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CSV Formatter & Table Viewer

Paste CSV data and instantly see it as a formatted table. Supports comma, semicolon, tab and pipe delimiters with automatic header detection.

Delimiter:
Input
Output
Ready — paste your input and click Format
Try a sample: Users Table Products Sales Data
📊 Stats
—
Rows
—
Columns
—
Total Cells
—
Size
⌨️ Shortcuts
Ctrl+EnterFormat CSV
Ctrl+Shift+CCopy output
Ctrl+LClear all
TabInsert indent in editor
💡 Tips
📊
Header row — the first row is treated as column headers and highlighted.
🔤
Quoted fields — values with commas or newlines should be wrapped in double quotes.
↔️
Auto-delimiter — change the delimiter dropdown if your data uses semicolons or tabs.
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100% private — all processing runs in your browser. Nothing is uploaded.

What is a CSV Formatter?

A CSV formatter parses comma-separated values and displays them in a clean, aligned table view. It handles quoted fields, multiple delimiters, and messy data — making it easy to inspect the structure of any CSV file before importing it into a database or spreadsheet.

CSV Best Practices

  • Always include a header row as the first line with descriptive column names
  • Wrap values containing commas or newlines in double quotes
  • Use consistent encoding (UTF-8) for international characters
  • Avoid trailing commas at the end of rows

Frequently Asked Questions

The CSV Formatter supports comma (,), semicolon (;), tab (\t), and pipe (|) as delimiters. Select the correct one from the Delimiter dropdown before formatting. European spreadsheet software (Excel, LibreOffice in some locales) often exports with semicolons.
Fields wrapped in double quotes are parsed correctly, including those that contain the delimiter character or newlines. A double quote inside a quoted field should be escaped as two consecutive double quotes ("").
Yes, but very large files (100,000+ rows) may be slow in the browser. For large files, consider using Python's pandas library or command-line tools like csvkit.
Done!

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About This CSV Formatter & Viewer

Writing clean, consistently indented code is essential for readability and maintainability — but manually formatting CSV Viewer can be tedious and error-prone. This free online CSV Formatter & Viewer instantly reformats your raw or minified CSV Viewer into properly indented, human-readable code with just one click.

How to use

  1. Paste your CSV Viewer code into the input box on the left.
  2. Click Format (or press Ctrl+Enter).
  3. Copy the formatted output from the right panel.

Why use this tool?

This tool is especially useful for developers working with API responses, debugging production builds, or reviewing third-party CSV Viewer code.

Frequently Asked Questions

Is this CSV Formatter & Viewer free to use? +
Yes, completely free. No signup, no account, no payment required. Just paste your input and use it directly in your browser.
Does this tool store or send my data anywhere? +
No. Everything runs entirely in your browser using JavaScript. Your data never leaves your device or gets sent to any server.
What browsers does this tool support? +
It works in all modern browsers — Chrome, Firefox, Safari, Edge, and Opera — on both desktop and mobile.
Can I use this tool offline? +
Once the page is loaded, the tool runs locally in your browser without needing an active internet connection for most operations.
🔧
Custom Development

Need a Custom Version of This Tool?

This CSV Formatter & Viewer works for most use cases — but if you need batch processing, API access, private hosting on your own domain, or a completely bespoke tool built around your workflow, I can build it.

Request Custom Build → Typical turnaround: 3–7 days