Unlock PDFs with Lumin.

Unlock a PDF with Lumin Tools’ advanced document features.

Brands that choose us

  • Tiktok
  • Uber
  • Tesla
  • Netflix
  • salesforce
  • airbnb

You’ve got the files, we’ve got the tools.
Try Lumin’s free PDF unlocker tool.

  • Drag, drop & unlock

    Drag, drop & unlock

    Drag and drop your important documents straight into the Lumin Tools' online PDF unlocker, to gain access almost instantly. Password protected? Not a problem, our tool will wipe it.

  • Security first

    Security first

    Protect your files by sending them to the recipient via Lumin or start a Circle within your Lumin account to keep important documentation strictly confidential.

  • Go further with Lumin Tools

    Go further with Lumin Tools

    Once you’ve gained access to the files you need, use Lumin Tools to extract the pages you want, compress your documents together, or convert your document into a different file type before sending it.

Do more doing with Lumin.
Unlock PDFs for free.

How to unlock a PDF

  • 1. Sign-up

    Head to tools.luminpdf.com, a sub-site of Lumin, and create a free account. Select the ‘Unlock’ tool from the toolbar.

  • 2. Add files

    Drag and drop your documents, or upload files from the likes of Google Drive or Dropbox.

  • 3. Download & go

    And you’re done! Your file will be available for you to download and use however you like.

Plans & pricing

Choose the plan that’s right for you


Get Started
  • Access limited features

  • Limited file upload size (20MB)

  • 2 eSignatures

  • Email support


Start Free 7-Day Trial
  • Unlimited editing feature

  • Unlimited uploads

  • Unlimited eSignatures

  • Unlimited page tools

  • No advertising

  • Priority email support

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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.