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#1 |
Grand Sorcerer
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Karma: 85000001
Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Kindles
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Send-to-kindle delivering KFX format to more devices
Amazon's send to Kindle accepts user-supplied books via email, web, or app and converts them to Kindle formats for delivery to various Kindle reading apps and devices. Until recently only Scribe devices received personal documents in KFX format. All other Kindles received either KF8 (azw3) or MOBI format.
This appears to have changed in the last few days so that now most apps and devices that support KFX will receive personal documents in that format. The main exception appears to be the Kindle for PC app which still does not get KFX. It is not yet clear why Amazon is doing this. One possibility is that they are preparing to allow hand drawn annotations to be viewed or created on non-Scribe devices and doing that requires KFX format. Another possible reason is that this is being done as part of a general shift away from the older Kindle formats. I do not know if this change applies to everyone in every region. I see it for my own newly sent personal documents and saw a report on Reddit of someone else experiencing the same thing. I am curious to hear if this change is universal or limited. |
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#2 |
Guru
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Karma: 10500006
Join Date: Feb 2010
Location: Serbia
Device: Kindle PW5, Kobo Libra 2, Kindle PW1
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Doesn't seem to be global. I've done a quick test with 2 different epub files. One was send using email and the other using amazon.com/sendtokindle web app. Amazon.com account with country for digital content set to Serbia.
Books were delivered to Kindle for Android v8.85.0.100(1.3.296551.0) on mobile phone with Android 10 & also to Kindle PW5 with firmware v5.14.1.1. azw3 format was downloaded in both cases. |
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#3 |
Connoisseur
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Karma: 213232
Join Date: Mar 2022
Device: android
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I'm from zimbabwe. I agree not global yet. I think they night usually Start with usa and Canada first then the world.
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#4 |
Connoisseur
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Karma: 213232
Join Date: Mar 2022
Device: android
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I just tried sending a doc today. Seems to be still in azw3 format on Android 12. Using latest kindle for android.
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#5 |
Connoisseur
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Karma: 213232
Join Date: Mar 2022
Device: android
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Out of curiosity jhowell which method did you use to send. Kindle on the web or send to on Android/other device
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#6 |
Grand Sorcerer
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Join Date: Apr 2009
Location: USA
Device: iPhone 15PM, Kindle Scribe, iPad mini 6, PocketBook InkPad Color 3
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The method should not matter, everything feeds into the same web service.
It's enabled for every Kindle devices/apps that I've checked so far: Fire HD 10, Paperwhite 11 gen, iPhone, iPads (including one that was not on latest version of Kindle app) etc. The only exception is my Fire HD 6. And Galaxy Tab Kindle app lacks Alignment option, but scrolling and page flip work (updated the app and re-downloaded, still no Alignment option). Note that anything previously sent as ePub will now download as KFX for users that the feature is turned on for. Personally, I've been waiting/hoping for this change since I got a Scribe in February. So this makes me very happy. The other shoe to drop will be when other devices and apps start getting Print Replica instead of low function PDF. The third shoe will be when Scribe gets access to most or all Kindle Store Print Replica content. I presume Share will be restricted to Notes and Highlights and not the entire document as with personal documents in this format. Last edited by tomsem; 09-22-2023 at 01:44 PM. |
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#7 |
just an egg
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Karma: 5041066
Join Date: Mar 2015
Device: Kindle, iOS
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As far as I can tell, I'm not getting KFX on iPhone or iPad. Is there an easy way to identify what I'm getting?
For both Kindle for Mac 1.40.1 and the new Mac beta, I'm getting old mobi (not azw3). |
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#8 | |
Grand Sorcerer
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Karma: 26963509
Join Date: Apr 2009
Location: USA
Device: iPhone 15PM, Kindle Scribe, iPad mini 6, PocketBook InkPad Color 3
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Quote:
If it's not working for you, you are not one of the Chosen. (what region are you in?). Kindle Classic is EOL and I doubt they'll flip the switch for it, even if they could. |
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#9 |
Connoisseur
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Karma: 10
Join Date: Jun 2023
Device: Kindle Scribe
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I can confirm I got KFX on Android 11
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#10 | |
Grand Sorcerer
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Karma: 85000001
Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Kindles
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Quote:
Tap the middle of the screen while in a book. If the lower left corner of the screen that comes up has a 3x3 grid of dots then it is KFX format. |
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#11 | ||
just an egg
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Karma: 5041066
Join Date: Mar 2015
Device: Kindle, iOS
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Quote:
Quote:
![]() ETA: I am now one of the Chosen! 26 Sep Last edited by odamizu; 09-26-2023 at 02:56 AM. |
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#12 |
Enthusiast
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Karma: 50
Join Date: May 2022
Location: Brazil
Device: PW3 and PW5
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That's great news!
I suppose there's no need to update the Kindle to the latest firmware 5.16.3, right? I don't want to update and lose the jailbreak. ![]() |
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#13 |
Grand Sorcerer
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Join Date: Apr 2009
Location: USA
Device: iPhone 15PM, Kindle Scribe, iPad mini 6, PocketBook InkPad Color 3
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#14 |
Grand Sorcerer
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Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Kindles
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My Oasis 2 running 5.16.2.1.1 firmware is receiving personal documents in KFX. I also have a Paperwhite 3 running 5.15.1 firmware and that is not receiving personal documents in KFX even though it receives purchased books in KFX. So there is a software version cutoff involved.
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#15 | |
Enthusiast
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Karma: 50
Join Date: May 2022
Location: Brazil
Device: PW3 and PW5
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Thread | Thread Starter | Forum | Replies | Last Post |
Choose what format to send to specific devices | coolioniki | Calibre | 1 | 11-20-2022 11:57 AM |
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New Kindle's KFX file format | DeepVoid | Library Management | 14 | 04-21-2017 10:28 AM |
Only send news to some devices or ignore some devices? | barium | Devices | 3 | 07-23-2011 10:01 PM |