YAML to TSV Converter

Paste a YAML sequence of mappings and get back a tab-separated table, the format most spreadsheet apps and databases accept for a clean paste-in import. A free online tool from Staaarter, right in your browser.

Runs locallyUpdated 2026-07-22

Overview

Introduction

Pasting data directly into a spreadsheet grid works best as tab-separated values, since spreadsheet apps split incoming paste text on tabs by default. This converter turns a YAML list of records into exactly that format.

It shares its conversion logic with the YAML to CSV Converter, just with the delimiter fixed to a tab character instead of a comma.

What Is YAML to TSV Converter?

A YAML-to-TSV converter parses a YAML sequence of mappings and produces tab-separated output: a header row of column names, then one tab-delimited row per record.

Nested keys are flattened with dot notation, and nested lists are serialized into a single cell as a JSON-looking string, the same conventions the CSV converter uses.

How YAML to TSV Converter Works

Input is parsed as YAML, then the resulting array of records is serialized with a tab character as the field delimiter using the same flattening and escaping logic as the CSV converter.

Fields that contain a tab, quote, or newline are still quoted per RFC 4180 conventions, so the output stays a well-formed delimited file even in edge cases.

When To Use YAML to TSV Converter

Use it when you want to paste YAML-sourced data directly into a spreadsheet grid, or into a tool that expects tab-separated input specifically.

It's also a reasonable choice whenever your data's text fields are likely to contain commas, since tabs avoid that ambiguity almost entirely.

Features

Advantages

  • Runs entirely client-side.
  • Avoids comma-related quoting noise common in comma-delimited output.
  • Pastes cleanly into most spreadsheet apps' cell grids.
  • Shares the same reliable flattening logic as the CSV converter.

Limitations

  • Nested lists inside a record are flattened into a single JSON-string cell, not split into multiple columns.
  • All values become text; TSV has no type system any more than CSV does.
  • If a text field legitimately contains a tab character, it will be quoted, which some very simple TSV consumers don't expect.

Examples

List of records

Input

- id: 1
  name: Ada
- id: 2
  name: Grace

Output

id	name
1	Ada
2	Grace

Each mapping becomes one tab-separated row, with keys forming the header row.

Best Practices & Notes

Best Practices

  • Prefer TSV over CSV when your data's text fields are likely to contain commas.
  • Paste directly into a spreadsheet's cell grid, most apps split incoming tab-separated text into columns automatically.
  • Keep the source YAML as the file you maintain long-term; treat generated TSV as a disposable export.

Developer Notes

This is a thin wrapper around the YAML to CSV Converter's `yamlToCsv()` function with `delimiter: "\t"`, so both tools share one implementation and stay in sync automatically.

YAML to TSV Converter Use Cases

  • Pasting YAML-sourced data directly into a spreadsheet
  • Producing tab-separated output for a tool that expects TSV specifically
  • Avoiding comma-quoting noise in text-heavy records

Common Mistakes

  • Assuming TSV needs no quoting at all, when fields containing an actual tab character are still quoted.
  • Expecting typed values in the output, when every cell is text regardless of what it looked like in the source YAML.

Tips

  • Paste the output directly into a spreadsheet app's grid rather than a plain text field, for automatic column splitting.
  • Pair this with the TSV to YAML Converter to round-trip and confirm a conversion.

References

Frequently Asked Questions