CSV Viewer
Open, search, sort, and filter any CSV
Drop a CSV file here
or paste below — your file never leaves the browser
Or paste CSV text
| # |
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| No rows match your filters. |
About CSV Viewer
A CSV viewer that doesn't choke
Most spreadsheet apps grind to a halt past 50–100k rows. Toolenza's CSV viewer renders only the rows currently on screen, so a 500,000-row file feels as snappy as a 100-row file.
What you can do
- Search across every column at once
- Sort any column ascending or descending — click the header
- Filter by exact value, contains, empty, or numeric range
- Jump to any row by number
- Export the filtered view back to CSV
How it compares
Unlike upload-based tools, your file is parsed and held entirely in your browser using PapaParse. No server sees a single byte. There are no row limits beyond your browser's memory — most laptops handle 500k+ rows easily.
Frequently asked questions
No. The file is read directly by your browser using JavaScript. It never leaves your computer.
Most modern browsers handle 100–500 MB CSVs comfortably. Beyond that you may want to split the file first using our Split CSV tool.
Use the Excel Viewer tool for .xlsx / .xls files. This one is CSV / TSV only.
PapaParse auto-detects numeric columns so sort and filter work numerically. If you need everything as text, that toggle is on the toolbar.
Embed this tool on your site
Drop a one-line iframe snippet into any blog, lesson plan, or knowledge base. Powered-by-Toolenza link included.
Embed this tool
Paste this snippet into any HTML page. The tool runs entirely in your reader's browser.
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CSV Viewer
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