CSV Viewer Tool – View and Analyze CSV Files Online

CSV Viewer Tool

Upload, view, analyze, and export your CSV files with ease

Drop your CSV file here or click to browse

Supports CSV files up to 10MB

Lightning Fast Processing

Our advanced parsing engine handles large CSV files instantly, processing thousands of rows in milliseconds with intelligent memory management.

Advanced Search & Filter

Find specific data instantly with real-time search across all columns. Filter results dynamically and highlight matching content for better visibility.

Smart Column Sorting

Sort any column alphabetically or numerically with a single click. Handle mixed data types intelligently for accurate ordering results.

Mobile-Optimized Interface

Fully responsive design that works perfectly on smartphones and tablets. Touch-friendly controls with optimized scrolling for mobile data viewing.

Secure Client-Side Processing

Your data never leaves your browser. All processing happens locally on your device, ensuring complete privacy and security for sensitive information.

Flexible Export Options

Export filtered and sorted data back to CSV format. Maintain formatting and structure while saving only the data you need for further analysis.

Frequently Asked Questions

What file formats does the CSV Viewer support?

The tool supports standard CSV files (.csv) and tab-separated text files (.txt). It can handle files with various delimiters including commas, semicolons, and tabs. The parser automatically detects the delimiter type for optimal compatibility.

What is the maximum file size I can upload?

You can upload CSV files up to 10MB in size. For larger files, consider splitting them into smaller chunks or using data sampling techniques. The tool is optimized to handle files with up to 50,000 rows efficiently in most browsers.

Is my data secure when using this tool?

Absolutely! All file processing happens entirely within your browser using client-side JavaScript. Your data never gets uploaded to any server or transmitted over the internet, ensuring complete privacy and security for your sensitive information.

Can I sort columns with mixed data types?

Yes, the tool intelligently handles columns with mixed data types. It automatically detects whether a column contains numbers, dates, or text and applies the appropriate sorting algorithm. Numbers are sorted numerically, dates chronologically, and text alphabetically.

How does the search functionality work?

The search feature performs real-time filtering across all columns and rows. It supports partial matches and is case-insensitive. As you type, the table instantly updates to show only rows containing your search term, with matching text highlighted for easy identification.

Can I export the filtered or sorted data?

Yes, the export function allows you to download the currently displayed data (after applying filters and sorting) as a new CSV file. This is perfect for creating subsets of your data or sharing specific portions with others while maintaining the original formatting.

Does the tool work on mobile devices?

The CSV Viewer is fully optimized for mobile devices including smartphones and tablets. It features responsive design with touch-friendly controls, horizontal scrolling for wide tables, and optimized font sizes for comfortable viewing on smaller screens.

What browsers are supported?

The tool works on all modern web browsers including Chrome, Firefox, Safari, Edge, and Opera. It uses standard web technologies like HTML5, CSS3, and ES6 JavaScript, ensuring broad compatibility without requiring any plugins or extensions.