Indian government portals are strict about file size. UIDAI, SSC, UPSC, passport Seva, and most state recruitment sites cap PDF uploads at 100KB, 200KB, or 500KB — and reject anything larger. Here is how to get a PDF under the limit in a couple of minutes, for free, without installing anything.

The quick way to compress a PDF under 100KB

1. Open the Compress PDF tool and add your file.
2. Choose a stronger compression level (Medium or High).
3. Download the compressed file and check its new size.
4. Still above the limit? Run it again at a higher level, or crop/remove pages you do not need.

Common size limits on Indian portals

• PDFs: usually 100KB, 200KB, or 500KB.
• Photos and signatures: often 20KB–50KB (JPG), with fixed dimensions.
• Always compress to just under the stated limit — do not aim exactly at it.

Will compressing ruin the quality?

Light compression keeps text crisp. Stronger levels downsample images, which can soften scans — but for documents that only need to be legible (mark sheets, ID proofs, certificates), Medium or High is usually fine. Open the file and read it before you submit.

Tip: keep the original, higher-quality PDF as a backup in case you need a sharper copy later.

Why file size matters for these forms

Upload caps exist so portals can store millions of applications cheaply and serve them quickly. A 2MB scan that looks identical to a 90KB one just wastes space — compression removes that overhead so your document fits without losing what reviewers actually need to read.