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Audacity is a free, easy-to-use and multilingual audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. You can use Audacity to: Record live audio. Convert tapes and records into digital recordings or CDs. Edit Ogg Vorbis, MP3, WAV or AIFF sound files. Cut, copy, splice or mix sounds together. Change the speed or pitch of a recording.

Free software
OS:Windows MacOS Linux
File size:24MB
Portable version
Old versions available
Version history available

24 votes

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  Latest version

2.1.2 (January 20, 2016)

Download sites

Visit developer's site

Download Audacity 2.1.2 (direct link)

Download portable, Mac, Linux and other versions

Download Audacity 2.1.2 portable (direct link)

Download Audacity Mac version (direct link)

Download Audacity Linux version

Download old versions

Download Audacity old versions

Supported operating systems

WinWindows MacMac OS LinuxLinux

Audacity screenshot
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Version history / Release notes / Changelog

2.1.2 Final

Changes since version 2.1.1:

Changes and Improvements:

* Interface:
* Spectrogram settings are now available per track.
* Clearer (sharper) display of pitch (EAC).
* New 'Spectral Reassignment' option in spectrogram. Good for vocal work.

* Other Changes:
* Upgraded the wxWidgets library from wx 2.8.12 to wx 3.0.2. This is the main change in this release.

Bug fixes:

* Crashes
* Crash using 'space' in Selection toolbar context menu fixed.
* Crash setting equalization effect parameters in chains fixed.
* Crash when pressing both mouse buttons over toolbar buttons fixed.
* (Rare) crash or freeze in sound activated recording fixed.
* (Rare) crash on using plot spectrum for first time fixed.

* Interface
* Equalization effect settings are now saved.
* Oversized Export Options window (FFmpeg) now OK on smaller screens
* FLAC import/export fast again.
* Can now set undefined frequency in Spectral Selection bar.
* Imported presets on custom FFmpeg export fixed.
* Text input boxes working with VAMP
* Keyboard playback commands now work again.
* Import Raw Data now works when in Polish language.

* Mac OS X
* Mouse preference bindings now show 'command', not 'ctrl'
View full changelog

All features / Full description

This is a list of features in Audacity, the free, open source, cross-platform audio editor. For full information on how to use these features, go to the help pages.

Audacity can record live audio through a microphone or mixer, or digitize recordings from cassette tapes, records, or minidiscs. With some sound cards, Audacity can also capture streaming audio.

Record from microphone, line input, USB/Firewire devices and others.
Device Toolbar manages multiple input and output devices.
Timer Record and Sound Activated Recording features.
Dub over existing tracks to create multi-track recordings.
Record at high sample rates in excess of 192,000 Hz (subject to appropriate hardware).
Record multiple channels at once (subject to appropriate hardware).
Level meters can monitor volume levels before, during and after recording. Clipping can be displayed in the waveform or in a label track.
Import and Export
Import sound files, edit them, and combine them with other files or new recordings. Export your recordings in many different file formats, including multiple files at once.

Import and export WAV, AIFF, AU, FLAC and Ogg Vorbis files.
Fast "On-Demand" import of WAV or AIFF files (letting you start work with the files almost immediately) if read directly from source. "On-Demand" import of other file formats is available with the optional FFmpeg library.
Import and export all formats supported by libsndfile such as GSM 6.10, 32-bit and 64-bit float WAV and U/A-Law.
Import MPEG audio (including MP2 and MP3 files) using libmad.
Import raw (headerless) audio files using the "Import Raw" command.
Create WAV or AIFF files suitable for burning to audio CD.
Export MP3 files with the optional LAME encoder library.
Import and export AC3, M4A/M4R (AAC) and WMA with the optional FFmpeg library (this also supports import of audio from video files).
Sound Quality
Supports 16-bit, 24-bit and 32-bit (floating point) samples (the latter preserves samples in excess of full scale).
Sample rates and formats are converted using high-quality resampling and dithering.
Tracks with different sample rates or formats are converted automatically in real time.
Easy editing with Cut, Copy, Paste and Delete.
Unlimited sequential Undo (and Redo) to go back any number of steps.
Edit and mix large numbers of tracks.
Multiple clips are allowed per track.
Label tracks with selectable Sync-Lock Tracks feature for keeping tracks and labels synchronized.
Draw Tool to alter individual sample points.
Envelope Tool to fade the volume up or down smoothly.
Automatic Crash Recovery in the event of abnormal program termination.
Tracks and selections can be fully manipulated using the keyboard.
Large range of keyboard shortcuts.
Excellent support for JAWS, NVDA and other screen readers on Windows, and for VoiceOver on Mac.
Change the pitch without altering the tempo (or vice-versa).
Remove static, hiss, hum or other constant background noises.
Alter frequencies with Equalization, Bass Boost, High/Low Pass and Notch Filter effects.
Adjust volume with Compressor, Amplify, Normalize and Fade In/Out effects.
Remove Vocals from suitable stereo tracks.
Create voice-overs for podcasts or DJ sets using Auto Duck effect.
Other built-in effects include:
Paulstretch (extreme stretch)
Truncate Silence
Run "Chains" of effects on a project or multiple files in Batch Processing mode.
Add new effects with LADSPA, Nyquist, VST and Audio Unit effect plug-ins.
Effects written in the Nyquist programming language can be easily modified in a text editor - or you can even write your own plug-in.
Spectrogram view modes for visualizing frequencies.
"Plot Spectrum" command for detailed frequency analysis.
"Sample Data Export" for exporting a file containing amplitude values for each sample in the selection.
Contrast Analysis for analyzing average rms volume differences between foreground speech and background music.
Support for adding VAMP analysis plug-ins.
Free and Cross-Platform
Licensed under the GNU General Public License (GPL).
Runs on Windows, Mac OS X and GNU/Linux.

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Guides and How to's

Creating .mp3 ringtones using Audacity - Read
Mini Guide - Using Audacity With VST Plugins - Read
View all guides with guide description here

Tool features - Convert

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24 comments, Showing 1 to 5 comments

Note when upgrading to 2.06 you will also need to upgrade the ffmpeg it uses, which you can do from the button in the program. Or you can DIY from

Posted October 01, 2014 by AlanHK. Tool version 2.06 using OS WinXP
Ease of use 7 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 9 of 10

fixed a number of audio tracks: noise removal, amplification, etc.

a must for free audio work

Posted June 05, 2014 by sidsanders. Tool version 2.0.3 using OS Windows 7 64-bit
Ease of use 8 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10

Note: the "RC" versions are "release CANDIDATES". They're meant for testing, not for general use. See for the latest STABLE release, currently 2.02.

Posted January 19, 2013 by AlanHK. Tool version 2.0.3 RC1 using OS Win2K
Ease of use 7 of 10 Functionality 8 of 10 Value for money 10 of 10 Overall score 8 of 10

The best free audio editor!

Posted March 14, 2012 by Baldrick. Tool version 2.0 using OS Windows 7 64-bit
Ease of use 7 of 10 Functionality 8 of 10 Value for money 10 of 10 Overall score 9 of 10

I have seen lots of improvement in latest release of Audacity as recently updated to latest SVN from obsolete one. Thanks to Audacity Team and all other members for keeping it improving.

Posted July 07, 2011 by Bonie81. Tool version Beta using OS Other
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10

24 comments, Showing 1 to 5 comments

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