Sheet Army Knife
The fastest, easiest, and most secure way to clean your spreadsheet data, and make it safe to use with any AI tool.
5x faster than Excel & Sheets
Fix formatting issues, remove duplicate records, trim whitespace, and complete other common data cleaning tasks in seconds with just a few clicks.
100% local data processing for privacy
Sheet Army Knife runs entirely on your machine AND anonymizes sensitive data so you can safely use AI tools without exposing private information.
500,000 maximum row capacity
Quickly clean large files that would freeze or crash in Excel or Sheets.
A plan for everyone
The free version of Sheet Army Knife lets you clean spreadsheets with up to 1,000 rows.Our paid plans include...
Standard
$9/mo
Anonymize spreadsheet data so you can safely upload it and use it with AI tools, and then restore the original values when you're done
Anonymize and restore data in PDF documents up to 20 pages (coming soon)
Clean data in spreadsheets with up to 100,000 rows
Easily remove matching records across multiple spreadsheets
Google Drive & other integrations (coming soon)
Pro
$19/mo
Everything in Standard, along with...
Anonymize and restore data in PDF documents up to 50 pages (coming soon)
Clean data in spreadsheets with up to 500,000 rows
Browser warnings and automatic data anonymization when uploading files to AI tools (coming soon)
...with more on the way
We're continuing to add more features to the Standard and Pro Plans.Looking to buy multiple licenses for your team?
Need to clean more than 500,000 rows?
Have features you want to see?Contact us below.
Contact Us
© 2025 Sheet Army Knife. All rights reserved. A Madapup Company.
PRIVACY POLICY FOR SHEET ARMY KNIFELast updated: 7/23/2025WHAT DATA WE COLLECT:
- None. All file processing happens locally in your browser.HOW WE USE YOUR DATA:
- Your files never leave your device
- No data is sent to our servers
- License validation sends only license keys to LemonSqueezy (our payment processor)DATA STORAGE:
- Files are processed temporarily in browser memory only
- License information stored locally in Chrome sync storage
- No permanent data storage on external serversTHIRD PARTY SERVICES:
- LemonSqueezy: For license validation only (license keys)
- No analytics, tracking, or advertising servicesCONTACT:
Email: [email protected]Your privacy is important to us. This extension is designed to keep your data private and secure.
Thank you!
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