How to use Excel & CSV Cleaner
Upload CSV or XLSX, select a worksheet and review up to 100 preview rows. Choose cleanup options and download CSV. Maximum: 5 MB, 5,000 rows, 100 columns and 100,000 cells. Only displayed values are exported; formulas, formatting and macros are not preserved. Dangerous spreadsheet formula prefixes are escaped.
- Select the file or enter the values you want to process.
- Choose the available action or processing option.
- Review and download or copy the generated result.
About this tool
Excel & CSV Cleaner is designed for quick everyday use on desktop and mobile devices. Processing happens in the browser for this release, helping keep the experience private, fast and simple.
When to use this tool
Preview XLSX or CSV data, trim cells, remove blank and duplicate rows and export clean data. Use the workspace above for the task, then explore related tools below to continue your workflow.
Common questions
Do I need an account?
No. Excel & CSV Cleaner is available publicly without login or signup.
Where is my data processed?
This utility processes your input in your browser. Download or copy the result when finished. Local browser limits depend on file size and your device. OCR and portrait background removal download third-party runtime/model data before processing; your uploaded image remains on your device.
