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CSV Viewer Online

Open a .csv file or paste CSV text to inspect every parsed row, understand its columns, filter and sort the table, and download the active view.

More CSV tools

Start with CSV, finish with the file you need

Sample CSV filesDownload or inspect three documented fictional datasets.Merge CSV filesCombine matching files or explicitly union different headers.CSV to JSONCreate an indented array of objects with stable keys.CSV to TSVCreate safe tab-separated text with correct quoting.CSV to ExcelCreate a real .xlsx workbook while preserving text values.CSV to ParquetCreate a real columnar Parquet file with string columns.

See the whole table

Virtualized rows keep large CSV tables practical to explore.

Understand each column

Inspect inferred types, empty cells, unique values, and examples.

Export what you see

Filters and sorting carry into a spreadsheet-safe CSV download.

How it works

A table, not a wall of text

CSV stores a table as plain text: each record is a line and each field is separated by a delimiter. Quoted fields can contain commas, quotes, and line breaks, which makes raw files difficult to inspect safely in a text editor.

This viewer detects common CSV delimiters, keeps quoted content together, gives ambiguous headers stable labels, and pads uneven rows into a consistent table. Your source header text is retained when you export the active view.

Privacy by design

Your selected data is processed locally

File and paste parsing, filtering, sorting, schema inspection, and export happen in this browser tab. The site does not receive the selected or pasted contents. Standard page and sample requests still reach the web server, so we describe the boundary precisely rather than claiming the entire page works offline.

Plain answers

CSV viewer questions

How do I open a CSV file?+

Drop or choose a .csv file up to 50 MB, paste CSV text, or open the sample. The viewer reads the content in this browser tab and shows it as a table.

Does this CSV viewer upload my file?+

No. Selected and pasted CSV contents are parsed in your browser and are not uploaded to this site. Normal page and sample-file requests still reach the web server.

What is the CSV file-size limit?+

The viewer accepts selected or pasted CSV input up to 50 MB. Parsing can use more memory than the original file, so available browser memory can still limit unusually wide datasets.

Can I sort and filter CSV rows?+

Yes. Filter any column, then select a column heading to sort ascending or descending. The row counter shows how many rows remain in the active view.

Can I download filtered CSV data?+

Yes. Export active view downloads the visible filtered and sorted rows as a new CSV. Formula-like values are kept as text for safer spreadsheet opening.

Can I merge files or convert CSV here?+

Yes. Dedicated tools merge CSV files or convert CSV to JSON, TSV, Excel, and Parquet locally. Cell editing and AI analysis are not included.