CSV Viewer

Preview CSV data as a readable table with delimiter support.

What this tool does

Preview CSV content as a readable table directly in your browser, including support for comma, semicolon, tab, and pipe delimiters.

Tool interface

CSV Input

Preview

Paste CSV and click Preview CSV.

Example input

id;name;city
1;Ana;Melbourne
2;Bob;Sydney

Example output

id | name | city
1  | Ana  | Melbourne
2  | Bob  | Sydney

Step-by-step instructions

  1. Paste CSV data into the input panel.
  2. Select delimiter: comma, semicolon, tab, or pipe.
  3. Click Preview CSV to render a table.

Common use cases

  • Preparing CSV exports for reliable imports into other systems.
  • Fixing spreadsheet data before reporting or analysis.
  • Converting CSV records into JSON, SQL, or other formats.

Useful for quick sanity checks before imports, transformations, and data-sharing workflows.

Common mistakes to avoid

  • Using the wrong delimiter for the source file.
  • Leaving delimiter set to comma for semicolon-separated exports.
  • Expecting CSV Viewer to mutate data; it is a preview tool.

Frequently Asked Questions

Which delimiters does CSV Viewer support?

comma, semicolon, tab, and pipe.

Can CSV Viewer handle large files?

It previews up to a practical row limit for browser readability.

Does CSV Viewer edit or clean data?

No. It previews rows and columns without transformation.

What input format does CSV Viewer expect?

Use CSV-like tabular input, typically with a header row first.

What does CSV Viewer output?

It returns transformed output that you can copy directly from the result panel.

Why might CSV Viewer return an error?

A common issue is: Using the wrong delimiter for the source file.

Does CSV Viewer run in the browser?

Yes. Transformations are designed for in-browser usage so you can test and iterate quickly.

Can I copy or download results from CSV Viewer?

Yes. You can copy transformed output directly from the tool.

Related tools

Related guides

Browse all DataToolbox guides for more workflows.

Related categories

Looking for other utilities in this area? CSV Tools, Developer Data Tools