CSV Schema Inferencer
Profile CSV columns and infer likely value types, blank counts, uniqueness and candidate key columns locally.
Open CSV Schema Inferencer →What it does
- Infers integer, number, boolean, ISO date, text or empty columns
- Counts blanks and unique non-blank values
- Flags columns that may be candidate keys
- Processes pasted CSV only in your browser
Example use
Inspect an unfamiliar CSV before importing it into a database, spreadsheet model or pipeline.
How to use it
- Open the AllStoic tool using the button above.
- Paste or select the data required by the tool.
- Choose the available options and run the calculation or transformation.
- Review the result before copying or downloading it.
Privacy
This tool processes its working input locally in your browser. AllStoic does not intentionally upload the tool input for processing. Normal website and network infrastructure may still process ordinary connection metadata needed to deliver and protect the site.