User Agent Generator
User agents for testing and debugging
User-Agent headers help teams reproduce browser-specific behavior in test clients, logs, and request tooling.
Common browser profiles
Generate strings for Chrome, Safari, Firefox, and Edge across desktop and mobile platforms.
Instant randomization
Create a fresh valid-looking string when you need quick test variation.
Copy-ready output
Paste the generated value into curl, Postman, test clients, QA tools, or logs.
How it works
Each tool is designed around a direct job: provide the input, get a useful output, and move it into your workflow.
- 1
Choose a browser
Select Chrome, Safari, Firefox, Edge, or random.
- 2
Choose a platform
Pick desktop, iPhone, iPad, Android, or random.
- 3
Copy the header
Use the generated string as a User-Agent request header.
Built for practical workflows
These tools are small on purpose: they solve the conversion job quickly, then point teams toward the API path when the workflow becomes recurring or high volume.
QA reproduction
Recreate browser-specific behavior in test requests.
Analytics debugging
Check how systems classify device and browser traffic.
API testing
Add realistic headers to request clients during integration tests.
Scraping needs more than a header
Changing a User-Agent is only one part of reliable web extraction. Olostep handles browser rendering, proxies, retries, and extraction formats for production scraping workflows.
Frequently asked questions
Product & Capabilities
- What is a User-Agent?
A User-Agent is a request header that identifies the browser, device, and operating system making a request.
- Why generate User-Agent strings?
They are useful for testing, debugging, and simulating browser requests in development tools.
- Are these real browser strings?
They follow common modern User-Agent formats for popular browsers and platforms.
Usage & Automation
- Does a User-Agent bypass bot protection?
No. A header alone is not enough for reliable scraping or access. Production extraction needs browser and network infrastructure.
- Can I use the output with curl?
Yes. Use it as the value of the User-Agent header.
- Can I generate mobile strings?
Yes. The generator supports iPhone, iPad, and Android-style strings.
Pricing & Plans
- Is this generator free?
Yes. It runs in the browser and does not require API usage.
- When do I need Olostep?
Use Olostep when you need reliable browser-based extraction rather than simple header generation.
- Can Olostep manage headers automatically?
Olostep handles request and rendering infrastructure for extraction workflows.