Unlock PDFs with Lumin.Unlock a PDF with Lumin Tools’ advanced document features.
Brands that choose us
You’ve got the files, we’ve got the tools.
Try Lumin’s free PDF unlocker tool.
Drag, drop & unlock
Go further with Lumin Tools
Do more doing with Lumin.
Unlock PDFs for free.
How to unlock a PDF
Plans & pricing
Access limited features
Limited file upload size (20MB)
Unlimited editing feature
Unlimited page tools
Priority email support
Nov 05, 2021
How to secure your documents online
Security breaches can be devastating for businesses, whether it involves sensitive customer information being held ransom or used to provide competitors with an advantage. Sensitive data leaks can harm or even destroy a company's brand through the loss of customer trust, or through any fines accrued by the failure to abide by compliance frameworks.In this article, we outline processes you can follow to keep your documents and sensitive information safe.Read more How to secure your documents online
Mar 18, 2022
Here's what you get with Lumin PDF.
Edit, view, share and collaborate with Lumin, a comprehensive solution for document editing, cloud collaboration, and project management - all from one intuitive, user-friendly interface.Read more Here's what you get with Lumin PDF.
Nov 08, 2021
All You Need to Know About Cloud Document Collaboration
If you said to the average person twenty, or maybe even ten years ago that you work on the cloud, they would have had no idea what you were talking about. But now many people do just that. Cloud based collaboration is the new norm. This is where people work simultaneously at any time online. This may be across particular documents, collaborative tools, or anywhere data is stored in the cloud. There are now a host of cloud collaboration services out there, and a lot of things to consider when adopting them. This article explains what cloud document collaboration is, highlighting some advantages and challenges that adopting this approach can bring, and suggests some useful cloud collaboration solutions.Read more All You Need to Know About Cloud Document Collaboration
See why over 70 million people choose Lumin
Frequently Asked Questions
What is Lumin vs Lumin Tools?
Lumin Tools is a sub-site of Lumin, hosting more advanced editing features such as the PDF Unlocker tool, OCR reader, Convert, Compress and more. Both sites are completely free to use.
Can I just unlock a PDF and go?
Yes, absolutely. You do need to create a Lumin Tools account, but it’s free and easily done in just one step. You’ll have a range of other PDF features at your disposal too, should you choose to explore them.
Can I unlock a password-protected file?
Yes, if you’ve forgotten the password or are having trouble accessing Lumin’s Unlock tool will grant you access to locked files.
Can I lock a file?
No, this feature is only available for unlocking previously locked files. You can’t use it to lock a file for sending, but we do offer a secure platform for sending and sharing files as well as the compress tool for downsizing larger files to avoid corruption.