Convert MOBI to RB

Free MOBI to RB eBook Conversion Tool

Muaz Muaz Patrick Csaba Kissi Venelin K
★ ★ ★ ★ ★
Trusted by 500+ users daily
Select File
Choose Format
Convert
or

Paste a direct link to your file

% uploaded

Uploading Your File

Please wait while your file is being uploaded...

256-bit SSL Encryption
No data sharing
Delete after download

Convert from URL

Paste a direct link to your file

Must be a direct link with file extension (e.g., .pdf, .jpg, .docx)

Examples:

  • https://example.com/report.pdf
  • https://cdn.example.com/image.jpg

Your Privacy is Our Priority

We use enterprise-grade security to protect your files

256-bit End-to-End Encryption

Bank-level SSL/TLS encryption protects your files during upload, conversion, and download

Automatic File Deletion

Guest files auto-delete in 24 hours or Delete immediately with our privacy option

Zero Access Policy

We never access, view, or share your files • Conversion is fully automated

Secure Cloud Infrastructure

Powered by Cloudflare R2 • ISO 27001 certified data centers

GDPR & Privacy Compliant

No tracking pixels • No data selling • Complete transparency

🎉 Download Complete!

Enjoyed that conversion?

Get unlimited conversions and premium features!

Best Value

Subscription Plan

Unlimited conversions

$9
/month
  • Files up to 2GB
  • Priority processing
Upgrade Now

Pay as You Go

Buy credits when you need them

$0.08
/conversion

Credits never expire • No subscription

View Options

Continue with free conversions or upgrade for premium features

⚠️ Running Low on Credits!

You have 0 credits remaining

Upgrade now to get unlimited conversions and never worry about running out!

Best Value

Unlimited Plan

Never run out of credits

$9
/month
  • Unlimited conversions
  • Files up to 2GB
  • Priority processing
Upgrade to Unlimited

Buy More Credits

Top up when you need them

$0.08
/conversion

Credits never expire • No commitment

Buy Credits

Stay on the free plan with 0 credits remaining

🎁 Get 10 Free Credits!

Sign up for a free account

Start with 10 free conversions and unlock more features!

What you get:

  • 10 free conversions to start
  • Access to all file formats
  • Track your conversion history
  • No credit card required

Takes less than 30 seconds to sign up

Looking for API Access? Integrate our file conversion API into your applications and automate your workflows, see how to convert MOBI to RB using API →

Transform your Kindle MOBI ebooks into RB (Rocket eBook) format with our efficient conversion tool. This service is particularly useful for users of older Rocket eBook readers who want to access Kindle content. The conversion process preserves the formatting, text, and basic structure of your ebooks while making them compatible with Rocket eBook devices and software that support the RB format.

How to convert MOBI to RB

  1. Upload your MOBI file to our secure converter

  2. Select any conversion preferences or options

  3. Click 'Convert' and wait for processing to complete

  4. Download your new RB format ebook

Benefits of converting MOBI to RB

Access Kindle content on Rocket eBook devices

Preserve original text formatting and structure

Convert multiple files in batch for efficiency

No software installation required - works in your browser

Secure conversion - files are deleted after processing

Frequently Asked Questions

What is a MOBI converter?

A MOBI converter is an online tool that transforms MOBI files to RB format . Our MOBI converter maintains file quality while ensuring fast and secure conversion.

How do I convert MOBI to RB ?

Converting MOBI to RB is simple: Upload your MOBI file, select RB as the output format, and click convert. Your file will be ready for download in seconds.

Is the MOBI converter free?

Yes, our MOBI converter is completely free to use. You can convert MOBI files without any cost or registration. Premium features are available for users who need batch processing or larger files.

What's the maximum file size for MOBI conversion?

Free users can convert MOBI files up to 100MB. Premium users enjoy increased file size limits and additional features like batch conversion.