How to Convert CBZ to EPUB — Quick & Free
Fast, instant CBZ to EPUB conversion. No signup required. Just drop your .cbz file and get .epub in seconds.
Batch Settings
About CBZ to EPUB Conversion
Short answer: yes, you can convert CBZ to EPUB online for free, and quality is well preserved with the right settings. Just upload your .cbz file to CocoConvert, pick EPUB as the output, and click Convert. The whole process takes seconds.
Now for the details. CBZ is a widely used file format. EPUB is the standard e-book format supported by most readers except Kindle. Converting between these two formats lets you convert between formats quickly.
Your CBZ file is decoded and re-encoded as EPUB. Converting CBZ to EPUB maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert CBZ to EPUB
- 1
1. Upload CBZ
Drop your .cbz file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select EPUB
Choose .epub from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .epub file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert CBZ to EPUB
Your CBZ file is decoded and re-encoded as EPUB.
Your CBZ file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in EPUB format
The converted file is ready for download
Format Comparison
CBZ
.cbz file
| Extension | .cbz |
| MIME Type | application/x-cbz |
| Category | eBook |
EPUB
.epub file
| Extension | .epub |
| MIME Type | application/epub+zip |
| Category | eBook |
Should You Convert CBZ to EPUB?
When to Convert
- ✓When you need a EPUB file
Frequently Asked Questions
Is CBZ to EPUB conversion free?
Yes. CocoConvert offers free CBZ to EPUB conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is CBZ to EPUB conversion?
Most files convert in 2–10 seconds depending on size. Large ebook files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded CBZ file and the converted EPUB file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting CBZ to EPUB lose quality?
Converting CBZ to EPUB maintains high quality with CocoConvert's optimised encoder settings.
Can I convert EPUB back to CBZ?
Yes, CocoConvert supports EPUB to CBZ conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
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