Convert files online
Convert files online
When you need 7Z to TAR
TAR is the standard format for bundling files on Unix systems. It does not compress data - it simply collects files and folders into one stream, preserving structure and attributes. TAR is useful when files from a 7z archive need to be transferred to a Linux server, embedded into a deployment script, or used as an intermediate step before separate compression.
During conversion, files from the 7z archive are unpacked and repacked into a TAR container. The file contents are not changed - only the packaging method changes.
What changes after conversion
TAR does not compress data. The resulting file will be comparable in size to the sum of all contained files - substantially larger than the source 7z. This is expected: TAR's job is not to save space but to reliably bundle a file structure into one file that is easy to transfer and process with standard Unix tools.
Folder structure, file names, and file contents are preserved in full. On Linux, TAR also preserves access permissions and file attributes if they were present in the source archive.
When this is especially useful
- Transfer a set of files to a Linux server where TAR is a familiar format.
- Prepare a file tree for a deployment script or automation system.
- Use TAR as an intermediate step before applying separate compression.
- Repack 7z into a format processed by the standard
tarcommand without extra software. - Hand the archive to a tool that only accepts a TAR stream (for example, when building container images).
Common tasks and search queries
- repack 7z to tar for server upload;
- convert 7z archive to tar without compression;
- 7z to tar online;
- convert 7z to a format compatible with linux tar;
- unpack 7z and bundle into tar;
- prepare tar from 7z for ansible or docker.
What to check before conversion
- Estimate free space: the TAR file will be significantly larger than the source 7z because data is not compressed.
- If you need compression, consider TGZ or TXZ - they combine TAR with a compressor.
- Make sure the source archive is not password-protected - a password is required to access the contents.
- Confirm that all needed files will be in the archive: TAR will preserve the same structure that was in the 7z.
Format and conversion limits
TAR does not compress data, so the resulting file will be substantially larger than the source 7z. For documents and code the difference can be several times. If space is limited, choose TGZ or TXZ.
TAR was originally designed for Unix systems. On Windows it can be opened with installed archivers (such as 7-Zip) or through the command line on modern versions, but it is not a Windows default.
If the source 7z is password-protected, a password is required to extract the files.
Related tasks
If you need TAR with compression, choose 7Z to TGZ (fastest) or 7Z to TXZ (densest). When the recipient is on Windows without an archiver, 7Z to ZIP is more convenient.
What is 7Z to TAR conversion used for
Upload to a Linux server
TAR is a familiar format for Linux server tasks: easy to unpack, transfer, and use with the standard tar command.
Intermediate step in a script
A TAR stream can be piped to another tool - for example, compressed separately or transferred over SSH without an intermediate file.
Preparing for deployment
An application file tree is packed into TAR for server delivery with access permissions and folder structure preserved.
Building a base container image
Some container tools expect the file system as a TAR archive.
Tips for converting 7Z to TAR
Estimate the size in advance
The TAR file will be substantially larger than the source 7z. Make sure you have enough disk space and transfer capacity before you start.
Need compression - choose TGZ or TXZ
If size matters, convert to TGZ or TXZ instead of TAR - they add compression on top of the TAR container and take up much less space.
Have the 7z password ready
If the archive is password-protected, you will need it for conversion. Without the password, conversion is not possible.