How to Reduce PDF Contract File Size While Preserving Valid Signatures
Learn how to compress legal contracts and PDF documents without breaking digital signatures or exposing confidential data using PDFGeneral's WebAssembly.
## The Challenge of Compressing Legal Contracts and Documents When handling business agreements, insurance policies, employment contracts, or notarized deeds, professionals frequently encounter strict file size limits on public registry portals, court filing systems, and email servers (often capped at 1MB, 2MB, or 500KB). However, reducing the size of a signed PDF contract is not as simple as compressing standard documents: any unintentional modification to the internal binary structure can corrupt cryptographic digital signatures (PKI, eIDAS, DocuSign, Adobe Sign) or blur scanned physical sig
