extruct
Extract embedded metadata from HTML markup
Decision gist · record as of 2026-08-14
Yes. extruct is actively maintained, has no known vulnerabilities, supports current Python versions (3.8–3.12), and installs with low friction. It solves a real problem—unified extraction of multiple metadata formats—that would otherwise require juggling separate parsers. The permissive license and 971 repository stars indicate solid community adoption. Install it if you need to reliably extract structured metadata from HTML in production or research contexts.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low install friction with a pure-Python wheel.
- Active maintenance with recent commits and 971 repository stars.
- Supports Python 3.8 through 3.12.
License · maintenance · safety
permissive license (permissive) — Permissive license allows commercial and private use without restriction.
last release 2024-11-08 (644 days) · last repo commit 2026-04-01 · 971 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 659,409 downloads/mo, #5,463 on PyPI
Alternatives
Verify before relying
pip install extruct
import extruct
from w3lib.html import get_base_url
html = '<html>...</html>'
base_url = 'https://example.com'
data = extruct.extract(html, base_url=base_url)- Performance characteristics when processing large HTML documents or batch operations
- Specific version compatibility matrix for each metadata format parser (mf2py, rdflib, pyrdfa3)
- Whether experimental RDFa support is production-ready
What it is and what it does
extruct is a metadata extraction library that parses HTML documents and pulls out structured data embedded in standard formats. It handles W3C Microdata (including schema.org), JSON-LD, Microformats, Open Graph tags, RDFa, and Dublin Core metadata—all through a single unified interface. You pass it an HTML string and optional base URL, and it returns a dictionary keyed by format type, each containing the extracted data.
The library wraps several specialized parsers (lxml, rdflib, mf2py, pyrdfa3) and HTML utilities (w3lib, html-text, jstyleson) to normalize their output. It's commonly used in web scraping, SEO analysis, and data integration pipelines where you need to reliably extract metadata that content publishers have embedded for search engines, social media, or semantic web applications.
Use it for
- Extract schema.org Microdata from e-commerce product pages to build product catalogs
- Parse Open Graph tags from web pages for social media link previews and metadata
- Harvest JSON-LD structured data from news articles and blog posts for content indexing
- Extract Microformats from personal websites and social profiles for contact/event data
- Build semantic web applications by parsing RDFa annotations from HTML documents
- Aggregate Dublin Core metadata from institutional or library websites
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
extruct is actively maintained, has no known vulnerabilities, supports current Python versions (3.8–3.12), and installs with low friction. It solves a real problem—unified extraction of multiple metadata formats—that would otherwise require juggling separate parsers. The permissive license and 971 repository stars indicate solid community adoption. Install it if you need to reliably extract structured metadata from HTML in production or research contexts.
Install
extruct on PyPI
Before you install
Low install friction with a pure-Python wheel. Active maintenance with recent commits and 971 repository stars. Supports Python 3.8 through 3.12.
License in practice
Permissive license allows commercial and private use without restriction.
Quickstart
pip install extruct
import extruct
from w3lib.html import get_base_url
html = '<html>...</html>'
base_url = 'https://example.com'
data = extruct.extract(html, base_url=base_url)Verify before relying
- Performance characteristics when processing large HTML documents or batch operations
- Specific version compatibility matrix for each metadata format parser (mf2py, rdflib, pyrdfa3)
- Whether experimental RDFa support is production-ready
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 8 packageslxmllxml-html-cleanrdflibpyrdfa3mf2pyw3libhtml-textjstyleson |
| Maintenance | Actively maintained 644 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 659,409 / month, #5,463 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersLicense :: OSI Approved :: BSD LicenseNatural Language :: EnglishOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9 |
Evidence: extruct-0.18.0-py2.py3-none-any.whl
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