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How to create a mobile-friendly PDF

Creating mobile-friendly PDFs is now easy and takes a few clicks

Amir Shub
February 23, 2026
5 min read
How to create a mobile-friendly PDF

Celero data has shown that 40% of visitors view websites from a mobile device, with email campaigns and messaging campaigns leading to even higher percentages.

Up to this point, organizations were forced to a one-PDF-fits-all approach, or they had to invest in mobile responsive designs.

But why not bring the pixel perfect PDF layout to the web automatically?

How does it work?

After adding a mobile friendly-version, anyone coming from a mobile device will get the mobile content vs the original content you've uplaoded.

Visitors coming from Desktop will continue to see the previous version.

You don't need to share a new link - the same link you've already shared will now be even smarter.

Adding a mobile friendly version

Using the same assets from your existing PDF, you can now create a mobile friendly version and upload it to Celero.

Simply go to your Microsite, and click the "versions" above the preview pane:

Click on the "Mobile" tab at the top and then click  the + sign

Best practices for creating a mobile version

Here are a few common best practices we've collected for creating a mobile-friendly version:

1. Use an iPhone X size base for the pages (1125 x 2436px)

2. Use big fonts, 42pt for the paragraph (text) and titles 54pt or bigger.

3. Leave a 36px margin on the sizes

4. Try to have something visual on the pages, but don't take too much space to minimize scrolling.

5. On specific pages, you can play around with images, icons and different background colors for a more appealing and dynamic look.

We'll be happy to hear your recommendations!

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FAQ: Mobile-friendly PDFs

How Celero serves the right version of your content on phones vs desktop.

Why do I need a mobile-friendly version of my PDF?

A large share of visits come from mobile, and even more from email and messaging. A single desktop PDF often means awkward zooming and scrolling. A dedicated mobile version keeps the layout readable without rebuilding a full responsive site.

How does Celero serve mobile vs desktop content?

After you add a mobile-friendly version, visitors on phones get the mobile content while desktop visitors keep seeing the original. You do not need a new URL. The same link picks the right experience.

Do I have to share a new link for the mobile version?

No. Add the mobile version under Versions on your microsite (Mobile tab). Anyone who already has your link gets the right experience based on their device.

What size should I use for a mobile PDF version?

Use an iPhone X size base (about 1125 x 2436px), larger type (roughly 42pt body and 54pt or bigger titles), and about 36px side margins. Keep visuals focused so pages stay scannable with less scrolling.

Can I update the mobile layout after the link is live?

Yes. Upload an improved mobile version behind the same microsite link whenever you refine the layout. Recipients always open the latest version for their device.