Open CTB file online

Fast, secure and free CTB viewer Online

Select ctb file

Important: 150 MB maximum file size, all upload and processed files will be deleted automatically within 1 hours.

Open CTB File

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Open Other CTB File

CTB Converter Online

Step 1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose ctb or any other format you need as a result (if applicable).

Step 3

Let the file process and download/view the ctb file.
** You can also open your processed ctb file in our free online viewer by clicking "Open".

1 ❓ How can I viewer CTB file?
First, you need to add a file for viewer: drag & drop your CTB file or click inside the white area for choose a file. Then click the "viewer" button. It will now allow you to viewer your CTB file.
2 ⏱️ How long does it take to viewer CTB file?
This viewerer works fast. You can viewer CTB file in a few seconds.
3 🛡️ Is it safe to CTB viewer using free file viewerer?
Of course! The download link of viewered file will be available instantly after processing. We delete uploaded files whithin next 24 hours and the download links will stop working after this time period. No one has access to your files. File viewerer (including CTB). CTB file viewerer is absolutely safe.
4 💻 Can I viewer CTB file on Mac OS, Android or Linux?
Yes, you can use free viewerer app on any operating system that has a web browser. Our CTB viewerer works online and does not require any software installation.
5 🌐 What browser should I use to viewer CTB?
You can use any modern browser to viewer CTB, for example, Google Chrome, Firefox, Opera, Safari.

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