DigiDoc4 Client
Estonian ID-card desktop application
Information System Authority of Estonia
ee.ria.qdigidoc4DigiDoc4 is an application for interacting with the Estonian ID system. Using an ID-card, Mobile-ID, or Smart-ID, it can sign, encrypt, and decrypt documents and files, and check the validity of digital signatures. It can also view information stored on ID cards and change the PIN1, PIN2 and PUK codes.
Digitally signed containers use .ddoc, .bdoc or .asice extensions, and encrypted/decrypted files use the .cdoc extension.
Screenshots
Observed history
| App | Change | Version | When ↓ |
|---|---|---|---|
| updated | 4.11.1 | 10 Oct 2026 |
Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
4.11.12 Sept 2026
- Increase version number to 4.11.1.
4.10.013 May 2026
- Code, Text and translation improvements and updates
4.9.110 Mar 2026
- Version increment for updated packages app stores
4.9.010 Nov 2025
- Thales card support
- Code, Text and translation improvements and updates