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SyncfusionExamples / add-or-remove-pdf-stamp-csharp

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This repository demonstrates how to add or remove stamp annotations in PDF documents using C# and the Syncfusion .NET PDF Library. Learn to apply standard approval stamps,embed custom image stamps like logos/signatures,and remove existing stamps programmatically-ideal for automating document workflows,branding, status tracking in .NET applications.

stamp pdf-library csharp-library pdf-annotations pdf-stamp
  • Updated Nov 17, 2025
  • C#

fanzizheng / ofdpdfsigner

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一个强大的OFD/PDF签章工具，支持格式转换、文档加密、电子签名、数字印章和完整性保护。A powerful OFD/PDF signing tool that supports format conversion, document encryption,electronic signature, digital seal, and integrity protection.

ofd-convert pdf-encryption pdf-signature pdf-convert pdf-sign pdf-signer pdf-electronic-seal ofd-electronic-seal pdf-digital-signature ofd-digital-signature ofd-encryption pdf-integrity-protection ofd-integrity-protection pdf-stamp ofd-sign ofd-signer ofd-signing ofd-stamp pdf-seal ofd-seal
  • Updated Jan 5, 2026
  • C++

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