JSON & Data Conversion
Transform data, any format.
Format, validate, convert, and transform JSON, CSV, TSV, and XML — all in your browser.
JSON Formatter
Format, validate, minify. See the error line. Nothing uploaded.
→JSONJSON Editor
Edit JSON with syntax highlighting. Use JSON Formatter to pretty-print.
→JSONJSON Escape
Escape raw text into a JSON-safe string or unescape a JSON string back to plain text.
→JSONJSONL Validator
Validate JSON Lines and convert valid records to a JSON array.
→CSV-CSV to JSON
Convert CSV data to a JSON array. Supports headers and custom delimiters.
→JSONJSON to CSV
Convert a JSON array of objects to CSV format.
→TSV-TSV to JSON
Convert tab-separated values to JSON. Paste directly from Excel.
→JSONJSON to TSV
Convert JSON to tab-separated values for Excel or Google Sheets.
→XML-XML to JSON
Convert XML to JSON. Handles nested elements and attributes.
→QUERQuery Params → JSON
Parse URL query parameters into a structured JSON object.
→CSV-CSV Viewer
View, search, and sort CSV files as a table. Drag and drop to load.
→EXCEExcel to HTML
Convert spreadsheet rows into an HTML table.
→YAMLYAML ↔ JSON
Convert YAML config files to JSON and JSON back to YAML in the browser.
→JSONJSON to TypeScript
Generate TypeScript interfaces from JSON samples. Nothing uploaded.
→About JSON & Data
Data rarely arrives in the format you need. These tools help you validate JSON structure, convert between common data formats, and transform payloads without uploading anything to a server.
- JSON Formatter — Format, validate, and minify JSON. See the exact error line when something breaks.
- Format converters — Convert between JSON, CSV, TSV, and XML. Paste data from Excel or API responses.
- JSONL Validator — Validate JSON Lines format used by streaming APIs and log files.
- Query string parser — Turn URL query parameters into structured JSON objects.