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Transform data.
Not your workflow.

Everyday developer utilities that run in your browser. Convert JSON, CSV, YAML and more without uploading your data.

EXPLORE TOOLS

JSON Formatter & Validator

Format and validate JSON online with clear errors. Paste JSON or upload a file and download properly indented JSON. Runs locally.

Convert JSON to CSV, flatten nested objects, or export related arrays as multiple Excel sheets or CSV files. Browser-based.

Convert JSON to YAML or YAML to JSON online. Quickly transform configuration files without uploading your data.

Generate sample-based TypeScript type declarations from JSON. Paste an object and copy or download the resulting types.

Compare two JSON documents and identify added, removed and changed properties using a free browser-based tool.

Convert CSV rows into SQL INSERT statements for PostgreSQL, SQLite, MySQL or SQL Server. Runs locally in your browser.