Turn CB7 comic books into CBZ. It is converted in your browser, so the file never leaves your device.
Drop CB7 files here
or choose from your computer paste with Ctrl V
from Photos or Files
Ready · other file types work too0 bytes uploaded, ever
Drop CB7 files onto the box above, or click it to choose them. ToAny reads the file's contents to detect the type, so a wrong extension does not matter.
Press Convert. There is nothing else to set. The work happens in this tab.
Save the CBZ, or download everything as one ZIP if you converted several files.
The CB7 to CBZ converter is part of this page and runs inside your browser. Your comic books are never sent to ToAny or to anyone else.
Nothing has to travel to a server and back, so the conversion starts the moment you press Convert, even on a slow connection.
No sign-up, no email address and no watermark. Add several files and download them together as a ZIP.
CB7 is read by fewer comic readers than CBZ. CBZ opens in every comic reader and keeps the pages unmodified. CB7 is at home in digital comics and manga where a smaller file matters; CBZ is the usual choice for digital comics and manga.
A password-protected archive is refused, since its contents cannot be read without the password. A comic book archive may hold nothing but page images (and a ComicInfo.xml file). If the archive holds anything else, the conversion is refused and says so.
A CB7 is a 7z archive of page images. 7z can pack the pages a little tighter than ZIP, but fewer comic readers support it, so it is the rarest of the three comic archive types.
Opens in Comic readers such as YACReader and Calibre; fewer than CBZ
CB7 converterA CBZ is simply a ZIP file of page images, usually JPG or PNG, named so that they sort into reading order. The extension tells comic readers to show it as a book. Because it is a ZIP, any archive program can open it.
Opens in Comic readers such as YACReader, CDisplay and Calibre; most e-reader apps
CBZ converter| CB7Comic book (7z) | CBZComic book (ZIP) | |
|---|---|---|
| Stands for | Comic Book 7z | Comic Book ZIP |
| Type | Comic book (7z of page images) | Comic book (ZIP of page images) |
| Compression | 7z container; the pages keep their own image compression | ZIP container; the pages keep their own image compression |
| Introduced | The 2000s, by comic-reader software (no formal standard) | The early 2000s, by comic-reader software such as CDisplay (no formal standard) |
| Opens in | Comic readers such as YACReader and Calibre; fewer than CBZ | Comic readers such as YACReader, CDisplay and Calibre; most e-reader apps |
| Best for | Digital comics and manga where a smaller file matters | Digital comics and manga |
| File extension | .cb7 | .cbz |
No. The CB7 to CBZ conversion runs inside your browser, on your own phone or computer. The file is not sent to ToAny or to anyone else.
Text is kept. Formatting carries over only as far as CBZ supports it.
Yes. Add as many as you like, convert them together and download each result or all of them as one ZIP.
The steps are the same everywhere because ToAny runs in the web browser: open this page in a current version of Chrome, Edge, Safari or Firefox, add the CB7 file, press Convert and save the CBZ. There is nothing to install.
Yes. An archive can be up to 500 MB, unpack to at most 1 GB and hold up to 50,000 files; beyond those limits the page says so. Beyond that the limit is your device's memory, since nothing is uploaded; a computer copes with large files better than a phone.