sign-pdf

Multiple digital signatures on a single PDF, in Laravel. Each signature is appended as a new revision, so signing again never invalidates the ones before it. A1/x509 certificates, PAdES profiles, RFC 3161 timestamps, LTV and cryptographic validation.

C# and VB.NET samples for Docotic.Pdf library

An ASP.NET Core REST API to sign PDF documents using Syncfusion PDF library and Azure key valut

Have you ever wondered how hellosign implemented their features? Wonder no more, checkout this repo for the main features of hello sign..

Signet — a privacy-first PDF editor that runs entirely in your browser. Add text & signatures, animated UI, resume where you left off, and optional accounts (saved signatures, synced preferences & drafts). Your PDF files never leave your device.

A small project on Nestjs about attaching a signature image into a pdf file on a customise location.

A package for easy integration between Laravel applications and Autentique's digital signature service.

This repository contains examples to digitally sign and validate the PDF document using the Syncfusion PDF Library.

eSignature on PDF

Curated directory of 45+ free online PDF tools: merge PDF without signup, compress PDF under 200KB, PDF to Word/Excel/JPG, split, rotate, protect, unlock, sign, watermark, redact, OCR PDF, crop Aadhar card & more. All tools client-side, privacy-first, no account, no uploads. By toolimi.com

A quick start Blazor project that shows how to create a PDF digital signature, customize it, add a timestamp, and add multiple signatures to a PDF document using Syncfusion PDF Library.

🔒 17 free, browser-based PDF tools — split, merge, compress, sign, reorder, watermark, N-up, and more. 100% client-side, no uploads, no server. Built with Next.js, pdf-lib & PDF.js.

Free, private, in-browser PDF editor - edit text, fill forms, sign, annotate, merge & reorder. Your files never leave your browser.

The actually free PDF editor. Edit, sign, annotate, merge & split PDFs in your browser. No watermark, no signup, no upload. 100% client-side.

High performant Swift wrapper for the Poppler PDF rendering utilities

Free local PDF editor and Adobe Acrobat alternative for splitting, merging, signing, posterising, resizing and editing PDFs in the browser.

Standalone Python library for PDF digital signatures — PAdES/CMS, USB tokens, Windows store, Indian eSign, timestamps, LTV and a green-tick appearance Adobe shows as valid. Zero dependencies.

This repository contains C# examples using the Syncfusion PDF library to demonstrate deferred PDF signing. Learn how to prepare PDFs for deferred signing, generate a hash for external signing, and apply signatures later in .NET applications with step-by-step guidance.

Sign PDF using different certificates

Multiple digital signatures on a single PDF, in plain PHP. Each signature is appended as a new revision, so signing again never invalidates the ones before it. A1/x509 certificates, PAdES B-B to B-LTA, RFC 3161 timestamps, LTV and cryptographic validation. No framework.