Simple desktop application for users without knowledge of electronic signatures. Automatically selects the most suitable signature format for the document to be signed and allows viewing the signers and signed document if a signature is provided.
Publisher’s description
What is Autofirma?
Autofirma is an open-source office suite program for Windows from Gobierno de España. It is written in Java. Besides Windows, it is available for Linux.
Installation and requirements
Official installers exist for 64-bit and 32-bit as EXE (NSIS) and MSI. The main installer is 136.8 MB. Installation asks for administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 1.9, released on July 31, 2025. 5 versions are listed since February 10, 2023, each with links to its own installer files. That is about 2 releases a year. The last update is more than a year old.
Popularity and file types
The source code on GitHub (ctt-gob-es/clienteafirma) has 344 stars. On Windows it registers 2 file types, including .xsig and .csig. Similar programs include TeXstudio, JabRef and Zettlr.
Project description on GitHub: “Cliente @firma”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Also runs on Linux
Cons
- No native ARM64 build
- Installation needs administrator rights
- No update for more than a year
In short: Autofirma is an open-source office suite tool for 64-bit and 32-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is Autofirma safe to download?
- The file is served by estaticos.redsara.es; check that it is the publisher’s official mirror
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
9963173E6B268E38959F4532429E4E66513AFFA18D7222004BA523B7DE4B6D7C· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Security practices (OpenSSF Scorecard)
Automated checks of the ctt-gob-es/clienteafirma repository on GitHub by the Open Source Security Foundation, last run on October 19, 2026.
- Licence declared9
- Actively maintained8
- Code review2
- OpenSSF Best Practices badge0
- No binaries in the repository0
- Security policy0
- Branch protection0
- Fuzzing0
- Static code analysis0
The score rates how the project is developed and released, not whether the program is safe to install. scorecard.dev
Recent versions
All 5 versions ›5 versions over 2 years · about 2 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 1.9Latest | July 31, 2025 | 137.1 MB | 32-bit ZIP64-bit ZIP32-bit ZIP64-bit ZIP |
| 1.8.3 | June 7, 2024 | — | 64-bit ZIP64-bit ZIP32-bit ZIP32-bit ZIP |
| 1.8.2 | June 28, 2023 | — | 32-bit ZIP32-bit ZIP64-bit ZIP64-bit ZIP |
| 1.8.0 | March 31, 2023 | — | 64-bit ZIP32-bit ZIP32-bit ZIP64-bit ZIP |
| 1.7.2 | February 10, 2023 | — | 32-bit ZIP64-bit ZIP64-bit ZIP32-bit ZIP |
Install from the command line
Silent install ›winget install --id SpanishGovernment.Autofirma -eAutofirma64.zip /SRelated guide: How to use winget: install and update apps
Also for other systems
flatpak install flathub es.gob.afirmaInformation
- Publisher
- Gobierno de España
- Category
- Office suites
- Licence
- GPLv2.0 | EUPLv1.1
- Price
- Free
- Source code
- github.com/ctt-gob-es/clienteafirma
- Written in
- Java
- Content rating
- All ages
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- EXE (NSIS), MSI
- Other platforms
- Linux
- Version
- 1.9
- Released
- July 31, 2025
- Added to the catalogue
- February 10, 2023
- Versions listed
- 5
- Updates / year
- 2
- GitHub stars
- 344
- GitHub forks
- 153
- Website
- administracionelectronica.gob.es
- winget ID
- SpanishGovernment.Autofirma
- MSI product code
- {72B9B302-90B0-4CDB-8A73-10B6D2D8D60C}
File types it opens (2)
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Autofirma free?
Yes. Autofirma is open-source software under the GPLv2.0 | EUPLv1.1 licence.
Is Autofirma safe to download?
The download comes from estaticos.redsara.es; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Autofirma with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Autofirma be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Autofirma run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of Autofirma?
The versions page lists all 5 versions with links to their official installer files, back to February 10, 2023.
What are alternatives to Autofirma?
TeXstudio, JabRef, Zettlr, ONLYOFFICE Desktop Editors and PDF Arranger. The alternatives page compares them.
