AnkhKit

PDF Signature Checker Online

Runs 100% in your browser — your files never leave your device.

Contracts and invoices often arrive as signed PDFs, and you may need to confirm the signature before trusting them. Drop a PDF here to list every embedded signature with its certificate chain, validity dates, signer name, and location. Parsing happens entirely in your browser — the document is never uploaded.

How it works

  1. 1

    Drop a PDF

    Drag and drop the document or click to browse.

  2. 2

    Review the signatures

    Each signature shows its certificate, validity period, and signer metadata.

  3. 3

    Check authenticity

    Verification flags summarize integrity, authenticity, and expiry.

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