Proxy Link Checker


softtitledonwloadlinkhomepagecontactlicenceSoftware Title: Proxy Link Checker
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License: Open Source project, Community driven.

Check websites for broken links

LinkChecker is a free, GPL licensed website validator. LinkChecker checks links in web documents or full websites.


  • recursive and multithreaded checking and site crawling
  • output in colored or normal text, HTML, SQL, CSV, XML or a sitemap graph in different formats
  • HTTP/1.1, HTTPS, FTP, mailto:, news:, nntp:, Telnet and local file links support
  • restriction of link checking with regular expression filters for URLs
  • proxy support
  • username/password authorization for HTTP and FTP and Telnet
  • honors robots.txt exclusion protocol
  • Cookie support
  • HTML5 support
  • HTML and CSS syntax check
  • Antivirus check
  • Different interfaces: command line, GUI and web interface
  • … and a lot more check options documented in the manual page.


Commandline interface GUI client CGI web interface

Basic usage

To check a URL like
it is enough to enter in the GUI client or web interface,
or execute linkchecker on the command line.

This check will validate recursively all pages starting with
Additionally, all external links pointing outside of will be checked but not recursed into.