Free online tool · read in your browser
CSV viewer online
Drop, choose or paste a CSV file and read it as a clean table: separator and encoding detected, sticky headers, click a column to sort it, type to filter the rows, with the row and column count always in view. The file is read in your browser: this page makes no network request.
- Your file stays on your computer
- CSV, TSV, semicolons, pipes
- Free, no sign-up
CSV viewer online
This viewer runs in your browser: turn on JavaScript to read the file. The page makes no network request.
Drop a CSV file here
or choose a file, up to 20 MB. It is read on this page and stays on your computer.
No file at hand?
Same table, inside VS Code. Novair Sheets opens CSV, Excel and Parquet in one grid, with editing, column statistics and exports. Pro shows what changed between two tables.
Up to 20 MB per file, in your browser. Values are shown as written in the file. For Excel and Parquet files, editing and larger files, use Novair Sheets in VS Code.
How it works
Separator and encoding
Comma, semicolon, tab or pipe is chosen on the first rows; UTF-8 is checked, otherwise the file is read as Windows-1252. Quoted fields with commas or line breaks stay in their cell.
Sort and filter
Click a header to sort (numbers as numbers, text in natural order), click again to reverse. Type in Filter rows to keep the rows that contain the text, in any column.
Nothing leaves the page
The page loads its viewer once, then makes no network request (Content-Security-Policy connect-src 'none'). Nothing is kept after you close the tab.
Need more than a viewer? Novair Sheets for VS Code
Open CSV, TSV, Excel and Parquet files in one fast grid inside VS Code, with the row and column count always in view and no ads, banner or account. Pro matches two tables by key, shows every changed cell and saves the report.
- CSV, TSV, PSV, Excel (.xlsx, .xlsm, .xls), OpenDocument (.ods) and Parquet in one grid, with no Python or other tool to install
- Sort, filter and find across the whole file, including rows off screen
- Edit CSV, TSV and PSV files, and the values of Excel cells, with undo
- Column statistics
Questions
Is my CSV file uploaded?
No. The file is read by this page in your browser; the page is not allowed to make network requests. Close the tab and nothing remains.
How large a file can I open?
Up to 20 MB here. Novair Sheets for VS Code reads large files as a stream on your computer: the first rows show while the rest is read.
Can it open Excel or Parquet files?
Not this online viewer, which reads CSV and TSV. Novair Sheets for VS Code opens .xlsx, .xlsm, .xls, .ods and Parquet in the same grid.
Can I edit the CSV or compare two files?
In VS Code, with Novair Sheets: editing with undo is free, and Pro matches two tables by key and lists every changed cell.