ARC to LHA conversion is the process of extracting data from an ARC archive (a legacy archive format used historically for file packaging and distribution) and repackaging it into an LHA (.lzh/.lha) archive, a format popular for efficient compression and file organization on older computing platforms. This conversion preserves file contents while changing container and compression method so the archive can be opened by tools that support LHA.
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Read guide →Drag your .ARC 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.
ARC files typically have the MIME type application/x-arc and were used mainly for data archiving and backups. LHA files use the MIME type application/x-lzh and are commonly employed for compressing software and game archives, often supporting various codecs for efficient compression. Both formats focus on lossless compression but differ in algorithm and platform support.
The LHA (.LHA) format is commonly used for archive. Understanding its characteristics can be helpful when converting to or from other formats like ARC.
While specific technical details aren't available here, LHA files generally serve the purpose of storing archive effectively within their domain.
Convert your ARC archive files to LHA format effortlessly with our fast and user-friendly online converter. Whether you need to access legacy archives or optimize for compatibility, our converter delivers reliable results without any software installation.
ARC archives are an older compression format primarily used for early DOS and Windows systems, whereas LHA is a more versatile and widely supported archive format popular in Japanese software distribution. LHA generally offers better compression rates and broader compatibility with current extraction tools compared to ARC.
Keep individual ARC files under 250 MB for fastest online conversion; large archives (250 MB–1 GB) may require premium tools or local software for reliability.
To preserve quality and metadata, always use an extractor that supports ARC's original timestamps and file attributes before repackaging into LHA.
For best size reduction, test LHA compression levels: medium/normal gives a good balance of speed and compression, maximum yields smaller archives but takes longer.
When converting many archives, batch-convert by grouping ARC files into a folder and processing with a tool that supports multi-file input to maintain structure and speed up workflow.
This ARC to LHA converter saved me hours of work with legacy archives.
John M.
Developer
Simple, fast, and reliable—perfect for converting old ARC files.
Emily R.
Archivist
The online tool is convenient and produces high-quality LHA archives every time.
Mark S.
IT Specialist
Start your free ARC to LHA conversion now.
Drag your file here to to upload.
Up to 250MB
Format limitation: ARC may contain legacy or proprietary compression methods or split-volume sets that some converters can't decode fully—verify extraction success before deleting originals.