Free Online CSV Viewer
View and preview CSV files as a sortable, formatted table — upload or paste CSV data instantly.
Drop your CSV file here
or click to browse
How to convert
- 1
Upload your CSV file by dragging it onto the drop zone, or paste CSV data into the text area.
- 2
Your data appears as a clean, formatted table automatically.
- 3
Click any column header to sort the data in ascending or descending order.
Features
- 100% private — data never leaves your browser
- No file uploads to any server
- No signup or account required
- Free with no usage limits
- Sortable columns — click headers to sort
- Clean formatted table display
- Full UTF-8 and special character support
- Works on any device with a modern browser
What is a CSV Viewer?
A CSV Viewer lets you open and preview CSV (Comma-Separated Values) files as formatted tables without installing spreadsheet software. This tool renders your CSV data in a clean, sortable table directly in your browser — perfect for quick data inspection.
When to convert?
Use a CSV Viewer when you need to quickly inspect CSV data, verify column headers, check data quality, or preview a file before importing it into a database or spreadsheet application.
Frequently asked questions
Is my data safe when viewing CSV files?
Yes. The CSV file is processed entirely in your browser. Your data is never uploaded to any server.
Can I sort and filter the data?
Yes. Click on any column header to sort the table by that column. Sorting toggles between ascending and descending order.
Is there a row limit?
There is no hard limit, but very large files (100,000+ rows) may be slow to render in the browser. The tool works best with files under 50,000 rows.
Can I edit the data?
No. The CSV Viewer is read-only. To edit CSV data, open it in a spreadsheet application like Google Sheets or Microsoft Excel.
Need to open CSV files in Google Sheets with a single double-click?
CSVtoSheets is a Mac app — double-click any CSV, XLS, or XLSX to open it in Google Sheets instantly.
Download for Mac — Free TrialNo credit card required