Tiny Toolkit

CSV Cleaner

Upload a messy CSV and automatically remove completely empty rows, strip columns where every cell is blank, and trim stray whitespace from all remaining cells. Dirty CSVs are common when exporting from CRMs, spreadsheets, and database tools — this cleaner fixes them in seconds. Download the result or copy it straight to your clipboard.

All processing happens in your browser. No data is sent to any server.

Frequently Asked Questions

What does the CSV cleaner remove?
It removes completely empty rows, columns where every cell is empty, and trims leading and trailing whitespace from each cell value.
Will it change my delimiter or quote character?
No — the output uses the same comma delimiter as the input, with fields quoted only where necessary.
Can I download the cleaned file?
Yes — click Download to save the cleaned CSV directly to your device.

Related Tools

CSV Viewer

Paste CSV data and view it as a sortable, formatted table instantly in your browser.

JSON Validator

Validate JSON syntax with line-level error reporting. For valid JSON, shows root type, nesting depth, total key count, and array length.

JSON Minifier

Minify JSON by removing all whitespace. Shows bytes saved and compression percentage.