EPUB Won't Open? Convert to TXTZ Instantly
Fast, instant EPUB to TXTZ conversion. No signup required. Just drop your .epub file and get .txtz in seconds.
Batch Settings
電子書籍の形式は多岐にわたりますが、特にEPUBはその柔軟性から広く利用されています。しかし、よりシンプルで、テキストベースの編集や特定の環境での表示に特化した形式を求める声も少なくありません。そこで、EPUBファイルをプレーンテキスト形式であるTXTZへと変換するこのツールが役立ちます。複雑なレイアウトや画像情報を取り除き、純粋な文字情報として抽出することで、データの軽量化はもちろん、様々なテキストエディタでの編集、あるいは音声読み上げソフトとの連携が格段にしやすくなります。大切な読書体験を、より自由に、そして快適にカスタマイズするための一歩として、ぜひご活用ください。
- 漫画のセリフ抽出
- ビジネス文書のテキスト化
- 縦書き表示への最適化
日本の電子書籍では縦書きやルビが多用されますが、TXTZ変換ではこれらの書式情報は失われ、純粋なテキストデータとして抽出されます。変換後のテキストファイルで縦書きを再現するには、対応するビューアやエディタでの設定が必要です。
About EPUB to TXTZ Conversion
Dealing with a EPUB file that won't open on your device? You're not alone — EPUB compatibility issues are one of the most common reasons people search for a file converter. EPUB is the standard e-book format supported by most readers except Kindle.
The fix is simple: convert your EPUB to TXTZ. TXTZ 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 EPUB to TXTZ maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your EPUB 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 TXTZ 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 EPUB to TXTZ
- 1
Add your EPUB file
Drag and drop your .epub file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick TXTZ output
Select .txtz as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The ebook engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .txtz file. For batch jobs, download all at once as a zip.
What Happens When You Convert EPUB to TXTZ
Your EPUB file is decoded and re-encoded as TXTZ.
Your EPUB file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in TXTZ format
The converted file is ready for download
Format Comparison
EPUB
.epub file
| Extension | .epub |
| MIME Type | application/epub+zip |
| Category | eBook |
TXTZ
.txtz file
| Extension | .txtz |
| MIME Type | application/zip |
| Category | eBook |
Should You Convert EPUB to TXTZ?
When to Convert
- ✓When you need a TXTZ file
Frequently Asked Questions
Why won't my EPUB file open?
EPUB files may not open if your device lacks the right codec or application. Converting to TXTZ — a more widely supported format — usually resolves this. TXTZ is a widely used file format.
Is it safe to convert EPUB to TXTZ 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 EPUB to TXTZ?
Converting EPUB to TXTZ 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 EPUB 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 EPUB to TXTZ 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.