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I tried it and immediately fell in love! It was so easy to use! After a couple conversions I bought the guys a cup of coffee. A couple more and decided this was too good to abuse! I joined! My life is so much easier!


I had a huge, problematic file to convert that couldn't go through the usual automated conversion process. The Zamzar team responded quickly to my request for help, and they took the extra steps needed to do it manually.


I've used this product for years. And customer service is excellent. Just had an issue where I was charged and I didn't agree with the charge and they took care of it, even though they didn't have to.


I have been so thankful for Zamzar’s support from the beginning of the Pandemic to the present day. Their service is first rate & their helpfulness is always the best it could be.


A very useful and professional site. The service is easy to use and the administrators are helpful and courteous.

David Shelton

It’s my first time using it. I had some complications doing it. I’m not very good at this. But I wrote to the company and I had a lot of help. I’m satisfied with customer service and with the app.

Ana Suárez

I use Zamar whenever I need to convert audio and video files from multiple submitters to 1 uniform file format for Audio and Video Editing. I can do multiple large files in a short amount of time.

Christopher Bee

Great for when you need a lot of conversions in a short time. You have directly access and can even put the subscription on for just a month.

Sabina Calis

I feel like Zamzar is an active team member, especially for projects that I work on where I am the workhorse and it saves so much time and frustration. I am spoiled with Zamzar, because they have set the bar for file conversion and customer service very high.

Deborah Herman

Fantastic service! My mom's computer died and she has 1000+ Word Perfect files she wants to keep for some reason. Since Word Perfect is basically dead, I decided to convert all her files. Zamzar's converter was perfect.

Aron Boyette

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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Your files are in safe hands

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!

Want to convert files straight from your desktop?

Get the App

Fully integrated into your desktop

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

The PUB file format is also known as a publisher document as it is a document that has been created using Microsoft Publisher.

Microsoft Publisher is a widely used application as it enables users to create their own leaflets, brochures, newsletters and posters. PUB files are able to contain both text and images including vector graphics. The file itself has arguably waned in popularity over the years as websites have been spun up that allow casual users to create leaflets and brochures in almost a click of a button and with no real skill required.

PUB files can be opened using Microsoft Publisher itself as well as many drawing applications including CorelDRAW. It is also able to be opened by some OpenOffice applications such as LibreOffice.

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PDF Document Format

PDF Converter

A PDF also goes by the full name of a Portable Document Format and was created by Adobe Systems at the start of the 90s. It was created as a way of allowing people to present documents in a cleaner, crisper way and in a way that allowed them to open that document on any operating system. PDF files often include graphics of some form and tend to be used in professional settings.

PDF files are able to include all sorts of rich text as well as different graphics - both vector and raster images. The reason the PDF can be so rich in terms of features is because of the way it was built by Adobe. A specific language, called PostScript, was used to generate the layout and because of the way the PDF is designed - split into elements - it tends to be a lightweight format from a storage perspective which again adds to its widespread appeal.

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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.