Free PDF reader.

Read a PDF on any device, any time.
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You’ve got the files, we’ve got the tools.
Try Lumin’s free PDF reader tool.

  • Read files from anywhere

    Read files from anywhere

    We know you’re not always desk-bound. Lumin will automatically sync with your mobile or tablet app, meaning you can review and read your files wherever you are.

  • Personalize your PDFs

    Personalize your PDFs

    Use our suite of digital annotation tools to highlight, comment on, draw or add images to your PDF documents. Whatever you need us for, you can action it with Lumin.

  • Read PDF files from Google

    Read PDF files from Google

    Open and read PDF files directly from Google Drive, Gmail, or Classroom. Just click the ‘open with’ dropdown on your file to find Lumin. 

  • Read files from anywhere

    Read files from anywhere

    We know you’re not always desk-bound. Lumin will automatically sync with your mobile or tablet app, meaning you can review and read your files wherever you are.

  • Personalize your PDFs

    Personalize your PDFs

    Use our suite of digital annotation tools to highlight, comment on, draw or add images to your PDF documents. Whatever you need us for, you can action it with Lumin.

  • Read PDF files from Google

    Read PDF files from Google

    Open and read PDF files directly from Google Drive, Gmail, or Classroom. Just click the ‘open with’ dropdown on your file to find Lumin. 

  • Read files from anywhere

    Read files from anywhere

    We know you’re not always desk-bound. Lumin will automatically sync with your mobile or tablet app, meaning you can review and read your files wherever you are.

  • Personalize your PDFs

    Personalize your PDFs

    Use our suite of digital annotation tools to highlight, comment on, draw or add images to your PDF documents. Whatever you need us for, you can action it with Lumin.

  • Read PDF files from Google

    Read PDF files from Google

    Open and read PDF files directly from Google Drive, Gmail, or Classroom. Just click the ‘open with’ dropdown on your file to find Lumin. 

Do more doing with Lumin.
Read PDF files for free.

How to view a PDF with Lumin

  • 1. Sign up or open with Google

    Head to luminpdf.com and create a free account, if you haven’t already. Or open your file directly in Google Drive, Classroom or Gmail, click the ‘open with’ dropdown and select Lumin.

  • 2. Add files

    In document viewer mode simply drag and drop a file from your desktop into your documents and double click to open, or upload from Google Drive or Dropbox.

  • 3. Read away

    Done! You can now view your file, annotate it with our digital toolkit and send, save or auto-sync with Google Drive when you’re ready.

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Frequently Asked Questions

  • Is Lumin free?

    Sure is! Though we do have options for people and businesses wanting to unlock all our features – such as unlimited storage and certain tools only available to Pro users – you can try Lumin Pro free for 7 days, or stay on a Free plan. Discover our plans to learn which one is the right fit for you.

  • How do I use Lumin?

    Lumin works on your browser, or you can download our desktop app and keep Lumin handy on your computer. We’ve also got a mobile and tablet app which includes our most popular features.

  • Can I view my PDF on mobile?

    Yes, absolutely. Lumin has a desktop, mobile and tablet app that syncs all your files and updates so you won’t miss a thing. Our app is compatible with Apple and Android devices.

  • Can I unlock a PDF?

    Yes, Lumin offers an Unlock feature that lets you unlock your PDF documents. Just head to Lumin Tools and navigate to ‘unlock’ to get started.