R3con1z3r is a lightweight Web information gathering tool with an intuitive features written in python. it provides a powerful environment in which open source intelligence (OSINT) web-based foot printing can be conducted quickly and thoroughly.

Footprinting is the first phase of ethical hacking, its the collection of every possible information regarding the target.

R3con1z3r is a passive reconnaissance tool with built-in functionalities which includes: HTTP header flag, Traceroute, Whois Footprinting, DNS information, Site on same server, Nmap port scanner, Reverse Target and hyperlinks on a webpage.

The tool, after being provided with necessary inputs generates an output in HTML format.

Also Read : SQLiScanner – Automatic SQL Injection With Charles & SQLmap API



r3con1z3r supports Python 2 and Python 3.

$ git clone
$ cd r3con1z3r
$ pip install -r requirements.txt

Optional for Linux users

$ sudo chmod +x


r3con1z3r depends only on the sys and the requests python modules.

Python 3: $ pip3 install -r requirements.txt

For Coloring on Windows: pip install win_unicode_console colorama


python3 []


To run on all Operating Systems (Linux, Windows, Mac OS X, Android e.t.c) i.e Python 2 environment


To run on python3 environment:


To run as executable Unix only