Profile CSV, Parquet, JSONL, Avro, and SQLite datasets and infer schema.
About this tool
Understand any dataset in seconds. Profile CSV, Parquet, JSONL, Avro, and SQLite data to infer JSON Schema, detect drift and anomalies, and measure nulls and cardinality — a fast data-quality check in the browser.
What it does
- Profile CSV, Parquet, JSONL, Avro, and SQLite datasets
- Infer JSON Schema automatically
- Detect drift and anomalies
- Measure null rates and cardinality
- Quick data-quality reporting
Repository
chayprabs/dataset-profile-tool
Source code, issues, and releases
Spotted a bug or have an idea?
This tool is built in the open and shaped by feedback. If something feels off — or you want a feature — I read every message.