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# Encoder / Decoder
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Encode operators will take the piped in object structure and encode it as a string in the desired format. The decode operators do the opposite, they take a formatted string and decode it into the relevant object structure.
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Note that you can optionally pass an indent value to the encode functions (see below).
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These operators are useful to process yaml documents that have stringified embedded yaml/json/props in them.
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| Format | Decode (from string) | Encode (to string) |
| --- | -- | --|
| Yaml | from_yaml | to_yaml(i)/@yaml |
| JSON | from_json | to_json(i)/@json |
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| Properties | from_props/@propsd | to_props/@props |
| CSV | from_csv/@csvd | to_csv/@csv |
| TSV | from_tsv/@tsvd | to_tsv/@tsv |
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| XML | from_xml | to_xml(i)/@xml |
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| Base64 | @base64d | @base64 |
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See CSV and TSV [documentation ](https://mikefarah.gitbook.io/yq/usage/csv-tsv ) for accepted formats.
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XML uses the `--xml-attribute-prefix` and `xml-content-name` flags to identify attributes and content fields.
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Base64 assumes [rfc4648 ](https://rfc-editor.org/rfc/rfc4648.html ) encoding. Encoding and decoding both assume that the content is a string.
