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Why this runs on your computer

There is no upload: The work happens in this tab. Your file never travels, so there is no copy of it anywhere but your own disk.
Nothing to delete later: Sites that upload promise to delete your file afterwards. That promise only matters because the file was theirs to hold.
It works with the Wi-Fi off: The honest test. Turn off your connection and the tools keep working, because everything they need is already here.

Comic book reader for CBZ and CBR files

Open a CBZ, CBR, CB7 or CBT comic and read it page by page, or two at a time - here in this tab, with nothing uploaded.

How to read cbz and cbr comics

Drop a .cbz, .cbr, .cb7 or .cbt file on the page.
Turn pages with the arrow keys, a click or a swipe.
Choose single or double pages, fit, and right-to-left for manga.

Why this one stays private

A comic reader needs nothing but your browser. This one opens the archive in the tab, so your collection is never uploaded to anyone's server.

Questions

What is the difference between CBZ and CBR?

Both are a folder of page images packed into one file. CBZ is a zip archive, CBR is a RAR archive. This reader opens both, plus CB7 (7-Zip) and CBT (tar).

Can I read manga right to left?

Yes - switch on right-to-left and the pages and arrow keys run the manga way.

In what order are the pages shown?

In the order of their file names, sorted the way a person would: page 2 before page 10.

Is my book uploaded?

No. The file is opened by your browser, in this tab, and the new file is made here too. Nothing is sent to a server, so there is no copy of your book anywhere else.

How to read cbz and cbr comics

Why this one stays private

Questions

Other tools here