The fastest way to convert a PDF to JPEG on Mac
The quickest method is to use the Preview app, which comes built into every Mac. Open your PDF in Preview, go to File > Export, choose JPEG from the format dropdown, and save. This takes about 30 seconds and requires no additional software.
If your PDF has multiple pages, Preview will ask whether you want to convert all pages or just one. Each page becomes a separate JPEG file. For single-page PDFs or when you only need one page, this is the simplest route.
Key Takeaways
- Preview, the built-in Mac app, converts PDFs to JPEG in seconds without installing anything.
- Each page of a multi-page PDF becomes its own JPEG file when you export.
- You can adjust image quality and size during export to control file size.
- For batch conversion of many PDFs, Automator (also built-in) can process multiple files at once.
Using Preview to convert a single PDF
Open Finder and locate your PDF file. Right-click it and select "Open With" > "Preview". Once the PDF opens, click File in the menu bar at the top of your screen, then select Export.
In the dialog box that appears, look for the "Format" dropdown menu. Click it and select JPEG. Choose where you want to save the file, give it a name if you want to change it, and click Save. That's the entire process.
If your PDF has multiple pages, Preview will show a dialog asking "Export all pages?" Select "All" if you want every page as a separate JPEG, or "Only current page" if you want just the one you're viewing. Click Export to finish.
Controlling image quality and file size during export
After you select JPEG as the format and before you click Save, you'll see additional options appear. One of these is a quality slider, usually labeled "Quartz Filter" or showing a quality percentage. Moving the slider left makes the file smaller but blurrier; moving it right makes it larger but sharper.
For most uses—sharing online, emailing, or storing—the default quality setting works fine. If you need the image to be very small (under 1 MB), drag the slider left. If you're printing the JPEG or need fine detail, drag it right. You can always export again with different settings if the first result isn't what you wanted.
Converting multiple PDFs at once with Automator
If you have many PDFs to convert, Automator can do them all in one batch. Open Automator (search for it in Spotlight by pressing Command+Space, typing "Automator", and pressing Enter). Click "New" and select "Quick Action" as the document type.
In the left panel, search for "PDF" and drag "Render PDFs as Images" into the workflow area on the right. Set the output format to JPEG. Then go to File > Save, give your action a name like "Convert PDF to JPEG", and save it.
Now you can select multiple PDF files in Finder, right-click them, go to "Quick Actions", and select your new action. Automator will convert all of them to JPEG at once and save them in the same folder. This saves time if you regularly convert batches of files.
When to use third-party conversion tools
Preview and Automator handle most PDF-to-JPEG conversions well. However, if your PDF contains complex graphics, multiple layers, or special fonts, or if you need very fine control over compression settings, third-party tools like ImageMagick (free, command-line based) or commercial apps like Adobe Acrobat may produce better results.
You only need these if Preview's output doesn't meet your needs. Start with Preview first—it's faster and requires nothing to install. Move to a third-party tool only if the JPEG quality isn't acceptable.
Troubleshooting common conversion problems
If Preview won't open your PDF, the file may be corrupted or password-protected. Try opening it in a web browser first (drag it into Safari or Chrome) to confirm it's readable. If a password is protecting it, you'll need to remove the password before Preview can export it.
If the JPEG looks blurry or pixelated, you adjusted the quality slider too far to the left during export. Open the PDF again in Preview and export it once more, this time moving the quality slider to the right. If the file is too large, move the slider left instead.
If you're converting a multi-page PDF and only one JPEG appeared, you selected "Only current page" instead of "All" in the export dialog. Open the PDF again and repeat the export, choosing "All pages" this time.
Frequently Asked Questions
Can I convert a PDF to JPEG on Mac without Preview?
Yes. Automator (built-in) can do it, as can free online converters in your web browser. However, Preview is the fastest and most straightforward option for most people, and it keeps your files on your computer rather than uploading them to a website.
Will the JPEG look exactly like the PDF?
Usually yes, but not always. If your PDF has transparency, special effects, or fonts your Mac doesn't have installed, the JPEG may look slightly different. JPEG is also a compressed format, so very fine detail may blur slightly compared to the original PDF.
What if my PDF is password-protected?
Preview cannot export a password-protected PDF. You'll need to remove the password first using another tool or by opening it in Adobe Acrobat Reader and saving an unprotected copy. Once the password is removed, Preview can export it normally.
How do I make the JPEG file smaller?
During export in Preview, move the quality slider to the left before saving. This reduces file size but also reduces sharpness. Start at 50% quality and adjust up or down based on the result. You can always export again with different settings.
Can I batch convert PDFs with Preview?
Not directly—Preview converts one file at a time. Use Automator instead for batch conversion. Create a Quick Action as described above, then select multiple PDFs in Finder, right-click, and run the action on all of them at once.