Check websites for broken links¶

LinkChecker is a free, GPL licensed URL validator.

If you like LinkChecker, consider a donation to improve it even more!

Features¶

recursive and multithreaded checking
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
HTML and CSS syntax check
Antivirus check
a command line interface
a GUI client interface
a (Fast)CGI web interface (requires HTTP server)