Excel & CSV Tools

Fast, private spreadsheet tools that run entirely in your browser. No sign-up required.

100% private. Your files are processed locally and never uploaded.

📊Free

CSV to Excel

Convert CSV files to .xlsx instantly in your browser.

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📋Free

Excel to CSV

Convert Excel spreadsheets to CSV files in your browser.

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🔄Free

Excel to JSON

Convert Excel spreadsheets to JSON with headers as keys.

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✂️Free

Split Excel by Sheet

Split a multi-sheet Excel file into separate files.

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