CSV to XLSX Online Converter

Choose a file to see reliable outputs for JSON and common data formats, plus lightweight text, web, spreadsheet and DOCX conversion.

Processed locally in your browser; data is not uploaded

Features

• JSON conversion with CSV/YAML/XML
• Markdown to HTML/TXT/PDF
• TXT/HTML/Markdown conversion
• CSV and XLSX conversion
• Local browser processing

FAQ

Are files uploaded?

No. Reading and conversion happen in your current browser.

Why is PDF to DOCX unavailable?

It requires a large engine and has poor browser-side fidelity, so it is intentionally excluded.

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