ARJ Won't Open? Convert to TGZ Instantly
Fast, instant ARJ to TGZ conversion. No signup required. Just drop your .arj file and get .tgz in seconds.
Batch Settings
長年親しまれてきたARJ形式のファイル、お手元にございませんか？かつてPC-98時代を彩ったあの圧縮形式も、現代の多様なOS環境やクラウドサービスでは扱いにくい場面が増えています。特に、オープンソースのプロジェクトやLinuxベースのシステムとの連携では、TGZ形式への変換がスムーズな作業の鍵となります。当社の変換ツールは、そうしたARJファイルを、より汎用性の高いTGZ形式へと安全かつ迅速に移行させるお手伝いをいたします。複雑な設定は一切不要。大切なデータを損なうことなく、次世代の環境でも活用できるよう、最適な形式へと生まれ変わらせましょう。ビジネス文書から個人的なアーカイブまで、あらゆるARJファイルを現代の標準へと橋渡しします。
- 古いビジネス文書のアーカイブ
- 同人ソフトの過去作品配布
- 学術研究データの長期保存
日本では、ARJ形式はPC-98シリーズ全盛期に広く利用されましたが、現代の環境では解凍ツールが限られるため、TGZのようなオープンな形式への変換需要が見られます。
About ARJ to TGZ Conversion
Dealing with a ARJ file that won't open on your device? You're not alone — ARJ compatibility issues are one of the most common reasons people search for a file converter. ARJ is a widely used file format.
The fix is simple: convert your ARJ to TGZ. TGZ is a widely used file format. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Converting ARJ to TGZ maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your ARJ file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you When you need a TGZ file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert ARJ to TGZ
- 1
Add your ARJ file
Drag and drop your .arj file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick TGZ output
Select .tgz as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The archive / compression engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .tgz file. For batch jobs, download all at once as a zip.
What Happens When You Convert ARJ to TGZ
Your ARJ file is decoded and re-encoded as TGZ.
Your ARJ file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in TGZ format
The converted file is ready for download
Format Comparison
ARJ
.arj file
| Extension | .arj |
| MIME Type | application/x-arj |
| Category | Archive / Compression |
TGZ
.tgz file
| Extension | .tgz |
| MIME Type | application/gzip |
| Category | Archive / Compression |
Should You Convert ARJ to TGZ?
When to Convert
- ✓When you need a TGZ file
Frequently Asked Questions
Why won't my ARJ file open?
ARJ files may not open if your device lacks the right codec or application. Converting to TGZ — a more widely supported format — usually resolves this. TGZ is a widely used file format.
Is it safe to convert ARJ to TGZ online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting ARJ to TGZ?
Converting ARJ to TGZ maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my ARJ file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert ARJ to TGZ on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.