TGZ to GZ Converter

Convert TGZ to GZ online. See the real archive extraction and repackaging behavior, preservation limits, and a format-specific acceptance test.

◈ Encrypted transfer◷ Short retention⊘ No watermark◎ Works on every device

How TGZ turns into GZ: archive extraction and repackaging

The entries in TGZ are unpacked and a new GZ package is built from their filenames and folder paths. Compression is rebuilt; archive-level encryption, comments, and recovery records are not portable assumptions. TGZ is unwrapped from Gzip before TAR entries are enumerated, keeping outer-stream integrity separate from member paths, permissions, links, and checksums. Gzip output compresses one byte stream and optional filename; a directory must first be represented by another archive format if its tree is to survive.

Read structure - A TAR folder stream compressed as one Gzip payload. Rebuilt structure - A Gzip-compressed byte stream that normally wraps one file rather than a folder tree.

INPUT MODEL

TGZ

TGZ archive format

Used for packaging files and folder structures.

Family: Archives
MIME: application/x-gtar

→

OUTPUT MODEL

GZ

GZ archive format

Designed for bundling a folder tree into one shareable file.

Family: Archives
MIME: application/gzip

Checking the GZ result before you trust it

BEFORE

Record the TGZ evidence before conversion

Decompress and extract both layers, then compare paths, Unicode names, file counts, permissions, links, and checksums.

AFTER

Test the GZ file in its receiving workflow

Decompress the result and confirm the recovered payload has the expected filename and checksum.

Reading TGZ correctly and satisfying what GZ expects

TGZ

What can fail when TGZ archive format is interpreted

Gzip protects the TAR byte stream but does not independently validate each member, and non-Unix tools may alter permissions or links.

What GZ archive format cannot safely promise

Turning a multi-file archive into GZ alone can lose the expected directory packaging unless TAR is also used.

ENGINE

How the GZ writer handles this route

The writer builds a Gzip-compressed byte stream that normally wraps one file rather than a folder tree and labels the result as application/gzip. The receiving application - Not the extension alone - Is the final compatibility test.

The delivery decision for this TGZ to GZ route

GZ is the right move once the recipient's archive tool cannot reliably open TGZ; judge success by the extracted folder tree, not by the new package's file size.

What changes between the TGZ model and the GZ deliverable

The source stores a TAR folder stream compressed as one Gzip payload; the destination stores a Gzip-compressed byte stream that normally wraps one file rather than a folder tree. Compare application metadata after that structural change.
Treat TGZ-specific metadata fields as optional in the GZ result until you have actually confirmed they survived.