LockedZips FAQ
Everything you need to know about safety, supported formats, limits, and browser compatibility.
Frequently Asked Questions
Q: Is my data safe when I process files here?
A: Yes. LockedZips is a 100% client-side application. All file processing, encryption, and extraction happen directly in your browser. Your files and passwords are never uploaded to any server, and we have zero access to your data.
Q: Which archive formats are supported?
A: Create password-protected archives: ZIP. Extract encrypted archives: ZIP, RAR, and 7Z. All operations are handled instantly in your browser.
Q: Are there file size limits?
A: There are no hard server-side limits. The maximum file size depends on your device memory and browser. Chrome and Firefox usually handle around 500 MB to 2 GB comfortably. For very large archives, a desktop computer is recommended.
Q: Do I need to know the password to extract files?
A: Yes. LockedZips is not a password cracker. You must enter the correct password to unlock encrypted files.
Q: Is the tool completely free?
A: Yes. LockedZips is 100% free with no registration, no ads, and no hidden fees.
Q: Which browsers are supported?
A: Any modern browser, including Chrome, Firefox, Safari, and Edge. It works best on desktop but also functions on mobile.
Q: Can I use LockedZips on mobile devices?
A: Yes. The tool is fully responsive and works on iOS and Android browsers.
Q: How do I create a password-protected ZIP file?
A: Select your files, enter a strong password, and click Protect. The ZIP file is generated instantly in your browser.
Q: What if I forget the password?
A: Unfortunately, forgotten passwords cannot be recovered. Always keep a secure record of your passwords.
Q: Is there a limit on how many files I can process?
A: No daily or monthly limits. You can use the tool as often as needed.