MUO on MSN

I cleaned up a messy imported spreadsheet in minutes using an Excel tool I'd ignored for years

You don't need to fear imported spreadsheets anymore.
GitHub

A lightweight, client-only spreadsheet web application. All data persists in the URL hash ...

Click & Drag - Select rectangular ranges by dragging Shift+Click - Extend selection from anchor point Shift+Arrow - Extend selection with the keyboard Visual Feedback - Selected cells highlighted with ...