To convert GZ to 7Z, select or drop your .gz file above, check that 7Z is chosen as the output, and click Convert. Files up to 200 MB are converted right in your browser, so they never leave your device.
What is a GZ file?
GZ – gzip compressed file. GZ is a single file compressed with gzip. It holds exactly one file, which is why folders are usually put into a TAR first.
GZ Converter →What is a 7Z file?
7Z – 7-Zip archive. 7Z is the native format of the open-source 7-Zip. It packs files tighter than ZIP, mostly thanks to LZMA2 compression, and supports AES-256 encryption of both contents and file names.
7Z Converter →How to convert GZ to 7Z
- Click Select File, or drop your .gz files anywhere on this page. You can add several at once.
- Check that 7Z is chosen as the output format. On this page it is picked for you.
- Click Convert. When a file has to go to our server, the button says Upload and convert instead.
- Click Download next to each file when it's done.
GZ vs 7Z: how they compare
| GZ | 7Z | |
|---|---|---|
| Type | Compressed single file | Archive |
| Holds | One file | Many files and folders |
| Compression | Deflate | LZMA2 (also LZMA, PPMd, BZip2) |
| Encryption | None | AES-256, file names too |
| Created by | Jean-loup Gailly and Mark Adler, 1992 | Igor Pavlov (7-Zip), 1999 |
| Best for | Compressing one file, logs and web content | Small archives with strong encryption |
Good to know
- a GZ file holds a single compressed file, so the result is a 7Z archive with that one file in it.
- Symbolic links, hard links and special files (such as devices) are left out of the result for safety; the page tells you when it does this.
Frequently asked questions
Is converting GZ to 7Z 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 GZ 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.
How large can the GZ file be?
Files up to 200 MB are converted right in your browser. Larger files, up to 1 GB, are converted on our server.
Will the folders inside my GZ be kept?
a GZ file holds just one file, so there are no folders to keep: the 7Z will contain that one file.
Can I convert several GZ files at once?
Yes. Add as many files as you like; they are converted one after another, and each one gets its own Download button.
Convert GZ to other formats
- GZ Converter
- GZ to ZIP Converter
- GZ to TAR Converter
- GZ to TAR.GZ Converter
- GZ to TAR.BZ2 Converter
- GZ to TAR.XZ Converter
- GZ to RAR Converter
Convert other files to 7Z
- Convert to 7Z
- ZIP to 7Z Converter
- RAR to 7Z Converter
- TAR.GZ to 7Z Converter
- TAR to 7Z Converter
- ISO to 7Z Converter
- TGZ to 7Z Converter
- TAR.XZ to 7Z Converter
- CAB to 7Z Converter
- JAR to 7Z Converter
- TAR.BZ2 to 7Z Converter
Just need the files inside?
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