Network & Web
5 tools — all free, all browser-side.
Regex Workbench
Test regular expressions with live match highlighting, group capture, and a library of common patterns like email, URL, phone and more.
Time Zone Converter
Convert times across multiple time zones with a live world clock.
cURL → Code Converter
New
Convert cURL commands to JavaScript, Python, Go, PHP, Ruby, Java, C#, Swift, C++, Rust and more.
User-Agent Parser
New
Parse a User-Agent string into browser, engine, OS and device details.
Subnet / CIDR Calculator
New
Calculate network address, broadcast, netmask and host ranges from CIDR.