Memida Signing: seal DCC and PDF files for free

With Memida Signing, you can seal and verify digital calibration certificates on your computer. The free desktop app supports DCC and compatible PDF files. For DAkkS eAttestations, you need your D-Trust seal certificate containing your laboratory's digital accreditation symbol.

You can seal local files without a Memida account or receive requests from Memida. You do not need a certificate of your own to verify existing seals.

Fig. 1: Memida Signing overview

Get the app from the download page. The guides take you through setup and use.

📄️ PTB DCC

Create PTB Digital Calibration Certificates in Memida. With Memida Signing, you can seal DCC 3.3.0 files locally and verify existing DCC seals for free.

📄️ DAkkS eAttestation

Create and manage DAkkS eAttestations in Memida. With Memida Signing, you can seal DCC and supported PDF files for free and verify existing seals.

📄️ Installation and setup

Install Memida Signing, set an app password and save the recovery key for your company certificates.

📄️ Certificates and backup

Add and replace company certificates, export encrypted backups and restore access to Memida Signing.

📄️ Seal locally

Seal DCC 3.3.0 and supported PDF files for free using your company certificate. Memida Signing saves sealed copies locally, without a Memida account or document uploads.

📄️ Seal with Memida

Approve a sealing request from Memida in the desktop app and return the sealed calibration certificate to Memida.

📄️ Verify seals

Verify DCC and PDF seals on your computer for free, without an account or a certificate of your own. The app evaluates the signature, certificate trust and, optionally, current revocation status.

📄️ Updates and help

Update Memida Signing, find version information and troubleshoot common issues with sealing and verification.