Is Espanso safe to use for passwords and sensitive information? It can detect text you type so it can recognize triggers, but Espanso’s project says that detection is not the same as recording a history of your keystrokes. That statement is not proof that Espanso is a secure place to store credentials: its matches are editable configuration files, and its documentation does not establish that secrets saved in them are encrypted. For reusable passwords, recovery codes, private keys, and other high-impact secrets, use a dedicated password manager instead.
Does Espanso log everything you type?
Espanso must observe keyboard input to recognize a trigger and replace it with a match. The project’s security documentation says, “While espanso detects key presses as a keylogger would do, it doesn’t log anything.” The distinction is between detecting input for a specific function and keeping a record of everything typed.
That statement needs qualification: the same Espanso security page says its detailed explanation relates to version 1 and is only a “good approximation” of version 2 internals. It is the project’s description, not an independent security audit or a guarantee about every current version and configuration. The page’s implementation details—including a rolling buffer described as retaining the last five characters for regular matches and up to 30 for regex matches by default—are version-1-era documentation, not verified current-version limits.
The project describes Espanso as “100% local, no tracking” and presents it as a configurable text expander. These are project claims, not independent verification of every installation or any third-party packages or scripts a user chooses to add. Espanso’s repository also describes capabilities such as custom scripts and shell commands; adding such configuration changes what a particular setup can do.
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Can you store passwords in Espanso?
You can put text in an Espanso match, but that does not make the match a secure credential store. The official Getting Started guide shows matches in editable YAML files. The reviewed Espanso documentation does not establish that credentials stored in those files are encrypted at rest.
That matters if a configuration directory is copied, synced, backed up, committed to a repository, or accessed by another person or process. Treat match files containing a secret as files that may expose that secret if the files themselves are exposed. Avoid storing:
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- Reusable account passwords
- Recovery codes or backup authentication codes
- Private keys, payment details, or similarly consequential secrets
A dedicated password manager is the better tool for reusable credentials. Espanso’s documented match-file approach should not be mistaken for password-manager protections; the cited Espanso sources do not establish encryption or credential-vault controls for snippets.
When might a private snippet be reasonable?
For lower-risk private text, consider the exposure of the device and the configuration files. Protect the operating-system account, and avoid placing sensitive snippets in configuration that is unencrypted or broadly shared through a sync service or repository. These are precautions for editable local files, not built-in Espanso security features.
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Can Espanso expose sensitive text through the clipboard?
Potentially. Espanso’s development-branch configuration schema lists clipboard, inject, and auto expansion backends. Clipboard-based expansion can put expanded text in the system clipboard; direct injection instead simulates typing. In automatic mode, Espanso chooses a mechanism, and the schema says it uses the clipboard for matches longer than a default threshold of 100 characters.
The same schema describes a preserve_keyboard setting that attempts to preserve earlier clipboard content after an expansion. “Attempts” is important: this is not a guarantee that every clipboard entry is immediately cleared or restored. The schema is on the development branch, so settings and behavior may change. Your actual exposure depends on the version, configuration, match length, and selected backend.
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If a snippet contains private material, the clipboard path is an additional reason to avoid treating Espanso as a vault. Prefer not to expand high-impact secrets through a text expander; if you use lower-risk sensitive snippets, understand which backend your setup uses and how your operating system and other apps handle clipboard contents.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Does Espanso work in password fields?
Do not assume it will work—or be blocked—in every password field. A historical Espanso v0.5.4 release note says macOS SecureInput can block text expanders from detecting input in sensitive areas such as password fields. It also says Espanso may notify and log when an app triggers SecureInput. That is a version-specific historical note, not confirmation of behavior across current Espanso releases or across macOS, Windows, and Linux. See the v0.5.4 release note for that account.
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Password fields are also a poor place to rely on a text expander: operating-system or application protections may prevent trigger detection, and behavior can vary. Use your password manager’s supported autofill method where available rather than weakening a sensitive workflow to make a snippet expand.
How to reduce risk if you use Espanso for private text
- Keep high-impact secrets out of match files. Use a password manager for reusable passwords, recovery codes, and keys.
- Review where your configuration goes. Do not put secret-bearing files in a shared, unencrypted sync location or public repository.
- Check the expansion backend. Espanso’s schema provides clipboard, inject, and automatic options; do not assume expansion avoids the clipboard.
- Disable expansion in sensitive workflows when appropriate. Espanso’s Getting Started documentation describes toggling Espanso off to prevent unwanted expansion. App-specific configurations are also among the project’s documented capabilities, but configure them carefully for your own version and platform.
- Be selective about packages and scripts. The project supports packages and custom scripts; install only what you trust and understand, especially when expanding private text.
The official Getting Started documentation covers editable matches, packages from Espanso Hub, and turning Espanso off. Exact controls and behavior can depend on the installed version and platform.
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