How to Link a QR Code to a PDF (Free, in 3 Steps)

A QR code cannot contain your PDF. It contains a link, and the link opens the PDF. So to link a QR code to a PDF, you put the PDF online, copy its link, and turn that link into a QR code.

That sounds like three jobs, but you can do all of it in a few minutes, for free, without creating an account.

How it works

A QR code is just a picture of text. The text is usually a web address. When someone scans it with their phone camera, the phone opens that address.

A PDF file is far too big to fit inside the picture. So the QR code points to a page where the PDF lives. Whoever scans it sees the PDF in their browser, with nothing to download first.

This also explains the most common mistake: people try to "put the PDF into the QR code". That is not possible. You always need a link in between.

The 3 steps

1. Upload the PDF and get a link. Open DropMyPage and choose Upload file, then pick your PDF. You can also use the PDF to QR code tool, which does the upload and the QR code in one go. The free plan accepts PDFs up to 5 MB and needs no sign-up.
2. Create the link. Tap Create link. You get a short link to your PDF and a QR code for it.
3. Download the QR code and use it. Save the QR image, then add it to your poster, flyer, menu card, slide or business card.

If your PDF is bigger than 5 MB, compress it first (most PDF tools and many design apps have an "export smaller" option), or use a plan with a larger limit. The Pro plan allows files up to 25 MB.

Check it before you print

Never print a QR code you have not tested. It takes one minute:

• Scan it with your own phone camera.
• Check that the PDF opens and is readable on a small screen.
• Try a second phone if you can, and try it on mobile data as well as Wi-Fi.

If the PDF looks tiny or hard to read on a phone, fix the PDF first. A QR code only takes people to the file, and cannot make it easier to read.

Print tips that avoid unreadable codes

These are general rules of thumb. Always test your own printed copy.

• Size. Do not make it too small. A common rule of thumb is at least about 2 cm (0.8 in) wide for scanning from close by, and bigger for posters people read from a distance.
• Contrast. Use dark squares on a light background. Black on white is the safest. Light colors on a dark background, or very low contrast, can fail on some phones.
• Empty border. Leave a blank margin around the code. Do not put text or pictures right against the edge. The QR code generator leaves a margin by default, so keep it when you place the image.
• No stretching. Keep the code square. Do not squash it to fit a layout.
• Flat, matte surface. Glossy paper and curved surfaces can cause glare. If you must use gloss, test it under real lighting.

If a printed code will not scan, see QR code not scanning? 9 fixes that actually work.

What happens when you update the PDF?

This is the question people forget to ask before printing a hundred copies.

The QR code does not change. It always contains the same link. What can change is whether the link still works, and what it shows.

On DropMyPage:

• Free links last 7 days. After that the page is deleted and the link stops working. That is fine for something you share this week, but not for a printed menu or poster.
• Permanent links are a Pro feature. With Pro (Monthly $9.99, Yearly $47.99, or Lifetime $59), links never expire. You can also replace the PDF and keep the same link and QR code, so your printed copies show the new version. Prices and features can change, so check the pricing section.

If you print the code, use a permanent link. If you only need it for a day or a week, the free plan is enough.

Other options

You do not have to use DropMyPage. A PDF can also be put online in a cloud storage service or on your own website, and then you can turn that link into a QR code with any QR generator. Check each service's own help page for its current sharing and file limits, because they change.

The main thing to watch for is the link settings. Make sure the link opens for people who are not signed in to your account, and test it in a private browser window.

If you are making a QR code for a restaurant, see how to make a QR code for a restaurant menu. To turn a PDF into a link without the QR code, read PDF to link.

Common problems

• The QR code scans but shows "page not found". The link has expired or was deleted. On the free plan, links last 7 days.
• The PDF will not open. Test the link in a private window. It may be set to private, or the file may be too large for your phone.
• The code will not scan. It is probably too small, too low in contrast, or has no empty margin around it.
• The PDF is hard to read on a phone. Use a larger font and a single column. Wide, dense pages are difficult on small screens.

FAQ

Can a QR code store a PDF inside it?

No. A QR code holds only a small amount of text, such as a web address. It points to the PDF online.

Do I need an account?

Not for a free link on DropMyPage. Some other services ask you to sign up first.

Can I change the PDF later without changing the QR code?

Yes, if the link stays the same. On DropMyPage, replacing the page and keeping the same link and QR code is a Pro feature. On the free plan, you upload the new version and get a new link and a new QR code.

Is the PDF private?

Anyone who has the link or scans the code can open the file, so do not share anything private this way. Pro lets you set a password on a page.