FBInk on Ito Archives

Kindle Video Playback Hack

Thu, 27 Aug 2026 01:24:00 -0400

Prerequsite

The Kindle needs to be jailbroken.
Terimnal access on Kindle (Kterm or SSH)
- Generate a directory to store all temporary files on Kindle, using /mnt/us/demo/ for example in this tutorial.

Slice Video Frames

i=INPUT.mp4; w=1236; h=1648;
# Adjust resolution accordingly:
# - Kindle Paperwhite (11th gen.): 1236x1648
# - Kindle Paperwhite (12th gen.): 1264×1680
# - Kindle Colorsoft: 1264×1680

mkdir -p ./frames && ffmpeg -i "$i" \
-vf "transpose=1,\
	scale=$w:$h:force_original_aspect_ratio=decrease,\
	pad=$w:$h:(ow-iw)/2:(oh-ih)/2,\
	format=gray" \
-r 5 ./frames/frames_%04d.png

Copy all PNG images (the frames folder) to Kindle, put under /mnt/us/demo/.