocumentMax sizeMin sizeFormats
Category certificate (if applicable)
PDF only.
300 KB50 KBPDF
Result Awaited Attestation Form (Annexure XI)
PDF only.
300 KB50 KBPDF
Disability / UDID certificate300 KB50 KBPDF

Where this number comes from

“5. Category Certificate: to be uploaded (if applicable) (Annexure XII, XIII, XIV) File size must be between 50 kb to 300 kb (in PDF Format only).”

— Information Bulletin Joint CSIR-UGC NET December 2026, National Testing Agency, October 2026. Checked October 2026.

PDF Desk aims at 291 KB, a little under the limit, because some portals count 1 KB as 1,000 bytes. If the result comes out below the minimum, use a milder setting.

If the file will not get small enough

Scan in black and white at 150 DPI instead of colour. Remove blank and duplicate pages with Delete pages. If the portal allows several files, cut the PDF with Split PDF and upload the parts.

Other portals in India

Limits of other portals

Questions

What is the maximum PDF size for NTA — Joint CSIR-UGC NET December 2026?

Category certificate (if applicable): 300 KB (minimum 50 KB); Result Awaited Attestation Form (Annexure XI): 300 KB (minimum 50 KB); Disability / UDID certificate: 300 KB (minimum 50 KB). Source: cdnbbsr.s3waas.gov.in, checked October 2026.

NTA — Joint CSIR-UGC NET December 2026 still rejects my PDF. Why?

Check that it is not password-protected, that the file name has no special characters, and that it is a few percent under the limit — some portals count 1 KB as 1,000 bytes.

Are my PDFs uploaded?

No. PDF Desk opens and writes the file with JavaScript inside your browser tab. Nothing is sent to a server, so it is safe for contracts, IDs and bank statements.