Sometimes I need a complete list of HTML elements, old and new, ungrouped. Obsolete/deprecated elements included. Here it is in case you need it too.

html-elements.txt

a
abbr
acronym
address
applet
area
article
aside
audio
b
base
basefont
bdi
bdo
bgsound
big
blink
blockquote
body
br
button
canvas
caption
center
cite
code
col
colgroup
command
content
data
datalist
dd
del
details
dfn
dialog
dir
div
dl
dt
element
em
embed
fieldset
figcaption
figure
font
footer
form
frame
frameset
h1
h2
h3
h4
h5
h6
head
header
hgroup
hr
html
i
iframe
image
img
input
ins
isindex
kbd
keygen
label
legend
li
link
listing
main
map
mark
marquee
menu
menuitem
meta
meter
multicol
nav
nextid
nobr
noembed
noframes
noscript
object
ol
optgroup
option
output
p
param
picture
plaintext
pre
progress
q
rb
rp
rt
rtc
ruby
s
samp
script
section
select
shadow
slot
small
source
spacer
span
strike
strong
style
sub
summary
sup
table
tbody
td
template
textarea
tfoot
th
thead
time
title
tr
track
tt
u
ul
var
video
wbr
xmp