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Generate a Data Dictionary from CSV
Create a practical data dictionary from CSV columns, inferred types, and example values.
Problem
A dataset has unclear columns, no documentation, or inconsistent field naming.
What to do
A data dictionary makes handoffs safer. It explains column names, inferred types, examples, and assumptions before a dataset is used elsewhere.
- 1Load the dataset.
- 2Generate column metadata and examples.
- 3Export the dictionary for documentation or review.
Use the browser tool
Data Dictionary Generator is a free, browser-based tool that helps you produce ready-to-use output in seconds. Generate a markdown / CSV data dictionary from any dataset. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.
People also ask
- How do I use Data Dictionary Generator?
- Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Generate a markdown / CSV data dictionary from any dataset.
- Is my data uploaded or stored anywhere?
- No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.
- Is Data Dictionary Generator free?
- Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.