The .rb extension is used for many formats which include definition files based on the Fuzzy rule, eBook files of the Rocket Edition, class files of Ruby on Rails, project files of REALbasic and the profile configuration files of Rosebud. Other versions of Ruby which are also called gems include Mongrel, Capistrano and Ruby on Rails.
Trusted conversion quality
FreeFileConvert uses tuned encoding for PRC to RB conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Seamless workflow
Upload PRC files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized RB results on any device you rely on.
Batch support for teams
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent RB audio with dependable progress tracking.
How to convert PRC to RB
STEP 1
Upload your ebook file in the PRC format from your device, Dropbox, or Google Drive.
STEP 2
Select RB as the output format and click Convert. Adjust optional settings if needed.
STEP 3
Download the converted ebook file. Each file stays available for up to 5 downloads.
More PRC and RB options
Convert other files to RB
Explore popular source formats that convert beautifully into RB.