UseCase Solution
Privacy-First Local Processing (No Uploads)
Your files stay on your device. Cleaning happens in-browser.
100% Local Processing
Up to 10M Rows
Instant Results
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The Problem
Sensitive lists and records cannot be uploaded to third-party tools due to compliance and privacy requirements.
Our Solution
SheetCleaner runs in your browser. File contents are not uploaded, and you control exports.
Key Features
Features optimized for this use case
File contents are never uploaded
In-browser local processing
Continue offline after load
No registration required
Manual export for full control
Built for sensitive data
How It Works
Complete data cleaning in three simple steps
Open the Page
Use directly in your browser
Process Locally
Import and clean your data
Export Results
Download cleaned files
FAQ
Common questions about this use case
No. Cleaning and dedup happen locally in your browser.
Yes. After loading, you can disconnect and continue.
File contents are not stored. Closing the page clears local processing data.
No. It works directly in the browser.
Ready to Clean Your Data?
100% free. 100% local. Your data never leaves your browser.