> For the complete documentation index, see [llms.txt](https://mikefarah.gitbook.io/yq/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mikefarah.gitbook.io/yq/v3.x/usage.md).

# Usage

- [Output format](https://mikefarah.gitbook.io/yq/v3.x/usage/output-format.md): Flags to control yaml and json output format
- [Path Expressions](https://mikefarah.gitbook.io/yq/v3.x/usage/path-expressions.md): Path expressions are used to deeply navigate and match particular yaml nodes.
- [Value Parsing](https://mikefarah.gitbook.io/yq/v3.x/usage/value-parsing.md): How values are parsed from the CLI to commands that create/update yaml (e.g. new/write).
- [Working with JSON](https://mikefarah.gitbook.io/yq/v3.x/usage/convert.md)