cf-browser
Python SDK for CF Browser — read any JavaScript-rendered web page from Python.
Installation
pip install cf-browser
Usage
from cf_browser import CFBrowser
async with CFBrowser(
base_url="https://cf-browser.YOUR-SUBDOMAIN.workers.dev",
api_key="your-api-key",
) as browser:
# Read a page as Markdown
md = await browser.markdown("https://react.dev")
# Take a screenshot
png = await browser.screenshot("https://example.com", width=1280)
# AI-powered data extraction
data = await browser.json_extract(
"https://news.ycombinator.com",
prompt="Extract top 5 stories with title and score",
)
# Accessibility tree (low token cost)
tree = await browser.a11y("https://example.com")
# Authenticated scraping
md = await browser.markdown(
"https://app.example.com/dashboard",
cookies=[{"name": "session", "value": "abc", "domain": ".example.com"}],
)
Methods
| Method | Returns | Description |
|---|---|---|
content(url) |
str |
Rendered HTML |
markdown(url) |
str |
Clean Markdown |
screenshot(url) |
bytes |
PNG image |
pdf(url) |
bytes |
PDF document |
snapshot(url) |
dict |
HTML + metadata |
scrape(url, selectors) |
dict |
Elements by CSS selector |
json_extract(url, prompt) |
dict |
AI-extracted data |
links(url) |
list[dict] |
All hyperlinks |
a11y(url) |
dict |
Accessibility tree |
crawl(url) |
str |
Async crawl job ID |
crawl_status(job_id) |
dict |
Job status |
crawl_wait(job_id) |
dict |
Wait for completion |
All methods accept no_cache=True, cookies, and headers kwargs.
Requirements
- Python 3.10+
- A deployed CF Browser Worker
License
Metadata
Release files for cf-browser 2.0.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| cf_browser-2.0.0.tar.gz | 13.6 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| cf_browser-2.0.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 26.3 kB
Release files / cf_browser-2.0.0.tar.gz
| Download URL | cf_browser-2.0.0.tar.gz |
|---|---|
| Size | 13.6 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
21a9f1db8eeb96727d89bed8d4beff53e42742209db5c9174a204b17645a63d4
|
|
BLAKE2b-256 checksum How to use checksums |
a2133facf0bb8d24500e394c52764724bc2ad96da24996ed8e141320a9ec48cb
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/6.1.0 CPython/3.13.7
|
Provenance
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PyPI Publish Attestation
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Signed by GitHub Actions, verified by PyPI on Mar 16, 2026.
Transparency logRelease files / cf_browser-2.0.0-py3-none-any.whl
| Download URL | cf_browser-2.0.0-py3-none-any.whl |
|---|---|
| Size | 12.7 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
211899d8342763f655caf4f5610554cad24d53f4003f90ec11df495d10a17f12
|
|
BLAKE2b-256 checksum How to use checksums |
9d8d8b480dc2d30702c36d729b4209aa5eed630c3cddfa1ace046c8d9b4943e6
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/6.1.0 CPython/3.13.7
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Mar 16, 2026.
Transparency log