Data preparation

Data Cleanup

Clean lists and tabular data by trimming values, removing duplicates, and standardizing entries.

Open this tool now

Opens the tool directly. Your work stays in your browser.

Private by design: Processing happens locally in your browser, so your text and data stay on your device.

What it does

Prepare messy text and CSV-style values for reuse with quick operations that preserve your original input.

Good for

  • Remove duplicate rows or values
  • Trim whitespace and normalize entries
  • Prepare lists and exports

Frequently asked questions

Does the tool send my input to a server?

No. The tool processes your input locally in your browser.

Can I use it without installing anything?

Yes. Open this page in a modern browser and use the tool directly.

Where does processing happen?

Processing runs on your device in the browser.