Online Tool Store
Column Type Inferencer
Infer likely column types from sample rows so CSV and table cleanup is easier to plan.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
Browser tool
Column Type Inferencer
How it works
- Enter the values or notes you want to review.
- Review the generated output in the browser.
- Download the result if you need to reuse it elsewhere.
FAQ
What does this tool help with?
It helps you guess likely data types for CSV columns.
Does it send data anywhere?
No. It runs entirely in your browser.
Can I use it right away?
Yes. Paste sample rows and infer types immediately.
How we compare
| Feature | Online Tool Store | Manual inspection | Spreadsheet preview |
|---|---|---|---|
| Browser-only | Yes | Manual | Usually no |
| Quick output | Yes | Manual | Varies |
| Downloadable result | Yes | Manual export | Sometimes |
Use this when you want a quick type guess.