If your portal says "maximum file size 50KB" or "photo should be between 20KB and 50KB," you need more than a generic compressor. You need resize-then-compress: match pixel dimensions first, then optimize JPEG quality. That is how professionals hit 50KB while keeping faces and signature strokes readable.
Which Portals Require 50KB Photos or Signatures?
NSDL / Protean PAN
Photo & signature up to 50KB
TNPSC Exams
Strict 50KB max photo
EPFO / UAN Services
Documents often 50–100KB
Bank KYC Uploads
50KB–200KB scans common
SSC / IBPS (upper range)
Photo 20–50KB band
Digital Signature Forms
Signature clarity at ~50KB
The 50KB Compression Strategy
Smart 3-Step Method:
- 1Resize to portal pixels — e.g. 200×230 for exams, 212×212 for NSDL PAN.
- 2Strip EXIF/GPS metadata — saves 5–15KB with zero visual loss.
- 3Target JPEG quality 65–80% on the already-small image — not on a 4000px original.
50KB vs 20KB vs 100KB — Which Do You Need?
20KB suits strict SSC and state PSC minimums. 50KB balances quality for PAN, TNPSC, and signatures. 100KB+is for GATE, NEET, or high-resolution passport prints. When unsure, check your portal's help PDF — never guess.
Tips for Best 50KB Output
- Start from original camera file — not WhatsApp
- White background compresses smaller than busy patterns
- For signatures: black ink, white paper, 400×200 px aspect
- Verify final KB in file properties before upload
Hit exactly 50KB — in your browser.
No account. No server upload. Instant download.