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FAQ
What is a user agent string?
Can I paste a custom user agent?
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About UA Parser
UA Parser solves a specific problem that comes up daily for anyone dealing with developer and design work: doing it once, fast, without an account. The goal was to keep the path from "open the page" to "get the result" as short as possible. No mandatory account, no cookie wall, no upsell at every step. It pairs naturally with the other developer utilities here when you need to chain a quick workflow.
When you'd reach for UA Parser
You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.
Marketers and ops people whose primary tool is metered.
Stay productive without burning credits.
You need to handle a one-off task right before a meeting and don't have time to install anything.
Anyone working remotely on a borrowed or restricted machine.
Open the page, get the result, paste it into your doc — under a minute.
You're on a public or shared machine and don't want to leave traces of what you're working on.
Travelers, contractors, anyone working from a friend's computer.
Nothing is uploaded, nothing persists if you're not signed in.
You're cleaning up a folder of files that accumulated over a project and need to standardize them.
Designers, writers, and developers wrapping up deliverables.
Drop each file in, copy the output, move on.
Frequently asked about UA Parser
- Are my files uploaded to a server when I use UA Parser?
- UA Parser processes everything in your browser using local APIs. Your files never leave your device.
- Will UA Parser change my original file?
- Never. UA Parser only reads your input file and produces a new output file.
- Does UA Parser work on mobile?
- Yes, UA Parser is fully responsive and tested on iOS Safari and Android Chrome.
- Can I use UA Parser commercially?
- Yes. The output of UA Parser belongs entirely to you, with no licensing restrictions.
- What browsers does UA Parser support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
