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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

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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.

We want to make sure the experience of converting a file is as seamless and as quick as it can be. That’s why we don

No Account Needed

We want to make sure the experience of converting a file is as seamless and as quick as it can be. That’s why we don't ask you for any personal details to convert a file.

We add more and more conversion types each month so that you can convert exactly what you want, when you want.

1100+ File-conversion Types Supported

We add more and more conversion types each month so that you can convert exactly what you want, when you want.

Zamzar is valued by the world

Highly Reputable

Zamzar is valued by the world's most respected brands, including The New York Times, Princeton University, DuPont and Daimler.

We don

Dedicated Support

We don't imagine you’ll experience an issue using Zamzar, but if you do, then just get in touch with our support team who will be happy to help.

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.

EPUB eBook Format

EPUB Converter

EPUB is the standard open-source format for ebooks. EPUB is short for ‘electronic publication’. The format was developed in the mid-late 2000s by the International Digital Publishing Forum and is an alternative to formats like AZW, developed for the Kindle. EPUB files can be viewed on a wide range of e-readers and digital reading apps, including NOOK, Apple Books, Okular and Calibre. Amazon announced in 2022 that new Kindle models would also support EPUB files.

The EPUB standard is now maintained by a World Wide Web Consortium (W3C) working group. The EPUB format comprises three open standards – one defining content markup, one describing the ebook structure, and one packaging all the files into a compressed format. EPUB files normally include an index page for navigation, and accessibility features to adjust text size or allow for text-to-speech. EPUB also has the potential to include interactivity, accessible image, video, or audio elements.

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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 EPUB to a PDF file?

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

Convert from EPUB

Using Zamzar, it is possible to convert EPUB 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.

It’s easy to convert EPUB files to PDFs, but you will need to use a file converter like Zamzar. The free online conversion tool on Zamzar’s website just has three steps – upload your EPUB file, choose ‘PDF’, then ‘Convert Now’, and then download your file.

Alternatively, you could install a conversion software, such as Calibre, but one of the biggest advantages of using a website like Zamzar is that you don’t need to download anything extra onto your device.

If you want to open an EPUB file with Adobe Reader, you will need to convert it to PDF first. It’s really simple to convert to PDF using the three-step conversion tool on Zamzar’s website, and it works in real time. You just upload your EPUB file, click to convert it, and then download a PDF that you can open with Adobe Reader.

If you regularly view EPUB files on Windows or Mac and don’t want to convert them, you can also download Adobe Digital Editions for free from the Adobe website.

One of the quickest ways to convert a large EPUB file to PDF is by using Zamzar. With the three-step online conversion tool, you just need to upload your file, click to convert it to PDF, and then download the converted file. The free version of Zamzar’s online file converter allows file sizes that should mean you can convert even a large EPUB file.

Other options include using a downloaded conversion software, such as Calibre, but you would need to download and install this on your device first before you could use it to convert your file.

Not all smartphones can open EPUB files or save to PDF. The easiest way to convert EPUB to PDF without downloading an extra app is to use a file conversion website like Zamzar. Zamzar’s website works well on any internet-enabled device. All you need to do is upload the EPUB file onto the site, select to convert to PDF, and then download the PDF to save it in your books or files app.

Downloadable apps, such as Ebook Converter, are also available for converting EPUB files on your phone, but these will take up space on your device and may contain ads.