CSV Viewer Online — Open, Sort & Filter CSV Data for Free
View, sort, filter, and analyze CSV data.
Click to upload or drag and drop
CSV or TSV files
or
Privacy first: This tool runs entirely in your browser. Your data never leaves your device.
Open and explore CSV files in a clean, interactive table directly in your browser. Sort any column, filter rows by keyword, and inspect large datasets without needing Excel or Google Sheets. Your data never leaves your device — all processing is local.
How to Use CSV Viewer
- Upload your CSV file: Click "Choose File" or drag your CSV onto the upload area, or paste CSV text directly.
- Browse the table: Your data appears in a scrollable table with auto-detected column headers.
- Sort and filter: Click any column header to sort, or use the search box to filter rows by keyword.
Features
- Opens CSV files of any size in a readable table
- Sortable columns with a single click
- Keyword filtering across all columns
- Handles common delimiters (comma, semicolon, tab)
- Runs entirely in your browser — no server upload
- Free with no account required
Common Use Cases
Data analysts, marketers, and developers frequently use CSV viewers to quickly inspect exported data from databases, CRM systems, or analytics platforms without opening a full spreadsheet application. It is ideal for a rapid sanity-check of exported data.
Frequently Asked Questions
- What is the maximum file size I can open?
- There is no fixed limit, but very large CSV files (hundreds of megabytes) may be slow to load depending on your device's memory.
- Does it support tab-separated (TSV) files?
- Yes. The viewer automatically detects common delimiters including commas, semicolons, and tabs.
- Is my data uploaded to a server?
- No. Your CSV file is read and processed locally in your browser. No data leaves your device.
- Can I edit cells in the CSV viewer?
- The CSV viewer is primarily a read-only tool for inspecting and filtering data. For full editing, consider exporting to JSON and using a dedicated editor.