totonode.app
Free · No sign-up · No file uploads

Tidy up your data,
without the hassle.

CSV files that look garbled in Excel, inconsistent text, and duplicate rows. Clean up your data quickly in your browser.

Fix garbled CSV text →
🔒 Your files are never uploaded to a server
TOOLS

Start with what you need

Pick a common task to get started. The rest of the tools are free too.

7 free tools
CSV

CSV Encoding Converter

Convert between UTF-8, UTF-8 with BOM, and Shift_JIS

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CSV

Remove Duplicate and Blank Rows

Clean up duplicate rows and extra whitespace in CSV files

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TEXT

Full-Width and Half-Width Converter

Normalize Latin characters, numbers, and Japanese text

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More handy tools

Choose what fits your workflow
CSV EditorView and edit CSV data in your browserMerge CSV FilesCombine CSV files by matching column namesCompare CSV FilesFind rows added to or removed from a CSVBASE Product CSV CheckCheck common product CSV issues before importing

Encoding detection is an estimate. Back up important data and review the converted file before using it.