Excel Cleaner

Upload a messy spreadsheet. Get a clean one in seconds. Your data never leaves your browser.

100% client-side

Works with .xlsx & .csv

No account needed

Free forever

Drop your file here

Drag & drop an .xlsx or .csv file, or click to browse

Supports .xlsx, .xls, .csv — max 50MB

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Cleaning operations

Analysing file…

Preview of changes

Select a file to get started

✅

Your file is ready!

All selected cleaning operations applied.

How it works

Drop any .xlsx or .csv file. It stays entirely in your browser — nothing is sent to a server.

Select from 8 cleaning operations. Toggle only what you need — you're always in control.

Preview changes, then download your clean .xlsx file. Takes seconds, not minutes.