321Kit Tools ready in 3, 2, 1.

Developer / Quick tool

User-Agent Parser

Get a practical browser, engine, operating system and device summary from a User-Agent string.

● Processed locally in your browser
Processed locally in your browser
Current: User-Agent Parser · Switch to 89 other tools in this workbench
Parsed summary Choose an action to process the input.

User-Agent detection is heuristic and can be spoofed.

How to useHow to use User-Agent Parser

Get a practical browser, engine, operating system and device summary from a User-Agent string.

  1. 1

    Paste content, enter parameters or choose the files you need in “User-Agent string”.

  2. 2

    Choose “Parse User-Agent” for the job. Processing runs in this browser.

  3. 3

    Review the result under “Parsed summary”, then copy or download it after checking the output.

Related tools

Keep working

JWT Decoder

Inspect a JWT header and payload locally without sending or verifying the token.

Unix Timestamp Converter

Convert Unix seconds, milliseconds or an ISO date into readable UTC and local time.

Word & Character Counter

Count words, characters, lines, sentences and estimated reading time locally.

Query String Parser

Parse a URL or query string into readable JSON, including repeated parameters.

← Back to developer workbench