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DataToolsOnline

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SQL
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Tools
Data Quality
SQL
Learn
About

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Feedback, bug reports and questions are welcome.

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DataToolsOnline

Free browser-based data tools for CSV, JSON and Parquet.

CSV Tools

CSV Viewer
CSV Profiler
CSV Cleaner
CSV to Parquet
CSV to JSON
CSV to SQL

Parquet Tools

Parquet Viewer
Parquet Profiler
Parquet to CSV
Parquet to JSON

JSON Tools

JSON Viewer
JSON Formatter
JSON Flattener
JSON to CSV
JSON to Parquet

SQL Tools

SQL on CSV
SQL on Parquet

DataToolsOnline

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Browser-based tools are designed to process your files locally whenever possible. See the privacy page for how this works.