posthtml/posthtml

Health v2 · maintenance only

Adoption not part of the score

2959 stars · 112 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

PostHTML is a small JavaScript library for transforming HTML/XML via a plugin ecosystem. It provides an HTML parser, a node tree API, and a stringifier, with all transformations performed by plain JS plugin functions.

Use cases

• transform html with javascript plugins
• parse html into a node tree and manipulate it
• convert custom elements to standard html tags
• process html templates in a build pipeline
• transform html to svg markup
• post-process generated html files

When to choose

• you need programmatic HTML/XML transformation in Node.js
• you want a lightweight, plugin-based HTML processor similar to PostCSS for CSS
• you are integrating HTML transforms into a Gulp, webpack, or CLI build step

When to avoid

• you need a full DOM implementation with CSS selectors and events
• you are scraping or parsing untrusted real-world web pages where a robust DOM library like cheerio fits better
• you need a complete static site generator or templating engine out of the box

Facets

library · maturity stable

parser templating middleware web-development frontend parsers developer-tools html-parser xml-parser postprocessor plugin-system html-transformer build-pipeline nodejs javascript

Member repositories

For agents

markdown · JSON · MCP: product_card(name="posthtml/posthtml")