ARJ to LHA conversion is the process of extracting files from an ARJ archive and recompressing them into an LHA (also known as LZH) archive. This conversion transfers archived file sets between two legacy compression/container formats, preserving file data while changing compression and metadata structures for compatibility with different tools or systems.
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Read guide →Drag your .ARJ file from your computer or use the browse function.
Confirm .lha as the selected destination format.
Click "Convert" and download your converted .LHA file once ready.
ARJ files use the MIME type application/x-arj and were commonly used for software distribution and backups. LHA files typically use the MIME type application/x-lzh and are popular for compressing game files and older software packages. Both formats focus on lossless compression but utilize different codecs and archiving methods optimized for their respective use cases.
The LHA (.LHA) format is commonly used for archive. Understanding its characteristics can be helpful when converting to or from other formats like ARJ.
While specific technical details aren't available here, LHA files generally serve the purpose of storing archive effectively within their domain.
Convert your ARJ archive files to LHA format effortlessly using our reliable online converter. Designed for speed and simplicity, this tool supports secure uploads and preserves file integrity during conversion.
ARJ is an older archive format primarily used in the early 1990s, known for solid compression but limited current support. LHA is a more modern archive format favored for its compatibility and efficient compression, especially in Japan. While ARJ archives may be harder to open today, LHA files can be easily accessed with many up-to-date archiving tools.
Keep individual archive sizes moderate: for reliable conversion, aim for ARJ files under 500 MB to avoid memory or timeouts in web-based tools.
Preserve quality and metadata: enable options to keep original timestamps, file permissions, and directory structure to avoid data loss during recompression.
Batch conversion advice: convert groups of files in batches (for example 10–50 files at a time) to reduce failure risk and make error recovery easier.
Format-specific limitation: ARJ supports some legacy attributes and extended headers that may not map perfectly to LHA, so verify executable permissions or special metadata after conversion.
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Up to 250MB
If you need maximum compression, test different LHA compression levels; "best" increases CPU time but may only marginally reduce size versus "normal."