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Thank you Kovid Goyal (Calibre)
(lemmy.ml)
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this post was submitted on 13 Apr 2026
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I installed Koreader on my Kindle Paperwhite 3 a couple months ago, and it has made me use my device so much more now. There’s only 3GB of storage to play with, so it’s not like I can carry my manga and comic libraries with me, but it’s breathed new life into my epub collection. Honestly, most useful upgrade I’ve made in a long time.
Yeah, jailbreak and KOreader actually makes the device usable. I have one of the older ones so the screen is way too small for manga anyway, but at least i can use whatever the font I want and I can even change the default screensavers which is a nice addition.
If you happen to read manga on your phone, you may be surprised how capable your old ereader might actually be.
I actually read manga on my old Nexus 7 since my phone's screen is not big enough. I tried some cbz mangas on the Kindle before but because of not every page is single, it was painfully slow to zoom and navigate. I would love the read them on Kindle if I can find mangas that don't need to be zoomed though.
Can I ask what does it do? I’ve had a kindle oasis for years now and haven’t found anything to complain about. I already have a calibre script for things like margin, font, line spacing and css rules.
It’s open source software that lets you read epubs and cbz files natively without conversions, bypass Amazon’s “Send to Kindle” feature, and came at a time when Amazon was removing books from people’s devices. Koreader also has Calibre plugin support to transfer books that way as well (though this isn’t something I haven’t set up just yet).
Overall it provides a bit more granular control over your devices if you like to tinker, and provides an extended lifeline for devices Amazon may have stopped supporting.
This could be interesting indeed, though in my case as I only really download epubs that are autoconverted to azw3 with my custom parameters and are loaded via the same usb I use to charge it anyway, I’m not sure I’d have much to gain here.
What do you mean stop supporting? Do they just stop providing updates? Do updates really matter on an ereader?
Support is kind of topical at the moment if you’re deep into the Kindle Store. Honestly, it’s bullshit to get you to buy a new device.
ETA Kindle Fire tablet info
Ahhh it’s the store, yeah if I used it I agree I think I’d be mad.
Makes sense for them though, it’s extra work to support old formats and old quirks each device might have. There’s got to be an alternative, but I’m not sure what it would be.