Data tools
8 free data tools.
Free local-first data tools for CSV, JSON, TSV, NDJSON, table formatting, schema generation, sorting, and cleanup workflows.
Data tool list
CSV to JSONConvert CSV rows to formatted JSON locally in your browser.LocalJSON to CSVSmall local utility for quick browser-based transformations. Runs locally in your browser without uploading input.LocalCSV SorterSmall local utility for quick browser-based transformations. Runs locally in your browser without uploading input.LocalTSV to JSONSmall local utility for quick browser-based transformations. Runs locally in your browser without uploading input.LocalTable FormatterSmall local utility for quick browser-based transformations. Runs locally in your browser without uploading input.LocalNDJSON FormatterSmall local utility for quick browser-based transformations. Runs locally in your browser without uploading input.LocalJSON Schema GeneratorSmall local utility for quick browser-based transformations. Runs locally in your browser without uploading input.LocalList DeduplicatorSmall local utility for quick browser-based transformations. Runs locally in your browser without uploading input.Local
Built for quick work
These tools are designed for short, repeated tasks where opening a full application would slow you down.
Privacy-first by default
Local tools run in the browser. Network tools are clearly marked when public web data has to be requested.