Item logo image for PDFtrust - PDF 數位簽章驗證工具

PDFtrust - PDF 數位簽章驗證工具

ExtensionTools
Item media 4 (screenshot) for PDFtrust - PDF 數位簽章驗證工具
Item media 1 (screenshot) for PDFtrust - PDF 數位簽章驗證工具
Item media 2 (screenshot) for PDFtrust - PDF 數位簽章驗證工具
Item media 3 (screenshot) for PDFtrust - PDF 數位簽章驗證工具
Item media 4 (screenshot) for PDFtrust - PDF 數位簽章驗證工具
Item media 1 (screenshot) for PDFtrust - PDF 數位簽章驗證工具
Item media 1 (screenshot) for PDFtrust - PDF 數位簽章驗證工具
Item media 2 (screenshot) for PDFtrust - PDF 數位簽章驗證工具
Item media 3 (screenshot) for PDFtrust - PDF 數位簽章驗證工具
Item media 4 (screenshot) for PDFtrust - PDF 數位簽章驗證工具

Overview

Verify PDF digital signatures — integrity, certificate chain, trust, timestamp, revocation & LTV. Supports global CAs.

Verify PDF digital signatures directly in your browser — no server uploads, no external services. Everything runs locally for maximum privacy. 在瀏覽器中直接驗證 PDF 數位簽章 — 無需上傳檔案、無需外部服務。所有驗證皆在本機執行，確保最高隱私安全。

Details

  • Version
    1.0.3
  • Updated
    April 7, 2026
  • Offered by
    DarrenLu
  • Size
    626KiB
  • Languages
    English
  • Developer
    Email
    business@darrenlu.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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