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Trusted by employees at these brands

Employees of some of the world's most well-known brands rely on Zamzar to convert their files safely and efficiently, ensuring they have the formats they need for the job at hand. From global corporations and media companies, to respected educational establishments and newspaper publications, employees of these organisations trust Zamzar to provide the accurate and reliable conversion service they need.

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Zamzar has converted over 510 million files since 2006

For every 10,000 files converted on Zamzar, we'll plant a tree. By using Zamzar you are helping to make a difference to our planet

We're committed to regular charitable giving. Each month we donate at least 2% of our company profits to different charities

From your personal desktop to your business files, we've got you covered

We offer a range of tools, to help you convert your files in the most convenient way for you. As well as our online file conversion service, we also offer a desktop app for file conversions straight from your desktop, and an API for automated file conversions for developers. Which tool you use is up to you!

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Convert over 150 different file formats

Convert documents, videos, audio files in one click

Need conversion functionality within your application?

Explore the API

One simple API to convert files

100s of formats for you to choose from

Documents, videos, audios, images & more...

Why choose Zamzar?

With Zamzar, file conversions are easy, reliable and convenient, so you can quickly convert your documents, images, videos, and more, to the formats you need. With faster downloads of converted files, and friendly and helpful support when you need it, you'll have everything you need to work with your files.

Zamzar supports over 1100 file-conversion types, meaning you won

No Software Required

Zamzar supports over 1100 file-conversion types, meaning you won't need to download any software to convert a file ever again.

We want to make sure your experience is as positive as possible, so if you run into an issue for any reason, we want to help resolve it.

Dedicated Support

We want to make sure your experience is as positive as possible, so if you run into an issue for any reason, we want to help resolve it.

Even though your file is converted in real time, you can still get a copy of the converted file sent to your email address should you need it.

Real-time Conversions

Even though your file is converted in real time, you can still get a copy of the converted file sent to your email address should you need it.

Zamzar is widely used across the world, and tens of thousands of files get converted each and every day.

Millions of Conversions Monthly

Zamzar is widely used across the world, and tens of thousands of files get converted each and every day.

Tools to suit your file conversion and file compression needs

You'll find all the conversion and compression tools you need, all in one place, at Zamzar. With over 1100 file-conversion types supported, whether you need to convert videos, audio, documents or images, you'll easily find what you need and soon have your files in the formats and sizing that work for you.

PUB Document Format

PUB Converter

Microsoft developed the PUB format for its desktop publishing program, Publisher, and this program is part of the wider Microsoft Office suite. Publisher helps users lay out text, images and charts, and therefore it’s often used for creating posters, newsletters or leaflets. Publisher files can incorporate vector images like EPS, as well as raster images like JPGs, and users can select from templates or create their own designs from scratch.

Microsoft Publisher is still included in the paid-for Office 365 software package; however, it’s not used as widely as it used to be. Most graphic designers will now use professional programs like Adobe Illustrator or CorelDRAW for posters or brochures, and casual users creating graphics, posters or social media posts may prefer to use Apple Pages or apps like Canva. As well as with Microsoft Publisher, you can open and edit PUB files using LibreOffice and also using some graphics programs, including CorelDRAW.

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PDF Document Format

PDF Converter

PDF stands for ‘Portable Document Format’ file. It was developed by Adobe so people could share documents regardless of which device, operating system, or software they were using, while preserving the content and formatting. The format has evolved to allow for editing and interactive elements like electronic signatures or buttons. The PDF format is now a standard open format that isn’t just available under Adobe Acrobat. It is maintained by the International Organisation for Standardization (ISO).

PDF files aren’t typically created from scratch, but are usually converted, saved or ‘printed’ from other documents or images before sharing, publishing online or storing. They can be viewed on almost all devices. Creating a PDF can involve compressing a file, making it take up less storage space. You would typically create a PDF if you wanted to ensure document fidelity, to make it more secure, or to create a copy for storage.

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How to convert a PUB to a PDF file?

  1. 1. Choose the PUB file that you want to convert.
  2. 2. Select PDF as the the format you want to convert your PUB file to.
  3. 3. Click "Convert" to convert your PUB file.

Convert from PUB

Using Zamzar, it is possible to convert PUB files to a variety of other formats:


Frequently asked questions

If you’ve got any questions about converting or compressing files with Zamzar, we’re happy to help! We’ve answered a few commonly-asked questions below, to get you started, and you can find out more information about file conversion and compression with Zamzar, in our Help centre.

You can convert a PUB file to PDF in one of two ways. The most accessible way is to use Zamzar’s converter tool by uploading your PUB file, selecting ‘PDF’ as the ‘convert to’ option, and then clicking ‘Convert Now’. You can then download your PDF file. If you have access to Microsoft Publisher, you can also use that by opening the file, choosing ‘Save As’, and then selecting ‘PDF’.

PUB files can be opened in Microsoft Publisher. If you don't have access to that, Zamzar’s free online converter tool can quickly convert the PUB file to a PDF or an image file. Alternatively, you can download an application that supports PUB formats, such as LibreOffice or CorelDraw, and open the PUB file with that.

Although you can’t open a Publisher file in Word as it is, you can easily convert your PUB file to a DOC file using Zamzar’s free online tool. Once converted, you can open the DOC file in Word. If you have access to Microsoft Publisher, another option would be to open the PUB file, copy the content, and then paste this into a Word document.

You can open PUB files on Android using the Microsoft Publisher App for Android, called ‘Publisher’. The app enables you to edit PUB files directly on your device and is available offline. You can also use Zamzar’s free online tool to convert the PUB file to a PDF or image format, which you can then open on your phone.

If you need to open a PUB file on your iPhone, you can easily use Zamzar’s free tool to convert your file into a different format, such as a PDF or JPG, and then open the converted file. This saves you having to download another app to your phone. Alternatively, you could download and use one of the Publisher apps listed in the App Store.