About Convert CSV to YAML
This tool transforms CSV (Comma Separated Values) data into the YAML (Yet Another Markup Language) data. CSV is a simple, tabular format that is used to represent matrix-like data types consisting of rows and columns. YAML, on the other hand, is a more advanced format (actually a superset of JSON), which creates more human-readable data for serialization, and it supports lists, dictionaries, and nested objects. This program supports various input CSV formats – the input data can be comma-separated (default), semicolon-separated, pipe-separated, or use another completely different delimiter. You can specify the exact delimiter your data uses in the options. Similarly, in the options, you can specify the quote character that is used to wrap CSV fields (by default a double-quote symbol). You can also skip lines that start with comments by specifying the comment symbols in the options. This allows you to keep your data clean by skipping unnecessary lines. There are two ways to convert CSV to YAML. The first method converts each CSV row into a YAML list. The second method extracts headers from the first CSV row and creates YAML objects with keys based on these headers. You can also customize the output YAML format by specifying the number of spaces for indenting YAML structures. If you need to perform the reverse conversion, that is, transform YAML into CSV, you can use our Convert YAML to CSV tool. Csv-abulous!
- Input
- Delimited text. Select the actual delimiter, quoting and header options where available.
- Output
- The result is shown in the work area. Use the copy or download controls provided by this tool.
- Processing
- The current implementation computes this tool's results in your browser. No account is required.
- Limits and behavior
- The selected separators, units and options affect the result. Very large inputs can make the browser slow. This page describes the current implementation, not every possible input combination.
How to use Convert CSV to YAML
- Paste or import your input, or enter values in the available fields.
- Choose settings and check the automatically updated result.
- Copy or download the result using the available controls.
Questions about Convert CSV to YAML
What input does Convert CSV to YAML accept?
Delimited text. Select the actual delimiter, quoting and header options where available.
How do I save the result from Convert CSV to YAML?
The result is shown in the work area. Use the copy or download controls provided by this tool.
What limitations should I know about?
The selected separators, units and options affect the result. Very large inputs can make the browser slow. This page describes the current implementation, not every possible input combination.
Where does processing happen?
The current implementation computes this tool's results in your browser. No account is required.
Implementation notes reviewed: 2026-10-25