What features are supported or unsupported in pdfHTML?

<!--...-->

❌

Defines a comment

<!DOCTYPE> 

❌

Defines the document type

<a>

✅

Defines a hyperlink

<abbr>

✅

Defines an abbreviation or an acronym

<address>

✅

Defines contact information for the author/owner of a document

<applet>

❌

Not supported in HTML5. Use <embed> or <object> instead. Defines an embedded applet

<area>

❌

Defines an area inside an image-map

<article>

✅

Defines an article

<aside>

✅

Defines content aside from the page content

<audio>

❌

Defines sound content

<b>

✅

Defines bold text

<base>

❌

Specifies the base URL/target for all relative URLs in a document

<basefont>

❌

Not supported in HTML5. Use CSS instead. Specifies a default color, size, and font for all text in a document

<bdi>

✅

Isolates a part of text that might be formatted in a different direction from other text outside it

<bdo>

❌

Overrides the current text direction

<blockquote>

✅

Defines a section that is quoted from another source

<body>

✅

Defines the document's body

<br>

✅

Defines a single line break

<button>

✅

Defines a clickable button

<canvas>

✅

Used to draw graphics, on the fly, via scripting (usually JavaScript)

<caption>

✅

Defines a table caption

<cite>

✅

Defines the title of a work

<code>

✅

Defines a piece of computer code

<col>

✅

Specifies column properties for each column within a <colgroup> element 

<colgroup>

✅

Specifies a group of one or more columns in a table for formatting

<datalist>

❌

Specifies a list of pre-defined options for input controls

<dd>

✅

Defines a description/value of a term in a description list

<del>

✅

Defines text that has been deleted from a document

<details>

❌

Defines additional details that the user can view or hide

<dfn>

✅

Represents the defining instance of a term

<dialog>

❌

Defines a dialog box or window

<div>

✅

Defines a section in a document

<dl>

✅

Defines a description list

<dt>

✅

Defines a term/name in a description list

<em>

✅

Defines emphasized text 

<embed>

❌

Defines a container for an external (non-HTML) application

<fieldset>

❌

Groups related elements in a form

<figcaption>

✅

Defines a caption for a <figure> element

<figure>

✅

Specifies self-contained content

<footer>

✅

Defines a footer for a document or section

<form>

✅

Defines an HTML form for user input

<h1> to <h6>

✅

Defines HTML headings

<head>

✅

Defines information about the document

<header>

✅

Defines a header for a document or section

<hr>

✅

Defines a thematic change in the content

<html>

✅

Defines the root of an HTML document

<i>

✅

Defines a part of text in an alternate voice or mood

<iframe>

❌

Defines an inline frame

<img>

✅

Defines an image

<input>

✅

Defines an input control

<ins>

✅

Defines a text that has been inserted into a document

<kbd>

✅

Defines keyboard input

<keygen>

❌

Defines a key-pair generator field (for forms)

<label>

✅

Defines a label for an <input> element

<legend>

✅

Defines a caption for a <fieldset> element

<li>

✅

Defines a list item

<link>

✅

Defines the relationship between a document and an external resource (most used to link to style sheets)

<main>

✅

Specifies the main content of a document

<map>

❌

Defines a client-side image-map

<mark>

✅

Defines marked/highlighted text

<menu>

❌

Defines a list/menu of commands

<menuitem>

❌

Defines a command/menu item that the user can invoke from a popup menu

<meta>

✅

Defines metadata about an HTML document

<meter>

❌

Defines a scalar measurement within a known range (a gauge)

<nav>

✅

Defines navigation links

<noscript>

❌

Defines an alternate content for users that do not support client-side scripts

<object>

❌ We support only SVG content

Defines an embedded object

<ol>

✅

Defines an ordered list

<optgroup>

✅

Defines a group of related options in a drop-down list

<option>

✅

Defines an option in a drop-down list

<output>

❌

Defines the result of a calculation

<p>

✅

Defines a paragraph

<pre>

✅

Defines preformatted text

<progress>

❌

Represents the progress of a task

<q>

✅

Defines a short quotation

<rp>

❌

Defines what to show in browsers that do not support ruby annotations

<rt>

❌

Defines an explanation/pronunciation of characters (for East Asian typography)

<ruby>

❌

Defines a ruby annotation (for East Asian typography)

<s>

✅

Defines text that is no longer correct

<samp>

✅

Defines sample output from a computer program

<script>

❌

Defines a client-side script

<section>

✅

Defines a section in a document

<select>

✅

Defines a drop-down list

<small>

✅

Defines smaller text

<source>

❌

Defines multiple media resources for media elements (<video> and <audio>)

<span>

✅

Defines a section in a document

<strong>

✅

Defines important text

<style>

✅

Defines style information for a document

<sub>

✅

Defines subscripted text

<summary>

❌

Defines a visible heading for a <details> element

<sup>

✅

Defines superscripted text

<table>

✅

Defines a table

<tbody>

❌

Groups the body content in a table

<td>

✅

Defines a cell in a table

<textarea>

✅

Defines a multiline input control (text area)

<tfoot>

✅

Groups the footer content in a table

<th>

✅

Defines a header cell in a table

<thead>

✅

Groups the header content in a table

<time>

✅

Defines a date/time

<title>

✅

Defines a title for the document

<tr>

✅

Defines a row in a table

<track>

❌

Defines text tracks for media elements (<video> and <audio>)

<u>

✅

Defines text that should be stylistically different from normal text

<ul>

✅

Defines an unordered list

<var>

✅

Defines a variable

<video>

❌

Defines a video or movie

<wbr>

❌

Defines a possible line-break

background-attachment

❌

background-clip

✅

background-color

✅

background-image

✅

background-origin

✅

background-position

✅

background-repeat

✅

background-size

✅

background

✅

background-position-x

✅

background-position-y

✅

border-bottom-color

✅

border-bottom-style

✅

border-bottom-width

✅

border-bottom

✅

border-left-color

✅

border-left-style

✅

border-left-width

✅

border-left

✅

border-right-color

✅

border-right-style

✅

border-right-width

✅

border-right

✅

border-top-color

✅

border-top-style

✅

border-top-width

✅

border-top

✅

border-color

✅

border-style

✅

border-width

✅

border

✅

border-bottom-left-radius

✅

border-bottom-right-radius

✅

border-top-left-radius

✅

border-top-right-radius

✅

border-radius

✅

border-image-outset

❌

border-image-repeat

❌

border-image-slice

❌

border-image-source

❌

border-image-width

❌

border-image

❌

box-shadow

❌

accent-color

❌

appearance

❌

caret

❌

caret-color

❌

caret-shape

❌

cursor

❌

nav-down

❌

nav-left

❌

nav-right

❌

nav-up

❌

outline

✅

outline-color

✅

outline-style

✅

outline-width

✅

outline-offset

✅

pointer-events

❌

resize

❌

user-select

❌

font

✅

font-family

✅

font-feature-settings

❌

font-kerning

❌

font-language-override

❌

font-optical-sizing

❌

font-palette

❌

font-size

✅

font-size-adjust

❌

font-stretch

❌

font-style

✅

font-weight

✅

font-synthesis

❌

font-synthesis-position

❌

font-synthesis-small-caps

❌

font-synthesis-style

❌

font-synthesis-weight

❌

font-variant

❌

font-variant-alternates

❌

font-variant-caps

❌

font-variant-east-asian

❌

font-variant-emoji

❌

font-variant-ligatures

❌

font-variant-numeric

❌

font-variant-position

❌

font-variation-settings

❌

align-content

✅

align-items

✅

align-self

❌ Supported for flex

column-gap

✅

gap

✅

justify-content

❌ Supported for flex

justify-items

❌

justify-self

❌

place-content

❌

place-items

❌

place-self

❌

row-gap

✅

margin

✅

margin-bottom

✅

margin-left

✅

margin-right

✅

margin-top

✅

margin-trim

✅

padding

✅

padding-bottom

✅

padding-left

✅

padding-right

✅

padding-top

✅

aspect-ratio

❌

box-sizing

✅

contain-intrinsic-block-size

❌

contain-intrinsic-height

❌

contain-intrinsic-inline-size

❌

contain-intrinsic-size

❌

contain-intrinsic-width

❌

height

✅

max-height

✅

max-width

✅

min-height

✅

min-width

✅

width

✅

color

✅

opacity

✅

background-blend-mode

✅

isolation

❌

mix-blend-mode

❌

display

✅

order

✅ for flex

❌ for grid

visibility

❌

reading-flow

❌

reading-order

❌

float

✅

backdrop-filter

❌

filter

❌

align-content

✅

align-items

✅

align-self

✅

flex

✅

flex-basis

✅

flex-direction

✅

flex-flow

✅

flex-grow

✅

flex-shrink

✅

flex-wrap

✅

justify-content

✅

box-decoration-break

❌

break-after

❌

break-before

❌

break-inside

❌

orphans

✅

widows

✅

content

✅

quotes

✅

grid-auto-columns

✅

grid-auto-flow

✅

grid-auto-rows

✅

grid-template-columns

✅

grid-template-rows

✅

grid-template-areas

✅

grid-template

✅

grid

✅

grid-column-start

✅

grid-column-end

✅

grid-column

✅

grid-row-start

✅

grid-row-end

✅

grid-row

✅

grid-area

✅

image-orientation

❌

image-rendering

❌

image-resolution

❌

object-fit

✅

object-position

❌

alignment-baseline

❌

dominant-baseline

❌

initial-letter

❌

line-height

✅

text-box-edge

❌

text-box-trim

❌

text-box

❌

vertical-align

✅

counter-increment

✅

counter-reset

✅

counter-set

❌

list-style-image

✅

list-style-type

✅

list-style-position

✅

list-style

✅

offset

✅

offset-anchor

❌

offset-distance

❌

offset-path

❌

offset-position

❌

offset-rotate

❌

break-after

❌

break-before

❌

break-inside

❌

column-fill

❌

column-gap

❌

column-span

❌

column-rule

✅

column-rule-color

✅

column-rule-style

✅

column-rule-width

✅

columns

✅

column-count

✅

column-width

✅

@page at-rule

✅

using named pages: 'page' property

❌

:left (even pages)

✅

:right (uneven pages)

✅

:first

✅

:blank

❌

:recto

❌

:verso

❌

size

✅

marks

✅

bleeds (*)

✅

@top-left-corner

✅

@top-left

✅

@top-center

✅

@top-right

✅

@top-right-corner

✅

@bottom-left-corner

✅

@bottom-left

✅

@bottom-center

✅

@bottom-right

✅

@bottom-right-corner

✅

@left-top

✅

@left-middle

✅

@left-bottom

✅

@right-top

✅

@right-middle

✅

@right-bottom

✅

background props

✅

border props

✅

font props

✅

margin props (margin-top, margin-right, margin-bottom, margin-left, margin)

✅

padding props

✅

text props

✅

counter props

✅

quotes

✅

line-height

✅

color

✅

vertical-align

✅

content (text string, image as <url> including base64, quote properties, attr(), counter()/counters(), target-* functions, gradient)

✅

content — unsupported: leader(), Named strings: string() and content() functions and 'string-set' property, bookmarks

❌

height

✅

width

✅

custom sizing (e.g. 210mm 297mm)

✅

Margin boxes with min-width, max-width, min-height, max-height

✅

portrait / landscape

✅

outline props

❌

visibility

❌

z-index

❌

page-break-before

✅

page-break-after

✅

page-break-inside

✅

page-break always

✅

page-break widows

✅

page-break orphans

✅

page-break global values (inherit, unset, initial, revert, revert-layer)

❌

Multi-page content handling

✅

overflow

❌

top

✅

right

✅

bottom

✅

left

✅

inset

❌

inset-inline

❌

inset-inline-start

❌

inset-inline-end

❌

inset-block

❌

inset-block-start

❌

inset-block-end

❌

position

✅

z-index

❌

overlay

❌

::after

✅

::before

✅

::file-selector-button

❌

::first-letter

❌

::first-line

❌

::grammar-error

❌

::highlight()

❌

::marker

❌

::placeholder

✅

::selection

❌

::spelling-error

❌

::target-text

❌

border-collapse

✅

border-spacing

✅

caption-side

✅

empty-cells

❌

table-layout

❌

hanging-punctuation

❌

hyphenate-character

❌

hyphenate-limit-chars

❌

hyphens

✅

letter-spacing

✅

line-break

❌

overflow-wrap (and the word-wrap alias)

✅

tab-size

❌

text-align

✅

text-align-last

❌

text-indent

✅

text-justify

❌

text-spacing-trim (Experimental)

❌

text-transform

✅

text-wrap

❌

text-wrap-mode

❌

text-wrap-style

❌

white-space

✅

white-space-collapse

❌

word-break

✅

word-spacing

✅

text-decoration

✅

text-decoration-color

✅

text-decoration-line

✅

text-decoration-skip

❌

text-decoration-skip-ink

❌

text-decoration-style

❌

text-decoration-thickness

❌

text-emphasis

❌

text-emphasis-color

❌

text-emphasis-position

❌

text-emphasis-style

❌

text-shadow

❌

text-underline-offset

❌

text-underline-position

❌

direction

✅

text-combine-upright

❌

text-orientation

❌

unicode-bidi

❌

writing-mode

❌