4free tools, each on its own page
500 / 5,000proxies per test run, signed out or in
8formats the formatter writes
In browserthe formatter sends nothing

The tools

Each tool, and what it hands back.

01

Proxy tester

See which proxies work, where each one exits and how fast it connects.

Open the proxy tester

Proxy checker

Example result

Working

2of 3 proxies

  1. Works203.0.113.10:8080198.51.100.24US Austin, TexasAS7922 Comcast Cable Communications, LLC
  2. Works203.0.113.11:3128198.51.100.31GB London, EnglandAS5089 Virgin Media Limited
  3. Failed203.0.113.12:8000The proxy wants a login, or rejected the one given.

02

Proxy formatter

Turn a proxy list into the shape your code or tool expects, without it leaving your browser.

Open the proxy formatter

Proxy list converter

Converts as you type
Output format
Resultproxies.txt
http://user:[email protected]:8080

03

ASN lookup

Name the network behind an IPv4 address, or see what an AS number holds.

Open the ASN lookup

IP to ASN

Example answer

Address8.8.8.8is announced by

Network

AS15169

GOOGLE

USUnited StatesHosting network
IPv4 addresses
1,395,456
0.032% of the whole IPv4 space
IPv4 ranges
160

How they fit together

Convert a list, test it, see whose network it exits on.

  1. 01Convert the list

    Write it as host:port:user:pass in the proxy formatter.

  2. 02Test every line

    See which work and where they exit in the proxy tester.

  3. 03Look up the exit

    Name the network behind an exit IP with the ASN lookup.

For customers

Bigger lists are in the dashboard.

The dashboard tester runs longer lists, and SOCKS5 proxies, for customers who sign in.

Dashboard tester