CSV validator


Your can also drag and drop your CSV here.

CSV format settings

Error lines

CSV validator allows to validate CSV file Online. You can test your CSV easily and quickly.

User guide

How to check CSV file:

  • First, Drag and drop or Browse your CSV file.
  • Secondly, Set options.
  • Finally, you must click on "Check" button to display the result.

CSV checker

CSV, or Comma-Separated Values, is a common file format used for storing and exchanging data. It consists of a plain text file where each line represents a row of data and each value within the row is separated by a comma. CSV files can be easily created and edited in most spreadsheet applications, making them a popular choice for data exchange between different programs and platforms.

They can be easily processed by computer programs using simple parsing techniques. Despite their simplicity, CSV files can be used to store large amounts of data.

Manual error checking of CSV files can be laborious especially for large files.Checking a file of several million lines is not feasible manually...

This online tool allows you to quickly and easily validate your CSV files with just a few clicks. Your CSV files are checked for errors and inconsistencies.

This online validator checks the number of columns (optional), double quotes, ...

Your files are not uploaded to our server, they are analyzed directly in your browser.

This tool uses PapaParse library.

You can report a bug or give feedback by adding a comment (below) or by clicking "Contact me" link (at the top right hand corner of the page).