XLS (EXCEL) to RB Converter
Convert your xls files to rb online & free
Microsoft Excel Worksheet Sheet (97-2003)
XLS format is used to refer to the documents of the program Microsoft Excel. This file is a spreadsheet. All document data distributed and stored in the cells. Each cell has a unique address, which is denoted by letters and Arabic numerals. The cell can contain fixed data, and data in the form of formulas, which bind more cells.
Was developed for the first mass-produced e-book reader – Rocket eBook. The format is written in Ruby. RB files are containers holding the entire content for a Rocket eBook device. It has DRM protection capability which is not used in the books published at present due to the format’s lack of popularity.
How to convert XLS to RB
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to rb"
Choose rb or any other format you need as a result (more than 200 formats supported)
Download your rb
Let the file convert and you can download your rb file right afterwards