Free Proxy Tools
The two checks we run ourselves before handing a line to a customer, open to everyone. No sign-up, nothing stored.
Recommended antidetect browsers
Which antidetect browser works with a US mobile proxy? Any that accepts an HTTP or SOCKS5 proxy. We recommend Undetectable.io first and GoLogin second; both take a Mobile Proxy USA line in a minute and both have free plans.
Undetectable.io
Free plan to start, Windows and macOS, local and cloud profiles. Give each profile its own Mobile Proxy USA line.
Get Undetectable.io ↗GoLogin
Free plan with 3 profiles, Windows, macOS and Linux plus phone apps. Paste a Mobile Proxy USA line as host:port:user:pass.
Get GoLogin ↗Partner links. Every antidetect browser that takes an HTTP or SOCKS5 proxy works with our lines; these are the two we recommend.
Go deeper with IPFighter
For browser fingerprinting, bot detection, DNS and WebRTC leak tests we point customers to IPFighter's free suite, which works well alongside a Mobile Proxy USA line:
IP score & lookup ↗ Browser fingerprint ↗ Bot detection ↗ DNS leak test ↗ WebRTC leak test ↗ IPFighter proxy checker ↗
Ready to start?
Eight live US metros, real carrier SIMs, unlimited rotation. Plans from $2 for 2 hours or $5/day.