CompressifyCompressify Guides & Tutorials
Clear, practical technical help for getting your PDFs and images to the exact required file size — especially for Indian government, exam, and admission portals.
Document size requirements for Indian portals
A complete reference of photo, signature and document size limits for Aadhaar, PAN, SSC, UPSC, IBPS and more — and how to meet them.
Photo & signature for online exam forms
Exactly how to prepare and compress your passport photo and signature for SSC, UPSC, IBPS, NTA, and state exam applications.
How to Compress Signature Photo to 20KB
Step-by-step tutorial on signing, tightly cropping, and compressing digital signature files to under 20KB for competitive exams.
JPG vs PNG vs WebP Compression Comparison
Technical breakdown of image formats, quality trade-offs, transparency features, and which format yields the smallest file size.
How to compress a PDF file
Why PDFs get so large, how to shrink scanned documents for email and uploads, and how to hit an exact KB ceiling.
Reduce image size without losing quality
The difference between pixel resizing and lossy compression, and optimal settings that shrink photos with no visible quality loss.
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