Ebook profiles

Using profiles targetting a specific device ensures Ebooks have a fixed layout and can fill the entire screen (no white bars).

Kobo

Kobo EPUBs uses a custom KEPUB extension, which is generally not supported in other devices.

Implies --nowebp, --epub, --bw, and --size. These options can be changed by explicitly setting them.

Kobo devices also support CBZ, and if you prefer that format you can use --cbz.

Models:

• KOF - Kobo Forma/Sage

• KOL - Kobo Libra 1/2

• KOE - Kobo Elipsa/Aura One

• KOC - Kobo Clara HD/2E

• KON - Kobo Nia

Kindle

Kindle devices are much more restrictive with ebook formats.

Amazon uses a bullshit proprietary format internally, so you can't directly sideload EPUBs via USB, you need to use the "Send to Kindle" service, which has a 200MB limit.

Implies --epub, --bw, and --size. These options can be changed by explicitly setting them.

Models:

• PW5 - 6.8" Kindle Paperwhite (11th gen)

• PW3 - 6" Kindle Paperwhite (7-10th gen)/Basic (10th gen)

• PW2 - 6" Kindle Paperwhite (5-6th gen)

• KT2 - Kindle Basic (7-8th gen)

• KOA - Kindle Oasis

• KVO - Kindle Voyage

Kindle model numbers can be a bit cryptic, see this article if you can't figure out which model you have.

If your device isn't listed here feel free to create an issue!

Examples

Create a CBZ optimized for a Kobo Forma:

recbz --cbz -p KOF file.cbz

Create a fixed-layout EPUB optimized for a 2022 Kindle Paperwhite, while preserving color:

recbz --color -p PW5 file.cbz