RZ to 7Z Converter
Convert RZ to 7Z online for free. Fast, secure, and high-quality conversion with no sign-up or software required.
Maximum file size is 1GB
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Three steps to your converted file
Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.
Upload your file
Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.
Choose an output format
Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.
Convert & download
Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.
What is an RZ file?
The RZ file extension is generated by rzip, a compression program developed by Andrew Tridgell designed to handle large files with long-distance redundancy. Unlike standard Deflate or Bzip2 algorithms that use limited history buffers, rzip utilizes a 900 MB history buffer to identify and compress duplicate data chunks separated by substantial distances within the file. The internal structure involves a two-stage process: finding long-distance matches using a rolling checksum algorithm, followed by a backend compression stage typically utilizing bzip2 to encode the local data streams.
How to open an RZ file
RZ files are not natively supported by standard Windows or macOS archive utilities. They require the rzip command-line tool, primarily available on Linux and Unix-like systems, to decompress (using the -d flag). For Windows users, interacting with RZ files often requires a Cygwin environment or a Windows Subsystem for Linux (WSL) installation to access the necessary rzip binary, as standard GUI archivers like WinRAR or 7-Zip do not support this specific format.
RZ Technical Info
- Full Name
- Rzip Archive
- Developed By
- Andrew Tridgell
- Initial Release
- 2003
- MIME Type
- application/x-rzip
What is a 7z file?
The 7z format is a compressed archive container created by Igor Pavlov in 1999, characterized by an open architecture and high compression ratios utilizing the LZMA and LZMA2 algorithms. It supports file sizes up to 16 exbibytes (2^64 bytes), Unicode file names, and strong AES-256 encryption, with solid compression capabilities to enhance efficiency for similar file sets. Distributed under the GNU LGPL, the format's modular design accommodates various pre-processing filters and encryption methods, establishing it as a primary standard for high-efficiency data archival.
How to open a 7z file
While Windows 11 builds utilizing the libarchive project offer native support, earlier Windows versions require the official open-source 7-Zip utility or alternatives like WinRAR and PeaZip for extraction. macOS users typically rely on third-party software such as The Unarchiver or Keka, whereas Linux distributions handle 7z archives via the p7zip package accessed through the command line or GUI managers like File Roller.
7z Technical Info
- Full Name
- 7z Archive Format
- Developed By
- Igor Pavlov
- Initial Release
- 1999
- MIME Type
- application/x-7z-compressed
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Convert RZ to 7Z in seconds
Every RZ to 7Z conversion runs on our servers, so your device stays fast and the output quality stays intact.
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Developer API
Convert RZ to 7Z via API
Automate RZ to 7Z conversions in three steps: create a job, upload your file, then poll for the result.
# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"tag": "rz-to-7z",
"tasks": {
"upload-file": {
"operation": "import/upload"
},
"convert": {
"operation": "convert",
"input": "upload-file",
"output_format": "7z"
},
"export-result": {
"operation": "export/url",
"input": "convert"
}
}
}'
# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.rz
# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
-H "Authorization: Bearer YOUR_API_KEY"Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.