mIRC is a popular Internet Relay Chat client used by millions of people, and thousands of organizations, to communicate, share, play and work with each other on IRC networks around the world. Serving the Internet community for over a decade, mIRC has evolved into a powerful, reliable and fun piece of technology.

mIRC is a full featured Internet Relay Chat client for Windows that can be used to communicate, share, play or work with others on IRC networks around the world, either in multi-user group conferences or in one-to-one private discussions. It has a clean, practical interface that is highly configurable and supports features such as buddy lists, file transfers, multi-server connections, SSL encryption, proxy support, UTF-8 display, customizable sounds, spoken messages, tray notifications, message logging, and more.

mIRC also has a powerful scripting language that can be used both to automate mIRC and to create applications that perform a wide range of functions from network communications to playing games.

mIRC 7.51 has been released! (September 18th 2017)

This is a small update that addresses a number of issues reported by users since the last release. It includes improvements, changes and fixes to a number of features, including:

Fixed server passwords not being migrated from older versions of mIRC.
Updated libraries to OpenSSL 1.0.2l, PCRE 8.41, and zlib 1.2.11.
Fixed /server not parsing passwords set in servers list.
Fixed network name in status window titlebar not being synchronized with switchbar/treebar.
Fixed log files bug that caused logs from different networks to be mixed.
Extended /bset to support -1 to append characters.
Extended DCC Trust to allow network specific address.
Extended LOADINFO structure to include DWORD mBeta value.
Fixed mIRC window saved position bug that caused it to reset to the wrong position.
Added /set -i switch that only initializes a variable if it does not already exist.
Fixed script line parser bug that caused a gpf with some combinations of $str/$N-/$len.
Extended $compress()/$decompress() to support raw, zlib, and gzip.
Updated CA root certificates cacert.pem file.
Fixed Clear History not correctly clearing network names in switchbar/treebar.

Only for V.I.P