The tool you need is the Coolmuster ePub Converter (or ePub Converter for Mac), which allows you to create ePub eBooks from other types of files in just 3 steps: click to import the source files, set the output settings for the output ePub and hit Convert to begin the conversion instantly. With it, you will be able to get satisfying ePub eBooks with great quality.
Free download the trial version of Coolmuster ePub Converter to change eBooks to ePub format.
The guide below is based on Windows version. If you are a Mac user, you can follow the same steps to change eBooks to ePub on Mac OS X.
Step 1. Upload Files and Choose Conversion Type
Free download and install the eBook to ePub converter on your PC. Launch it and choose your needed conversion type according to the source file format. 4 file types like Word, Text, HTML, MOBI can be converted to ePub by this software. Click the “Add Files” button to import source files to the program. Or you can directly drag and drop them to save your time.
Step 2. Customize Output Settings
Instead of saving the output files into the source folder, you can select an output folder to save the converted ePub files by clicking the "Browse" button on the bottom of the program.
If you want to combine multiple imported files into one single ePub file, you can check the option "Merge into One File".
Step 3. Start to Convert eBooks to ePub
Finally, you can click the Start button located on the bottom right corner to start the eBook to ePub conversion. Or, you can right-click on specific imported file, choose "Convert Selected" and convert it to ePub format separately.
After the conversion, you can connect your devices to the computer and transfer the output ePub eBooks to your device for reading on the go. The eBook to ePub Converter is really worth a try.