Free online tool

Clean data online - Spreadsheets

Trims spaces and can remove empty rows, columns and duplicate records. Process XLS, XLSX, ODS online and download the result without changing the original.

You have used 0 of 5 free transformations Free transformations remaining: 5

The allowance renews 24 hours after the period begins.

Drop your files here or click to select them from your device Select files Accepted formats: XLS, XLSX, ODS Up to 1 file, 20 MB per file

How to configure the result

Each option controls a specific part of processing. Keep defaults when you do not need to control that aspect.

Trim leading and trailing spaces

Specifies pages, sheets, slides, rows or columns affected by the action.

Remove empty rows

Specifies pages, sheets, slides, rows or columns affected by the action.

Remove empty columns

Specifies pages, sheets, slides, rows or columns affected by the action.

Remove duplicate rows

Specifies pages, sheets, slides, rows or columns affected by the action.

Key columns for duplicate detection

Specifies pages, sheets, slides, rows or columns affected by the action.

Private, temporary processingFiles are deleted automatically after 60 minutes.

Spreadsheets

What Clean data does

Trims spaces and can remove empty rows, columns and duplicate records. The tool validates the selected files and applies only the requested operation and settings. Optimization reduces size or normalizes content while keeping the file useful.

Compatibility and limits

Input formats: XLS, XLSX, ODS
Results: XLSX
Number of files: Minimum 1, maximum 1
Maximum total size: 24 MB

FAQ

Frequently asked questions

It can when lossy compression is used. Defaults aim to balance size and fidelity.

Input supports XLS, XLSX, ODS and can produce XLSX. The selector rejects incompatible extensions before processing.

No. A new result is created and the uploaded file remains unchanged during temporary processing.