View, sort, filter, edit, and export CSV files instantly in your browser. Upload a file or paste CSV text to get started.
100% Client-SideNo UploadFree ForeverNo Sign-up
Drop a CSV file here or click to browse
or tap to browse
OR paste CSV text
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Frequently Asked Questions
Yes, NebulaTool's CSV Viewer & Editor is 100% free with no usage limits. There is no sign-up required and you can use it as many times as you need.
No. All CSV parsing and editing happens entirely in your browser. Your files never leave your device. No data is sent to any server.
There is no hard file size limit. The tool processes CSV data in your browser, so it can handle large files depending on your device's available memory. Most files up to 10MB work smoothly.
Yes. Click any cell in the table to edit its value inline. You can also add or delete entire rows and columns, then export the modified data as a new CSV file.
The tool supports four delimiters: comma (,), tab, semicolon (;), and pipe (|). You can switch between them using the delimiter dropdown in the toolbar.