Convert TGZ to 7Z: Free Online Converter
Convert Gzipped Tar Archive to 7-Zip Archive online for free. Fast, secure archive conversion with no watermarks or registration.
TGZに対応
アップロードすることで、これらのファイルの権利を有していること、および利用規約に同意することを確認したものとみなされます。
安全な転送
HTTPS暗号化アップロード
プライバシー優先
ゲストのファイルは約2時間で自動削除
登録不要
すぐに変換を開始
どこでも動作
あらゆるブラウザ、あらゆるデバイス
TGZ から 7Z への設定
- エンジン
- アーカイブ
- 設定
- 設定は不要です。適切な初期値が使われます。
変換方法
アップロードエリアにドラッグするか、クリックして選択し、.tgzファイルをアップロードしてください。
必要に応じて出力設定を調整してください。デフォルト設定ではオリジナルの品質を維持します。
「変換」をクリックし、準備ができたら.7zファイルをダウンロードしてください。
TGZから7Zへの変換について
TGZ is the short-extension variant of gzip-compressed tar archives, using the .tgz filename originating from 8.3 DOS filename conventions. The format is structurally identical to .tar.gz but the .tgz extension is specifically used by Slackware Linux packages, Kubernetes Helm charts, and embedded system build tools. 7Z uses LZMA and LZMA2 algorithms from the 7-Zip project, delivering substantially better compression ratios than gzip DEFLATE.
Converting TGZ to 7Z recompresses a Slackware package, Helm chart, or embedded system tarball using the more efficient LZMA2 algorithm. This is valuable for cold-storage archiving of package collections, where the 20-40% size reduction compounds across hundreds or thousands of archived .tgz packages.
TGZを7Zに変換する理由
Package repositories and artifact archives accumulate large volumes of .tgz files over time. Slackware mirror operators, Helm chart museums, and embedded firmware archives may store thousands of .tgz packages. Recompressing these to 7Z for cold storage can reduce the total footprint by 20-40%, translating to meaningful savings on cloud storage costs (S3, GCS, Azure Blob) at scale.
7Z's solid archive mode provides additional savings when archiving multiple .tgz packages together. Because packages from the same project often share significant content (libraries, headers, documentation), solid compression exploits this cross-file redundancy for compression ratios that individual .tgz files cannot achieve.
主な活用例
- Archiving Slackware package repositories into space-efficient 7Z format for cold storage
- Consolidating Helm chart collections into solid 7Z archives for artifact museum storage
- Recompressing embedded firmware .tgz build artifacts for long-term archival with better ratios
- Reducing storage footprint of large .tgz package mirror collections on cloud object storage
- Adding AES-256 encryption to package archives that were distributed as unencrypted .tgz files
仕組み
The .tgz file is decompressed by reading the gzip DEFLATE stream and verifying the CRC32 checksum. The resulting tar archive is parsed entry-by-entry, extracting all files to a temporary directory preserving the complete hierarchy. The extracted file tree is packed into a 7Z archive using LZMA2 compression with solid mode and automatic dictionary sizing. For bulk conversions, multiple .tgz packages can be combined into a single solid 7Z archive for maximum cross-package compression benefit.
品質とパフォーマンス
Entirely lossless. Every file from the .tgz is extracted in its original form and repacked into 7Z with byte-for-byte identical content. Package metadata files (slack-desc, Chart.yaml, etc.) are preserved exactly. The 7Z output will be 20-40% smaller than the .tgz input while containing identical data.
デバイス互換性
| Device | TGZ | 7Z |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
最良の結果を得るためのヒント
- 1For maximum savings, combine multiple related .tgz packages into a single solid 7Z archive — cross-file compression is extremely effective on similar packages
- 2Maintain an extraction pipeline that converts 7Z back to .tgz when packages need to be deployed — 7Z is for archival, not direct use by package managers
- 3Track which .tgz files are archived in each 7Z to maintain a package index alongside the compressed archive
- 47Z requires p7zip on the extraction system — ensure your archival infrastructure includes this dependency
- 5For Slackware mirrors, consider .txz (tar + xz) as an alternative that uses LZMA2 compression while remaining installable by Slackware's package tools
関連する変換
TGZ to 7Z conversion optimizes package archive storage by replacing gzip DEFLATE with LZMA2 compression. Ideal for cold-storage archiving of Slackware, Helm, and embedded system package collections.
TGZと7Zの比較
| 特徴 | TGZ | 7Z |
|---|---|---|
| 正式名称 | Gzipped Tar Archive | 7-Zip Archive |
| 拡張子 | .tgz | .7z |