3 Free Methods to Convert PowerPoint to PDF

Microsoft PowerPoint is an widely-used document formats for business since launched in 1990. We play PowerPoint on mobile devices or computers, we use presentations to show our ideas, we upload PowerPoint to YouTube and share with friends.

In some situations, to prevent others from altering your PowerPoint content, you may have to convert it to some more secure formats, for instance, PDF. Then how in the world to convert PPT to PDF? Here we have 3 FREE methods for your reference.

1. Save as PDF directly
If you have MS Office 2007 or 2010 installed on your Windows OS computer, it would be easy to convert PPT to PDF format directly.

PowerPoint 2010

Launch PowerPoint 2010 and import the slideshow you want to convert. Click File tab on the upper tool bar and select "Save As" option. Then a dialog box pops up and let you choose the output format and address. Choose "PDF(*.pdf)" option from "Save as type" drop-down menu.

"Save As" option

PDF publish process starts. The conversion time depends on PowerPoint file size. For this 12-page sample PPT file with simple pics and words, it takes about 10 minutes.

Publishing

2. Zamzar online conversion
If your computer runs older MS Office version (e.g. 2003) or even hasn't installed Office (lol), here's another solution for you. Zamzar is a website that provides service of transforming songs, videos, images and documents into different formats. It can help us transform PowerPoint, too.

Here's how Zamzar works:

Step 1 Select local PowerPoint files or URL to convert.
Step 2 Select output format. Here we choose pdf.
Step 3 Enter email address to receive converted files.
Step 4 Click to confirm conversion. It takes a couple of minute to upload my file.

Step 5 When the uploading and conversion is finished, check your mail box and receive an e-mail from Zamzar. Click on the link to download a copy of your converted file.

Limitations of Zamzar: 
1) The converted file will be stored for only 24 hours from the time you receive your email Zamzar.
2) Emails may take longer to arrive for bigger files, or when Zamzar is very busy.

3. PPT to PDF Converter
When it's inconvenient to connect to network, or you think it not a good idea to leak your e-mail address to a website, you can have the third choice --- PPT to PDF converter. It's a FREE, smart and integrated PDF creation program that converts Word, Excel & PowerPoint to PDF file in one mouse click.

Here's how the converter works:
Step 1 Download, install and launch Moyea PPT to PDF Converter. Click Add button to input files to the program.

Step 2 Click Settings button for customize settings. A new interface pops up immediately. It consisted of five tabs: General, Compress, Colors, Fonts, and Misc.

In the Compatibility field, select the right version of Adobe Acrobat that you are using.
In the Auto-Rotate field, select how you want the output page(s) to be orientated.
In the Resolution drop-down menu, select a proper resolution for the output PDF file. 
Compress: It is checked by default to make a smaller size for the converted PDF file. Uncheck this option if unnecessary.
Colors: Select from the drop-down menu which color model device you want to use for the output PDF file. 
Fonts: The Embed all Fonts checkbox is ticked by default to display all the text of the converted PDF document(s).
Misc: Select whether you want to rename or override the converted PDF file if it has already existed, whether to show Repair dialogue while failed to invoke MS Office, and whether to open the PDF file(s) after conversion automatically.

Step 3 If everything's OK, just click "Convert" button. The program will start to convert PowerPoint files to PDF format. When it's done, a window pops up and shows you the results as below.