How to Convert PNG to PDF on Mac

macOS ships with more built-in ways to convert PNG to PDF than most people realize — Preview alone can do it two different ways. The problem shows up when you have more than a couple of images: the native tools weren't built for batches, and combining ten PNGs into one PDF turns into a dozen manual clicks. Here's every method, and where each one stops being worth the effort.

Table of Contents

Method 1: Preview (Export as PDF)

This is the cleanest single-file method, built into every Mac:

  1. Right-click the PNG and choose Open With → Preview.
  2. Go to File → Export as PDF in the menu bar.
  3. Choose a save location and click Save.

For combining several images into one PDF, Preview also supports this: select all the PNGs in Finder, right-click, choose Quick Actions → Create PDF. This stitches them into a single multi-page PDF in the order they're selected — no export dialog needed.

Method 2: Quick Look + Print

An older but still-working trick: select the PNG in Finder, press Space to open Quick Look, click the Share icon, and choose Print. In the print dialog, click the PDF dropdown in the bottom-left corner and select Save as PDF. It's an extra step compared to Preview's export, so there's little reason to use it unless Preview happens to be misbehaving.

Method 3: Batch Convert in Your Browser

The Finder "Create PDF" trick above genuinely covers most multi-image cases. Where a browser tool pulls ahead is control: reordering pages by dragging instead of relying on file-selection order, converting from a folder spread across cloud storage without downloading everything to Finder first, or when you're on a shared or work Mac and don't want to leave a "Create PDF" trail in Finder's recent actions.

PDFfans' PNG to PDF tool runs the conversion locally in the browser — files aren't uploaded to a server, so it's equally usable on a personal or a managed work Mac.

  1. Go to pdffans.com/tools/png-to-pdf in Safari or Chrome.
  2. Drag your PNG files into the upload area, or click to browse.
  3. Reorder pages by dragging thumbnails if needed.
  4. Click Convert to PDF, then Download.

If your end goal is one merged file from a batch of screenshots, this also pairs well with merging multiple PNGs into a single PDF in one pass instead of two separate steps.

Which Method Should You Use?

One image: Preview's Export as PDF is the fastest, and it's already on your Mac. Several images you want combined and Finder's default order works for you: select-all and Create PDF. Need to reorder pages, work across cloud folders, or convert without leaving a Finder trail: the browser tool. None of these cost anything — Apple's tools are free because they're part of macOS, and PDFfans is free because every tool on the site stays free.

Frequently Asked Questions

Does Preview's "Export as PDF" reduce image quality?

No. The PNG is embedded at its original resolution inside the PDF wrapper — Preview doesn't recompress it during export.

Can I combine multiple PNGs into one PDF on Mac without any extra software?

Yes. Select all the PNGs in Finder, right-click, and choose Quick Actions → Create PDF. This is built into macOS and needs no installation.

Is a browser-based PNG to PDF converter safe to use on a work Mac?

With a client-side tool like PDFfans, the images are processed inside the browser tab itself and never uploaded to a server, so it's a reasonable option even on a managed device — check your company's browser-extension and upload policies if you're unsure.

Why would I use a browser tool instead of Preview?

Mainly for control over page order across a large batch, or when your images live in cloud storage and you'd rather not download them into Finder first to run the Create PDF action.