# List of plugins — SearXNG Documentation (2025.6.29+60be0f453)

# List of plugins

Further reading ..

- SearXNG settings

- Plugin Development

Table 1 Plugins configured at built time (defaults)
Name | Active | Description
--- | --- | ---
Basic Calculator | yes | Calculate mathematical expressions via the search bar
Unit converter plugin | yes | Convert between units
Self Information | yes | Displays your IP if the query is “ip” and your user agent if the query is “user-agent”.
Hash plugin | yes | Converts strings to different hash digests. Available functions: md5, sha1, sha224, sha256, sha384, sha512.
Open Access DOI rewrite | no | Avoid paywalls by redirecting to open-access versions of publications when available
Tor check plugin | no | This plugin checks if the address of the request is a Tor exit-node, and informs the user if it is; like check.torproject.org, but from SearXNG.
Tracker URL remover | yes | Remove trackers arguments from the returned URL