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Cachet

Features

What Cachet does, point by point: whole batches at once, three signing modes, PAdES levels, template validation and output verified on the spot.

  • Whole batches at once

    Point Cachet at files or folders. The same mark, page and position are applied to every document in the batch.

  • Three signing modes

    A qualified eID signature, an advanced signature from Azure Key Vault, or a plain image stamp with no legal value.

  • PAdES up to B-LTA

    Levels b-b, b-t, b-lt and b-lta, selectable per run. b-lta is the default — the strongest and longest-lasting.

  • Trusted timestamping

    An RFC 3161 timestamp authority proves when you signed. Point it at a qualified TSA when eIDAS-qualified preservation matters.

  • Long-term validation

    CA certificates and OCSP/CRL responses are embedded at signing time, so the PDF stays verifiable after the certificates expire.

  • Verified on the spot

    Each signed file is re-opened and validated, and the achieved level is reported. Levels are never silently downgraded.

  • Template validation

    Inputs are accepted only if their page count and per-page dimensions match a model PDF exactly. Rejected files are never signed.

  • Click to place

    A real preview of the target page, rendered by the bundled PDFium engine. Click where the mark belongs — that is where it is signed.

  • Visible signature mark

    eID signatures stamp the cardholder photo, name and date; Azure signatures stamp the name and date.

  • Nothing overwritten

    Output is written as {name}_signe.pdf in a folder you choose, and existing files are never replaced.

  • Six languages in the app

    The wizard speaks English, French, Dutch, German, Spanish and Portuguese, and follows your system language by default.

  • Standalone binaries

    One windowed app and one console tool per platform, for Linux and Windows. Nothing to install beyond the eID middleware.