Data Format Converter
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A universal data format converter that transforms data between JSON, CSV, YAML, and TSV. Particularly useful when preparing AI training data, migrating between databases, or converting API responses for spreadsheet analysis.
Why Use This Data Converter?
- 4 formats — JSON ↔ CSV ↔ YAML ↔ TSV, any direction.
- Smart parsing — handles quoted CSV fields, embedded newlines, nested YAML lists, and TSV tabs.
- AI training data — quickly convert between JSON Lines and CSV for ML datasets.
- Client-side & Export — your data never leaves your browser, and you can download the converted result instantly.
Key Features
- JSON: Full array-of-objects parsing and pretty-printed output.
- CSV: Strict RFC-compliant parsing with quoted field support, double-quote escaping, and embedded newline support.
- YAML: Simple key-value and list-of-objects format support.
- TSV: Tab-separated values for spreadsheet compatibility.
- One-Click Download: Export your converted data directly into appropriately extension-named files.
How it Works
Each format has a dedicated parser that converts input text into an internal JavaScript array of objects. The internal representation is then fed to the target format’s generator. CSV parsing utilizes a state-machine approach to safely process fields with embedded commas and newlines without breaking rows.
Try the Data Converter
Paste your data, select the input and output formats, then click “Convert.” Copy the result or download it directly to your device.