Convert RAR to CAB

Fast, free, and secure RAR to CAB conversion. No registration required.

No app to install, no account to create — just open this page, drop your rar file, and get cab output in seconds. What makes this conversion useful: RAR Archive gives you strong compression with recovery records and solid archive support, but Cabinet Archive unlocks Windows software installers, driver packages and system files — something RAR Archive struggles with (proprietary format requiring WinRAR or compatible tools). This is one of the most frequently used conversions on Xonvert, with 315 daily conversions on average. This conversion is instant for most file sizes. Large files may take a few extra seconds of processing.

Advantages of CAB over RAR

There are strong reasons to convert RAR to CAB:

Speed of delivery: Cabinet Archive files maintain full quality while being optimized for efficient sharing.

Search engine benefits: For web content, Cabinet Archive is widely recognized by search engines, potentially improving your content's discoverability.

Privacy advantage: Converting locally with Xonvert means sensitive RAR Archive files never leave your device during the Cabinet Archive conversion.

Social media ready: Platforms like Instagram, Twitter, LinkedIn, and Facebook prefer Cabinet Archive format for uploads, ensuring your content displays correctly.

Cross-device access: Cabinet Archive files open seamlessly on Windows, macOS, Linux, iOS and Android — unlike RAR Archive, which may require specialized software.

RAR vs CAB: Format Comparison

FeatureRARCAB
Full NameRAR ArchiveCabinet Archive
CategoryArchiveArchive
CompressionLossyLossless
Key Strengthstrong compression with recovery records and solid archive supportnative Windows installer format with built-in extraction
Key Weaknessproprietary format requiring WinRAR or compatible toolsWindows-only format, limited manual access
Primary Usefile distributionWindows software installers
DeveloperAlexander RoshalMicrosoft
Year Released19931997

Your RAR to CAB Conversion Guide

Converting RAR to CAB with Xonvert is straightforward:

1. Choose files — Click the upload area or drag RAR files into the converter zone. Multiple files accepted.
2. Preview — Xonvert shows file names, sizes, and a thumbnail (where applicable) before processing.
3. One click — Press the Convert button. The WebAssembly engine processes your files at near-native speed.
4. Save results — Each CAB file downloads individually, or choose "Download All" for a ZIP archive.

RAR to CAB: Quality Comparison

When converting from RAR Archive to Cabinet Archive, the conversion is lossless, meaning every bit of data is preserved exactly as in the original. RAR Archive already discards some data during compression. Converting to Cabinet Archive adds no further quality degradation since it uses lossless compression. Xonvert selects parameters that maximize quality for the target format. For professional use, quality assurance is critical. Xonvert's RAR Archive to Cabinet Archive pipeline has been tested against reference implementations to ensure output meets archive industry standards.

Re-packaging files from RAR Archive to Cabinet Archive archive format changes the compression algorithm and container structure while preserving all archived contents. File permissions, directory structures, and timestamps are maintained when supported by both formats. This conversion is useful when a recipient's system requires a specific archive format.

Important: Converting from lossy RAR to lossless CAB does not restore previously discarded data. The output perfectly preserves your current file quality without adding further degradation, but quality lost during the original RAR encoding cannot be recovered.

Popular RAR to CAB Scenarios

Common scenarios for RAR to CAB conversion:

Presentation use — CAB files integrate easily into PowerPoint, Google Slides and Keynote presentations.
Personal organization — Standardize your file collection by converting all RAR files to CAB, making everything consistent and easy to manage.
Batch processing — Convert entire folders of RAR files to CAB using Xonvert's batch mode.
App development — Mobile and web apps may require CAB assets. Convert your RAR source files during the build process.
Archiving content — Convert RAR files to CAB for long-term, standardized storage.
Data migration — Migrating between systems often requires format conversion. RAR to CAB bridges legacy and modern platforms.

RAR to CAB FAQ

What happens to my files after conversion?
Nothing — your files exist only in your browser's memory during conversion. Once you close the page, all data is cleared. No files are stored anywhere.
What is RAR format?
RAR Archive is WinRAR proprietary compressed archive format. It is primarily used for file distribution, software packages and compressed downloads. Proprietary format by Alexander Roshal (Roshal ARchive)
Will the conversion strip my EXIF or metadata?
Xonvert preserves metadata (EXIF, XMP, ID3, etc.) when the target CAB format supports it. You can optionally strip metadata in the settings for smaller, cleaner output files.
Does the conversion preserve metadata?
Xonvert preserves compatible metadata fields when converting between formats. Some format-specific metadata may not carry over if the target format doesn't support it.
Can I share the converted CAB file directly?
Yes. After conversion, you can download the CAB file and share it via email, messaging apps, cloud storage, or any other method you prefer.
Does converting RAR to CAB change the resolution?
Resolution is not applicable for archive files. All content data transfers at full fidelity.
Do I need to install any software?
No installation required. The converter runs entirely in your web browser. No plugins, extensions or desktop apps needed.

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