unified

remark is a popular tool that transforms markdown with plugins. These plugins can inspect and change your markup. You can use remark on the server, the client, CLIs, deno, etc.

utility to visit nodes

Markdown component for React

utility to recursively walk over unist nodes, with ancestral information

utility to check if a node passes a test

utility to transform mdast to hast

utility to create hast trees

utility to serialize a node, position, or point as a human readable location

utility to get the plain text content of an mdast node

utility to create a vfile message

utility to create a new trees with a nice syntax

utility to convert between positional (line and column-based) and offset (range-based) locations

utility to transform hast to something else through a hyperscript DSL

utility to remove positions from a tree

utility to get the position of a node

utility to check if a node is generated

utility to create an element from a simple CSS selector

utility to transform Parse5’s AST to hast

utility to find definition nodes in an mdast tree

mdast utility to parse markdown

utility to remove nodes from a tree

utility to reparse a hast tree

utility to transform hast to Parse5’s AST

utility to remove empty paragraphs from an mdast tree

Legacy plugin to add support for pandoc footnotes — please use remark-gfm instead

plugin to remove empty (or white-space only) paragraphs

mdast utility to serialize markdown

plugin that turns markdown into HTML to support rehype

remark plugin to support GFM (autolink literals, footnotes, strikethrough, tables, tasklists)

utility to check if a node is inter-element whitespace

Legacy plugin to add ids to headings — please use rehype-slug

Legacy plugin to automatically add target and rel attributes to external links — please use rehype-external-links instead

mdast utility to find and replace text in a tree

mdast extension to parse and serialize GFM (GitHub Flavored Markdown)

mdast extension to parse and serialize GFM tables

mdast extension to parse and serialize GFM autolink literals

mdast extension to parse and serialize GFM strikethrough

utility to serialize hast to HTML

mdast extension to parse and serialize GFM task list items

micromark extension to support GFM (GitHub Flavored Markdown)

utility to check if a node is a (certain) element

remark plugin to support frontmatter (YAML, TOML, and more)

micromark extension to support GFM strikethrough

utility to find nodes after another node

micromark extension to support GFM autolink literals

micromark extension to support GFM tables

micromark extension to support GFM task list items

micromark extension to support GFM tagfilter

utility to sanitize hast nodes

plugins to minify HTML

esast (and estree) utility to visit nodes

plugin to parse the tree again

plugins to check (lint) markdown code style

mdast extension to parse and serialize MDX or MDX.js JSX

utility to make an mdast tree compact

mdast extension to parse and serialize MDX (or MDX.js)

unist utility to get a position from an estree node

mdast extension to parse and serialize MDX.js ESM (import/exports)

mdast extension to parse and serialize MDX or MDX.js expressions

mdast extension to parse and serialize frontmatter (YAML, TOML, etc)

mdast extension to parse and serialize GFM footnotes

utility to check if a node has a property

utility to transform an nlcst tree to a string

utility to get the plain-text value of a node according to the innerText algorithm

unist utility to find a node after another node

micromark extension to support MDX JS import/exports

utility to create a vfile from a filepath

micromark extension to support MDX.js

micromark extension to support MDX or MDX.js JSX

micromark extension to support frontmatter (YAML, TOML, etc)

micromark extension to support GFM footnotes

plugin to add id attributes to headings

micromark extension to turn some markdown features off for MDX

utility to modify direct children of a parent

utility to get the rank (or depth, level) of headings

plugin to transform to React

plugin to add links to headings in HTML

utility to add querySelector, querySelectorAll, and matches support for hast

utility to sort messages by line/column

plugin to generate a table of contents (TOC)

utility to count messages per category: failures, warnings, etc

utility to generate a table of contents from an mdast tree

utility to select unist nodes with CSS-like selectors

hast utility to transform to estree (JavaScript AST) JSX

unist utility to visit direct children of a parent

utility to inspect nodes

micromark extension to support MDX or MDX JS expressions

plugin to add support for serializing HTML

utility to create a report for a vfile

utility to create a new tree by mapping all nodes

utility to parse a comment marker in mdast

remark plugin to link references to commits, issues, pull-requests, and users, like on GitHub

Engine to process multiple files with unified

utility to create a new tree with nodes that pass a filter

plugin to add break support, without needing spaces

plugin to sanitize HTML

utility to get the style of an mdast heading

utility to transform mdast to nlcst

remark and rehype plugins to support math

plugin to enable, disable, and ignore messages

utility to transform hast (HTML) to mdast (markdown)

Create CLIs for unified processors

utility to transform a DOM tree to hast

plugin to enable, disable, and ignore messages

plugin to transform from remark (Markdown) to retext (natural language)

utility to find one or more files by searching the file system upwards

utility to parse the YAML front matter in a vfile

utility to check if a node is phrasing content

plugin to check for possible insensitive, inconsiderate language

plugin to implement SmartyPants

utility to search for patterns in an nlcst tree

utility to check whether an nlcst node is meant literally

mdast extension to parse and serialize math

utility to use headings as ranges in mdast

utility to normalize an nlcst word for easier comparison

utility to check if a node is an embedded element

utility to check if an mdast node is phrasing content

plugin to extract keywords and key-phrases

plugin remove Markdown formatting

Legacy plugin to transform to React — please use remark-rehype and rehype-react instead

A rehype plugin that adds a table of contents (TOC) to the page

mdast extension to parse and serialize footnotes

remark plugin to support directives

utility to treat HTML comments as ranges or markers in mdast

plugin to change links and images to references with separate definitions

plugin to check that Markdown links and images reference existing files and headings

A rehype plugin to inspect, validate, or rewrite URLs anywhere in an HTML document

plugin to check for profane and vulgar wording

plugin to check if indefinite articles (a and an) are used correctly

plugin to remove the wrapping paragraph for images

plugin to check for for repeated words

utility to transform hast to nlcst

plugin to generate a list of contributors

utility to index property values or computed keys to nodes

plugin to check spelling

micromark extension to support generic directives (:cite[smith04])

utility to get the source of a node or position

rehype plugin to add rel (and target) to external links

plugin to ignore unrelated CI messages

Legacy micromark extension to support footnotes

New syntax to add attributes to Markdown.

utility to check if a node is heading content

plugin to add a usage example to your readme

plugin to check quotes and apostrophes

mdast extension to parse and serialize generic directives (:cite[smith04])

utility to find and replace text in a hast tree

plugin to configure remark with comments

plugin to check spacing between sentences

utility to transform hast to a DOM tree

Rewrite element with rehype.

plugin to check readability

plugin to configure remark with YAML frontmatter

plugin to check for redundant acronyms (such as ATM machine to ATM)

plugin to check for proper use of diacritics

plugin to check apostrophes in elided contractions

unist utility to add references to parents on nodes in a tree

plugin to turn gemoji shortcodes into emoji 👍

utility to make sure there is no more than a single top-level heading in the document

utility to create a pretty report for a vfile

utility to find one or more files by searching the file system downwards

plugin to transform from HTML (rehype) to prose (retext)

micromark extension to support MDX (agnostic to JavaScript)

utility to estimate the reading time