CSV Analyzer
Drop a CSV to see column stats, data types, null counts, unique values, distributions, and a sortable/filterable preview.
How to use the CSV Analyzer
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Drop a CSV file or paste CSV content.
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Review the column statistics.
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Sort and filter the preview to explore.
Why analyze CSV data?
Before you import a CSV into a database or write code, you need to understand its shape. This analyzer profiles each column automatically — types, missing values, distributions — so you don't have to write one-off scripts. All parsing is local: your data never leaves your device.
Key features
- Auto-detects data types per column
- Shows null count, unique count, min, max, mean
- Sortable and filterable data preview
- Streaming parser handles large files
Frequently asked questions
Does it handle large CSV files?
Yes — it uses streaming parsing (Papa Parse) and handles files up to your browser's memory limit, typically 50-100 MB.
Is my CSV data uploaded?
No. All parsing and analysis runs entirely in your browser.
What delimiters are supported?
Auto-detect for comma, tab, semicolon, and pipe. You can override manually.