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UPSC Mains DAF wants certificates under 300KB. Crafex compresses locally to pass UPSC validator — Medium for text certs, High for scanned OBC/EWS.
UPSC Mains DAF: Certificates ≤300KB.
100% Safe & Private – files never leave your browser
Browser-based compression via pdf-lib. No upload, no sign-up, instant.
or click to browse from your device
Single or multiple PDFs • No file size limit • No signup
Tip: For 300KB, try Medium first — switch to High if still over limit. All processing stays in your browser.
UPSC Mains certs: Medium → 300KB; scanned affidavits: High.
Merge Mains annexures then compress as one 300KB set.
Keep seal legible — Medium preserves stamp contrast.
Your Target
300KB
For UPSC Mains uploads
Recommended Quality
Medium
Switch levels in widget until size fits
Privacy
100% Browser-Based
Files never leave your device
Everything for compress pdf for upsc mains with Crafex.
~300KB per certificate — aim 280KB to be safe.
Yes — local scaling keeps print-ready quality.
100% private — never uploaded, critical for DAF.
Explore other size & exam-specific compressors — all private, same instant widget.
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