> For the complete documentation index, see [llms.txt](https://osl.mistium.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://osl.mistium.com/standard-library/data.md).

# Data and serialization

Packages for parsing and encoding structured data formats.

* [json](/standard-library/data/json.md) - JSON parsing and encoding.
* [yaml](/standard-library/data/yaml.md) - YAML parsing and encoding.
* [schema](/standard-library/data/schema.md) - Validation and normalization schemas.
* [csv](/standard-library/data/csv.md) - CSV parsing plus a small dataframe-style toolkit.
* [xml](/standard-library/data/xml.md) - XML parsing and querying.
* [template](/standard-library/data/template.md) - Lightweight `{{ }}` templating with HTML escaping.
* [md](/standard-library/data/md.md) - Markdown to HTML (CommonMark + GFM via goldmark).
* [mime](/standard-library/data/mime.md) - MIME-type lookup and parsing.
* [diff](/standard-library/data/diff.md) - Text/line/word diffing.