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Clean a spreadsheet

Paste cells from Excel or open a CSV. Choose the fixes. You see every change before you take the clean copy.

  • Runs in your browser
  • About 2 minutes
  • Works with Copilot, ChatGPT, Claude and Gemini

Your table

or drop it here
Fixes to make

Your clean table appears here, with every change marked.

Your file is processed in your browser. It is not uploaded to us.

Do it in your own AI

The same job, done in the AI you already use. The instructions fill in with what you typed above. We check for personal data before anything is copied.

Want it running for your whole team? We set it up in the AI your team already uses, test it on your own examples and show everyone how to use it. It starts with a free 20-minute call.

Have it set up for you

How this tool works

Made for office and admin, managers and team leaders, owners and directors.

  • Your file is processed in your browser. It is not uploaded to us.
  • Dates are read the UK way (day first). Values that only make sense the US way are converted and flagged.
  • Nothing is filled in or guessed. Problems it cannot fix are listed for you.

Your AI

We use this to show the right steps in every tool. It is saved in this browser only.

Which AI do you use at work?

This looks like personal data

We found:

The check runs in your browser. It can miss things, such as people's names, so read before you paste.