EasySigner
Simple desktop and browser utility to digitally sign PDF documents with cryptographic certificates.
Why consider EasySigner?
EasySigner is an open-source cryptographic PDF signature application. It supports PFX/P12 certificate signing, visual stamp placement, timestamp authority (TSA) validation, and batch PDF signing for contracts and invoices.
Learn EasySigner by building
Practical setup notes, real use cases, and copy-ready examples in one focused guide.
In this guide2 sections
Overview of EasySigner
EasySigner applies cryptographically valid digital certificates to PDF documents locally.
Quickstart
git clone https://github.com/mkozarik-praha/EasySigner.gitcd EasySignerdotnet runSelect your certificate file, specify the signature field location on your PDF, and sign.
EasySigner is licensed under the permissive MIT License.
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