ua-generator
A random user-agent generator
Decision gist · record as of 2026-08-14
Yes. The package is lightweight, dependency-free, actively maintained, and solves a common need in web automation and testing. It covers modern browsers and platforms with hardcoded versions and includes Client Hints support. The recent release cycle and zero vulnerabilities make it a low-risk choice.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python >= 3.9
- Installs cleanly with no runtime dependencies.
- Actively maintained with a recent release (12 days old) and steady repository activity.
License · maintenance · safety
permissive license (permissive) — Licensed under Apache Software License (permissive), allowing use in commercial and private projects without significant restriction.
last release 2026-08-02 (12 days) · last repo commit 2026-08-09 · 172 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 952,670 downloads/mo, #4,652 on PyPI
Alternatives
Verify before relying
pip install ua-generator
import ua_generator
ua = ua_generator.generate()
print(ua.text) # Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_3) ...
print(ua.headers.get()) # Dict with user-agent and Sec-CH-UA headers- Whether hardcoded user-agent versions remain current between releases without automatic updates
- Performance characteristics when generating large batches of user-agents
What it is and what it does
ua-generator creates randomized user-agent strings that mimic real browsers and devices without relying on external data sources or downloads. The package hardcodes browser and platform versions based on actual releases, allowing you to generate strings for specific combinations of device type (desktop/mobile), platform (Windows, macOS, iOS, Linux, Android), and browser (Chrome, Edge, Firefox, Safari). It also generates corresponding Client Hints headers (Sec-CH-UA fields) that match the user-agent, making it suitable for integration with HTTP libraries like requests, httpx, urllib, and Selenium.
The package has no runtime dependencies and requires only Python 3.9 or later. You can customize generation with options like weighted version selection (favoring newer versions), version ranges, and latest-version-only filtering. The generated output includes the user-agent string itself, parsed metadata (platform, browser), and a headers helper that constructs a complete dictionary of HTTP headers ready to pass to requests or other HTTP clients.
Use it for
- Rotate realistic user-agents in web scrapers to avoid detection and blocking
- Test HTTP client libraries and servers with varied user-agent strings and Client Hints
- Integrate randomized user-agents into Selenium automation to mimic real browser behavior
- Generate matching user-agent and Sec-CH-UA headers for modern web requests
- Populate test fixtures with realistic browser/platform combinations
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
The package is lightweight, dependency-free, actively maintained, and solves a common need in web automation and testing. It covers modern browsers and platforms with hardcoded versions and includes Client Hints support. The recent release cycle and zero vulnerabilities make it a low-risk choice.
Install
ua-generator on PyPI
Before you install
Installs cleanly with no runtime dependencies. Actively maintained with a recent release (12 days old) and steady repository activity.
Requires Python >= 3.9
License in practice
Licensed under Apache Software License (permissive), allowing use in commercial and private projects without significant restriction.
Quickstart
pip install ua-generator
import ua_generator
ua = ua_generator.generate()
print(ua.text) # Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_3) ...
print(ua.headers.get()) # Dict with user-agent and Sec-CH-UA headersVerify before relying
- Whether hardcoded user-agent versions remain current between releases without automatic updates
- Performance characteristics when generating large batches of user-agents
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 12 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 952,670 / month, #4,652 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | License :: OSI Approved :: Apache Software LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3Topic :: Internet :: WWW/HTTP |
Evidence: ua_generator-2.1.3-py3-none-any.whl
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See also fake-useragent · ua-parser · fake-headers · user-agent · latest-user-agents · ua-parser-rs · random-user-agent · device-detector · fake-http-header · browserforge