Local-first · No account required
Work with tabular data,
right in your browser
Paste a spreadsheet, upload a CSV, or drop an Excel file. Transform it, analyze it, chart it, and export to the format you need — HTML, PDF, Excel, JSON, and more.
18 tools, one workflow
How it works
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1
Paste or upload
CSV, TSV, JSON, Excel, or pipe-delimited text. Drag-and-drop supported.
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2
Configure
Pick separators, trim cells, filter rows, choose columns, or set chart options.
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3
Export or share
Download files, copy to clipboard, or open exports in a new tab.
Runs locally
Data stays in your browser — nothing is sent to a cloud service.
Flexible parsing
Auto-detect delimiters or set custom column and row separators.
Draft recovery
Your work is saved to localStorage so you can pick up where you left off.
Light & dark
Theme preference syncs across all DataTools apps.