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Free Online User Agent Parser

Extract common browser, operating system and device hints from a supplied User-Agent string. This is a heuristic; strings can be spoofed or reduced.

Your input stays on this device. Processing is bounded; regex runs in a worker with a two-second timeout.

Result



How to use User Agent Parser
Extract common browser, operating system and device hints from a supplied User-Agent string. This is a heuristic; strings can be spoofed or reduced.
  1. Set Text.
  2. Run the tool, review the result and its stated limitations, then copy or download if needed.
Example & practical use
Extract common browser, operating system and device hints from a supplied User-Agent string. This is a heuristic; strings can be spoofed or reduced. The example below demonstrates Text.
Example input:
{
  "text": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/120.0.0.0 Safari/537.36"
}
Expected result (relevant fields):
{
  "browser": "Chrome",
  "version": "120.0.0.0",
  "os": "Windows"
}
Features & result limitations
Extract common browser, operating system and device hints from a supplied User-Agent string. This is a heuristic; strings can be spoofed or reduced.
Frequently asked questions
What inputs does User Agent Parser accept?
Text
How should I interpret the User Agent Parser result?
Extract common browser, operating system and device hints from a supplied User-Agent string. This is a heuristic; strings can be spoofed or reduced.
Where does User Agent Parser process my data?
Inputs are processed locally in your browser. Submitted text is not sent to external services. A successful-run event increments an aggregate tool counter without your input.