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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.


Used it for over a year to convert my bank statements to csv files. Great quick app, increased my productivity a lot. Also, amazing support - always helped me quickly!

Agata Wierzbicka

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.


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

Great thanks to you all for helping me to get the OLD files converted correctly. 20 years, quite a long time, reviewing the files brings much memory to me. That's the best gift I received last year. Thank you all again.

Jiunn-Ru Lai

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?

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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.

We’ve been established since 2006 and we’re used by some of the world

Highly Reputable

We’ve been established since 2006 and we’re used by some of the world's leading companies.

As well as a page of FAQs and a catalogue of helpful videos, we also have a dedicated support team who can help assist you with any queries you may have.

Dedicated Support

As well as a page of FAQs and a catalogue of helpful videos, we also have a dedicated support team who can help assist you with any queries you may have.

When you need a file converted, you can have confidence in us that we


When you need a file converted, you can have confidence in us that we'll get the job done correctly, quickly and securely.

We’re always looking to improve our service, which is why you can now convert files in real time and even convert files straight from your desktop using our app.

Striving for Perfection

We’re always looking to improve our service, which is why you can now convert files in real time and even convert files straight from your desktop using our app.

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.

CBR eBook Format

CBR Converter

A CBR file is also known as a Comic Book RAR Archive file. CBR files are a compressed file that contains image formats such as a JPEG, TIFF or PNG in an archive form – specifically RAR - which in simple terms means that a set of comic book images are able to be stored in a compressed and efficient way. CBR files can often be included in a CBC file as part of a larger collection of Comic Book files. To open a CBR file users can open directly by comic book viewer applications such as eComic and don't have to be uncompressed first. Alternatively, users can open CBR files using decompression programs to extract the individual images contained within the archive.

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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 CBR to a PDF file?

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

Convert from CBR

Using Zamzar, it is possible to convert CBR 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 simple to convert a CBR file to PDF using online tools like Zamzar. Just upload your CBR file to the free tool on Zamzar’s website, select to convert it to PDF, and then download your comic book file in the new format. Another option is to use an ebook manager like Calibre to convert your file. However, as Zamzar’s tool is cloud-based, it’s possible to convert CBR files without downloading any new software to your device.

You can open a CBR file with comic book reader apps such as CDisplayEx. However, if you don’t want to install any extra software on your device, then you could also use free online tools like Zamzar to convert your CBR file into a PDF, which will then open on almost all devices. Simply upload your CBR file to the three-step conversion tool on Zamzar’s website, select PDF as the format to convert it into, and then download the new file.

CBR files are compressed image files designed for comic book reader apps, so they won’t usually open in other programmes. However, it’s easy to use file conversion websites like Zamzar to convert a CBR file into a PDF that you can save and read in iBooks. Simply upload the CBR file to Zamzar’s online conversion tool, choose PDF, and then click ‘Convert Now’. When the file has converted, just download the PDF and save it to iBooks.

CBR files are designed to be read using comic book reader apps like CDisplayEx or NTComic CBR Reader. You can’t normally read them without specific software unless you convert them into another format like PDF first. It’s simple to convert CBR files with online conversion tools like Zamzar. Just upload your file to the free tool on Zamzar’s website, and select to convert it into PDF. You can then download a new version of your comic that can be read on most devices without a special app.

You can read CBR files on your phone either by installing a compatible comic book reader app, like CDisplayEx, or by converting the files to another format like PDF first. Zamzar’s online tool makes it easy to convert files directly from your phone without installing extra apps. Just upload one or more CBR files to the free tool on Zamzar’s website and select to convert them into PDF. You can then download the new files and save them into your books or files app to read on your phone whenever you want.