Excel to CSV
Convert Excel files to CSV in your browser — fast, free and private.
Workspace
ReadyDrop an Excel file
XLSX / XLS — first sheet only
Preview
Could not read spreadsheet
Free online Excel to CSV
Convert Excel files to CSV in your browser — fast, free and private. The Tools4U Excel to CSV is part of our Documents collection of Office utilities. It works online in any modern browser — no download, no sign-up and no file upload, so your data never leaves your device.
How to use
Using Excel to CSV in three steps
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1
Add your input
Paste text, drop a file, or type directly into the workspace.
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2
Run the tool
Choose the options you need and press the action button.
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3
Copy or download
Take the result with one click — nothing is stored anywhere.
Features
Why people use this tool
Instant results
Everything runs locally, so results appear as you type.
Privacy-first
Your input never leaves the browser. No uploads, no logs.
Handles big inputs
Comfortable with large files and long documents.
Always free
No account, no limits, no watermark on results.
FAQ
Frequently asked questions
Is Excel to CSV free to use?
Is my data uploaded to a server when I use Excel to CSV?
Can I use Excel to CSV on mobile?
Do I need to install any software to use Excel to CSV?
Keep going
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CSV Viewer
Open and explore CSV in a readable, collapsible view.
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