Frozen-Flask
Freezes a Flask application into a set of static files.
Decision gist · record as of 2026-08-14
Yes, if you need to convert a Flask app to static files for hosting on simple web servers or CDNs. The low install friction, permissive BSD 3-clause license, and active maintenance make it a straightforward choice for this specific task. Best suited to applications with predictable, enumerable routes.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction install with a single runtime dependency on flask.
- The project is dormant (917 days since last release) but remains actively maintained by CourtBouillon; the repository is not archived and has received recent commits.
License · maintenance · safety
permissive license (permissive) — BSD 3-clause license is permissive; you may use, modify, and distribute the package freely in commercial and private projects, provided you retain the copyright notice and disclaimer.
last release 2024-02-09 (917 days) · last repo commit 2024-11-12 · 798 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 226,257 downloads/mo, #9,203 on PyPI
Alternatives
Verify before relying
pip install frozen-flask
from flask import Flask
app = Flask(__name__)
@app.route('/')
def index():
return 'Hello World'- How the package handles dynamic routes, query parameters, or client-side routing in frozen output
- Performance characteristics when freezing applications with many routes
- Compatibility with modern Flask extensions and middleware
- Whether custom route discovery or URL enumeration is required for non-standard routing patterns
What it is and what it does
Frozen-Flask takes a running Flask application and converts it into a static site—a directory of HTML, CSS, and JavaScript files. Instead of serving pages dynamically from Python, the frozen output can be hosted on any web server without any server-side runtime. This is useful when you want the simplicity and performance of static hosting but prefer to author your site in Flask.
The package works by discovering routes in your Flask app, visiting each one, and writing the rendered output to disk. It depends only on flask and integrates directly into your Flask application code. The project has been maintained since 2011 and is currently supported by CourtBouillon, though releases are infrequent.
Use it for
- Convert a Flask blog or documentation site into static files for hosting on GitHub Pages or a CDN
- Generate a static snapshot of a Flask application for archival or offline distribution
- Deploy a Flask site to environments that only support static file serving, reducing infrastructure complexity
- Build a static site workflow where Flask handles templating and routing logic
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need to convert a Flask app to static files for hosting on simple web servers or CDNs.
The low install friction, permissive BSD 3-clause license, and active maintenance make it a straightforward choice for this specific task. Best suited to applications with predictable, enumerable routes.
Install
frozen-flask on PyPI
Before you install
Low friction install with a single runtime dependency on flask. The project is dormant (917 days since last release) but remains actively maintained by CourtBouillon; the repository is not archived and has received recent commits.
License in practice
BSD 3-clause license is permissive; you may use, modify, and distribute the package freely in commercial and private projects, provided you retain the copyright notice and disclaimer.
Quickstart
pip install frozen-flask
from flask import Flask
app = Flask(__name__)
@app.route('/')
def index():
return 'Hello World'Verify before relying
- How the package handles dynamic routes, query parameters, or client-side routing in frozen output
- Performance characteristics when freezing applications with many routes
- Compatibility with modern Flask extensions and middleware
- Whether custom route discovery or URL enumeration is required for non-standard routing patterns
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packageflask |
| Maintenance | Dormant 917 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 226,257 / month, #9,203 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Environment :: Web EnvironmentIntended Audience :: DevelopersLicense :: OSI Approved :: BSD LicenseOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Topic :: Internet :: WWW/HTTP :: Dynamic ContentTopic :: Software Development :: Libraries :: Python Modules |
Evidence: frozen_flask-1.0.2-py3-none-any.whl
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See also pytest-freezer · Flask-Session · Flask · Flask-Silk · Flask-Assets · Flask-AutoIndex · weasyprint · freezegun · Flask-WTF · Flask-Compress