RZ Converter

Convert RZ files online, for free, with nothing to install.

RZ is a single file compressed with rzip, which finds repeats far apart in large files before compressing with bzip2. RZ files can be saved as ZIP, 7Z, TAR, TAR.GZ, TAR.BZ2, TAR.XZ, RAR.

What is an RZ file?

RZ – rzip compressed file. RZ is a single file compressed with rzip, which finds repeats far apart in large files before compressing with bzip2.

How to convert an RZ file

  1. Click Select File, or drop your .rz files anywhere on this page.
  2. Pick the format you want next to each file, for example ZIP.
  3. Click Convert, then Download when it's done.

RZ at a glance

RZ
TypeCompressed single file
HoldsOne file
CompressionLong-range matching plus bzip2
EncryptionNone
Created byAndrew Tridgell, 1998
Best forVery large files with repeated data

Frequently asked questions

What is an RZ file?

RZ is a single file compressed with rzip, which finds repeats far apart in large files before compressing with bzip2.

How do I open an RZ file?

Archive programs such as 7-Zip open many formats. Without one, open it on our Extract RZ Files page to see what's inside and save the files you need, or convert it to ZIP here: Windows, macOS and Linux all open ZIP files by themselves.

Is converting RZ files free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my RZ files uploaded anywhere?

Files up to 200 MB never leave your device: ConvertKitty runs 7-Zip inside your browser. Only larger files, or formats your browser cannot handle, are sent to our server, over an encrypted connection, and deleted 72 hours after the conversion. The button says "Upload and convert" whenever that happens.

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