UC2ARCHIVE READERSource & downloads ↗

ULTRACOMPRESSOR II

Open an old archive.
Find what you kept.

Browse files and their stored versions, check archive checksums, and save what you need. Your archive stays on this device.

Drop a .uc2 archive here

Or choose a file. Up to 256 MiB.

Ready. Files are processed locally.

Keep the original

Stored versions remain separate. Verification checks UC2 checksums; it does not establish who created an archive.

Working with a collection?

Use uc2-preserve for batch inventory and verified ZIP/tar migration, including original paths and metadata.

Compatibility

Legacy Huffman, Turbo/method 80 and UC2 v3 rANS are supported. Individual files are limited to 64 MiB here.