100KB Extension v1.1.1: Compress & resize files in 0ms directly in Google Chrome
Compress PDF files to the exact limit required by UPSC secure. Optimize scanned documents and certificates with zero quality loss.
To ensure your document is accepted by the India official platform, it must meet the following strict criteria:
Disclaimer: These requirements are verified based on official guidelines. However, platform rules and guidelines can change. Always consult the official UPSC portal before final submission.
The Union Public Service Commission (UPSC) requires candidates to upload scanned copies of identity proofs, age declarations, and educational certificates in PDF format. These files must strictly adhere to low size ceilings (typically under 300KB). Our PDF compressor is specifically designed to shrink these scanned certificates rapidly while retaining complete text legibility for UPSC verification.
| PDF Standard | Stream Compression Engine | Target Size Ceiling | Font Subsetting | Portal Acceptance |
|---|---|---|---|---|
| PDF / A-1b (Scanned Certificates) | FlateDecode + Bi-Cubic Resampling (150 DPI) | 100KB – 300KB | Retained as Vector | 100% (UPSC, NTA, SSC, IBPS) |
| Standard PDF / 1.7 (Multi-Page) | Stream Dictionary LZ77 Deflate | 200KB – 1MB | Full Font Subsetting | 100% (USCIS, UKVI, IRCC) |
| High-Res Print PDF | Uncompressed Native Stream | 2MB – 10MB | Embedded TrueType | Requires Compression for Portal Caps |
Follow these simple steps to ensure your file meets all requirements for UPSC.
Select the scanned PDF documents required for your UPSC registration.
Adjust the compression settings to ensure the output file is under the UPSC KB limit.
Download the fully optimized PDF for immediate use on the UPSC portal.
Answers to common questions regarding requirements for UPSC.
Lead WebAssembly Systems Engineer at 100KB Tools. Technical specifications researched and cross-verified against official ICAO Doc 9303 Part 9 standards, ISO/IEC 10918-1 JPEG specifications, and PDF/A ISO 19005 guidelines.
Convert JPG, JPEG, and PNG images into PDF files. Automatically scale and compress pages to fit under your desired limit.
Combine multiple PDF documents or certificates into a single file. Control order, sort pages, and optimize output size.
Split PDF documents by custom page ranges or extract specific pages securely with zero data leakage.