Profile CSV and JSON columns, duplicates, ranges, and common values.
Local Data Tools
Runs in your browser
No account required
These tools are designed for quick, local inspection. They help reveal type, nullability, duplicates, ranges, and shape before you choose a database, schema, or deeper analysis workflow.
Tools in this collection
Browse pasted or uploaded CSV as a paginated table.
Inspect nested JSON in a readable structure.
Generate repeatable records from a field schema.
Turn tabular data into SQL INSERT statements.
Infer a starting JSON Schema from example documents.
Practical guides
Use type, null, duplicate, and outlier signals before deeper analysis.
Continue exploring
Log tools
Treat structured logs as data while preserving incident context.
DevOps tools
Prepare configuration for data services and jobs.
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