Free Online Data Tools
Convert CSV and JSON, clean spreadsheet data, and use practical developer utilities to transform data faster without sign-up.
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Popular Tools
- CSV to JSON Converter
Convert CSV rows into JSON objects instantly.
- JSON Formatter
Beautify JSON with indentation.
- CSV Cleaner
Trim spaces and remove empty rows from CSV.
- JSON Validator
Validate JSON syntax instantly.
- Remove Duplicate Lines
Keep unique lines while preserving order.
- Extract Emails from Text
Find and list emails from any text block.
- Extract Numbers from Text
Pull numeric values from mixed text.
- CSV Validator
Check CSV structure for inconsistent rows.
Categories
CSV Tools
Clean, validate, and convert CSV files for fast spreadsheet workflows.
JSON Tools
Format, validate, and convert JSON data quickly in your browser.
Text Tools
Extract, sort, and clean text data for analysis and exports.
Developer Tools
Developer-focused utilities for debugging, formatting, and query assistance.
Spreadsheet Tools
Spreadsheet-focused tools for formulas and tabular data transformations.