Data analysis tools

CSV visualizer

Parse CSV locally in your browser, auto-detect delimiter/header, and see row/column stats, inferred column types, table preview, and a lightweight line chart for quick data inspection.

Paste CSV or upload file

First row is header Delimiter

Stats

Paste or upload CSV to begin.

Table preview

Preview shows at most first 500 rows to avoid UI lag.

Quick chart

X axis Y axis (numeric column)

Note: this is a lightweight local visualization (up to 2000 points). For advanced charting, export the data to a dedicated tool.

How to use

Paste CSV data or upload a file into the input area.
The tool auto-detects delimiter and headers (manual adjustment available).
Stats like row/column counts and numeric columns appear instantly.
Table preview and a simple line chart are shown below.
Select X and Y axes to customize the chart view.

Tips

Preview is limited to the first 500 rows for performance.
The chart handles up to 2000 data points for quick trend analysis.
All processing happens locally in your browser for privacy.

SQL Formatter

SQL Formatter

Format SQL queries with smart line breaks and indentation, optional uppercase keywords, and fully local processing with no uploads.

Random Birthday Generator

Random Birthday Generator

Random birthdays by age/date range with age and zodiac.

$CSV \u2194 Excel converter$

CSV \u2194 Excel converter

Convert between CSV and Excel locally in your browser with auto delimiter detection and header handling, no uploads.

CSV to YAML

CSV to YAML

Turn tabular CSV data into YAML structures locally in your browser, with configurable delimiter and header row.

Metadata Editor

Metadata Editor

Edit Word/Excel/PDF document metadata such as title, author, dates, keywords, company and manager fully in your browser with no uploads, suitable for privacy cleanup before sharing.

Excel merger

Excel merger

Merge multiple Excel workbooks locally, either keeping sheets as tabs or combining all data into a single sheet and downloading a new file.