Protect Excel Sheet
Lock the worksheets and the structure of an existing .xlsx without touching its data.
How it works
This utility runs locally in your browser for privacy and speed.
1 ⚡
Unlimited local toolsThis run costs 1 credit(s) and is saved to your history automatically.
Log in to save and view your usage history.
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Frequently asked questions
- Do I get free credits to try Protect Excel Sheet?
- Yes — new accounts get 3 free credits to spend on any tool, Protect Excel Sheet included. After that you only pay for what you run.
- How many credits does Protect Excel Sheet cost?
- Everything runs in your browser and nothing is uploaded: free accounts pay 1 credit per run, and Pro or Pro+ members run it as often as they like.
- Is the content I paste private?
- Protect Excel Sheet uses your input only to generate the result. Stored results are deleted automatically by our retention policy, and you can remove any run from your history.
- Do I need to install anything?
- No. Protect Excel Sheet works in any modern browser — nothing to download or install.
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Unprotect Excel Sheet
1 ⚡Remove sheet and workbook-structure protection from an .xlsx in your browser, without the password.
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1 ⚡Diagnose a damaged .xlsx, fix the parts that can be fixed safely, and download the repaired workbook.