Demo — Data ergonomics

Dillon's Data Cleaner

Drop in CSV or XLSX files, normalize null-like cells, and fix column headers before data ever reaches your warehouse or notebook.

Everything runs locally in your browser—perfect for quick sanity checks before the data hits a warehouse or notebook.

Start cleaning

Drop a CSV or XLSX

Dillon's Data Cleaner runs locally—perfect for polishing extracts before they touch a warehouse, dashboard, or notebook.

  1. 1. Choose a CSV or XLSX file.
  2. 2. Toggle the cleanups you need.
  3. 3. Run the transformation and download the cleaned file.

No files leave your browser.