Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, macOS, GNU/Linux and other operating systems. The interface is translated into many languages. You can use Audacity to:

• Record live audio.
• Record computer playback on any Windows Vista or later machine.
• Convert tapes and records into digital recordings or CDs.
• Edit WAV, AIFF, FLAC, MP2, MP3, Ogg Vorbis sound files.
• AC3, M4A/M4R (AAC), WMA, Opus and other formats supported using optional libraries.
• Cut, copy, splice or mix sounds together.
• Numerous effects including change the speed, pitch or tempo of a recording.
• Write your own plug-in effects with Nyquist.
• And more! See the complete list of features.