What is User-Agent used for?

Servers read UA to tailor responses; developers spoof UA to test devices and browser compatibility.

Are generated UAs from real devices?

They follow real-world patterns but may not match a specific machine—fine for testing only.

Scraping or evasion may break site terms—use only on systems you own or are allowed to test.

Online tree structure generator from Markdown lists

JWT decode online—parse headers, payloads, and verify signatures

Team API management tool

SVG icons for front-end technology stack

Semver version range query

Online browser User-Agent parser