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CBR Converter
Convert files to and from CBR online for free. Fast, secure, and high-quality file conversion with no sign-up or software required.
Maximum file size is 1GB
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How it works
Three steps to your converted file
Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.
Upload your file
Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.
Choose an output format
Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.
Convert & download
Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.
What is a CBR file?
The CBR (Comic Book RAR) format is a compressed archive used for viewing sequential images, primarily digital comic books. It consists of a set of raster images (JPEG, PNG, GIF) compressed using the Roshal Archive (RAR) algorithm and renamed with the .cbr extension. The format relies on alphanumeric filename sorting to determine page order and does not natively support standard metadata headers, distinguishing it from XML-based formats like EPUB. Compression efficiency depends on the RAR version (v4 or v5) utilized during creation.
How to open a CBR file
CBR files require dedicated comic book readers or RAR-compatible decompression tools. Recommended software includes CDisplay Ex or SumatraPDF for Windows, YACReader for macOS and Linux, and Chunky for iOS. Alternatively, renaming the file extension from .cbr to .rar allows standard utilities like WinRAR or 7-Zip to extract the raw image files for manual viewing.
CBR Technical Info
- Full Name
- Comic Book RAR Archive
- Developed By
- Popularized by CDisplay
- Initial Release
- 1990s
- MIME Type
- application/x-cbr
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