Convert CBR → CBZ Online — Free
Convert RAR-based CBR comic archives to ZIP-based CBZ.
Drag & drop or click to browse
Accepts .cbr files up to 50 MB
Free plan includes 3 conversions/day. Need more? Talk to us →
What is a .cbr file?
CBR is a widely-used format in the eBook category. Convert RAR-based CBR comic archives to ZIP-based CBZ. Files in this format are commonly used across various tools, pipelines, and workflows.
What is a .cbz file?
CBZ is a popular format in the eBook ecosystem. Converting from CBR to CBZ gives you access to its unique features, broader tooling support, and improved interoperability.
How to convert CBR → CBZ online
Upload your file
Drag & drop your .CBR file onto the upload zone, or click "Browse" to select it.
Validate & preview
The tool checks the file type and size before uploading. Invalid files are rejected immediately with a clear error.
Convert on the server
Click "Convert" to upload and process your file. Server-side conversion typically takes ~30 seconds.
Download your result
When done, click "Download .CBZ" to save your converted file. Files are securely deleted after 1 hour.
Frequently asked questions
Is this CBR to CBZ converter free?
Yes. The CBR → CBZ tool is free for up to 3 conversions per day. Pro (30/day) and Business (unlimited) plans unlock higher limits.
Is my file secure on the server?
Your file is uploaded over an encrypted HTTPS connection to a secure server worker. The converted file is stored temporarily and automatically deleted after 1 hour. We never share or store your files longer than necessary.
What is the maximum file size for CBR?
You can convert files up to 50 MB. If your file is larger, consider compressing it first or upgrading to a Business plan for increased limits.
What is the difference between CBR and CBZ?
CBR and CBZ are both formats in the eBook category, each with different use cases, tooling support, and feature sets. Convert RAR-based CBR comic archives to ZIP-based CBZ.
Can I convert multiple files at once?
Batch conversion is available on Pro and Business plans. Free users convert one file at a time.