# Free data tools from Fluent BI

> Browser-only CSV, JSON, and regex utilities. No account. Files are not uploaded to Fluent BI servers.

- [CSV to JSON](https://fluentbi.com/tools/csv-to-json.md): Convert CSV to JSON in the browser. Paste data or upload a .csv file up to 1MB. Nothing is sent to Fluent BI servers.
- [JSON Validator](https://fluentbi.com/tools/json-validator-formatter.md): Validate JSON syntax and pretty-print it in the browser. Nothing is sent to Fluent BI servers.
- [Regex Tester](https://fluentbi.com/tools/regex-tester.md): Test a JavaScript regular expression against sample text in the browser, with live matches and g/i/m flags.

These tools are separate from the Fluent BI app. They do not analyze spreadsheets with AI.