Audacity is a free, open-source audio editor and recorder for multitrack recording, waveform editing, podcast production, music cleanup, format conversion, effects processing, spectral analysis, and plugin-based audio workflows.
Audacity records and edits digital audio through a waveform-based multitrack workspace designed for podcasts, music, voice work, restoration, and quick sound processing. Users can capture microphone or line input, import existing files, arrange clips on separate tracks, trim or move sections, adjust gain and pan, apply effects, and export the finished result. Audacity supports common uncompressed and compressed formats, while FFmpeg extends compatibility with formats such as M4A and WMA. Projects are saved in the application’s own project format so tracks, edits, labels, and other project data can be reopened for later work instead of being flattened immediately into a final audio file.
Audacity combines destructive waveform editing with newer non-destructive options, including clip trimming and real-time effects that can remain adjustable until export or rendering. The effects system supports built-in processors plus compatible third-party plugins, while macros can automate repeated processing steps across files or selections. Users handling archived project packages with Winrar can keep file extraction separate from the audio-editing workflow before importing supported media. Spectrogram and Multi-view displays provide frequency-focused inspection alongside ordinary waveforms, and Plot Spectrum offers additional analysis of selected audio. On Windows, Audacity can record from supported input devices and can also capture desktop playback when an appropriate host and loopback device are available.
Audacity is especially practical when a project needs precise editing without the complexity of a full digital audio workstation built around MIDI composition and virtual instruments. A podcast editor can remove unwanted sections, reduce steady background noise, normalize or compress speech, place music on separate tracks, and export a finished episode from one project. Music users can time-stretch clips, change pitch or tempo, apply real-time track and master effects, and inspect clipping before rendering. Audacity also supports labels for marking regions, sample-level editing for detailed repair, and plugin formats such as VST3, VST, LV2, LADSPA, Nyquist, and Vamp where supported by the operating system. The current 3.7.8 release remains part of the mature 3.x line while development of the redesigned 4.x generation proceeds separately, so existing production workflows can stay on the stable desktop interface until users deliberately choose to migrate.
Key capabilities and highlights.
Audacity can record new audio while managing multiple tracks in the same project, making it useful for voiceovers, podcasts, interviews, and layered music work. Input device, channel, and recording settings can be selected before capture, while track gain, pan, mute, solo, and alignment controls help organize material after recording.
Waveform editing tools let users select, cut, copy, paste, split, move, trim, and rearrange audio at detailed time positions. Non-destructive trimming can hide clip edges without permanently deleting the concealed audio, so an edit can be revised later. Zoom and sample-level views help with clicks, boundaries, and other precise corrections.
Audacity supports real-time effects that remain adjustable while playback continues instead of immediately rewriting the source waveform. Effects can be added to individual tracks, while master effects process the combined mix. Users can bypass processors, revise settings, change stack order, and render or export the processed result when the sound is finalized.
Third-party plugin support expands the built-in processing and analysis tools with compatible VST3, VST, LV2, LADSPA, Nyquist, and Vamp plugins, depending on platform support. Audacity includes a plugin manager for enabling or disabling detected components, while Nyquist plugins can also be installed through the application’s dedicated installer workflow.
Audacity includes processing tools for reducing steady background noise and handling common recording problems without requiring an external editor. Noise Reduction can learn a noise profile from a selected section and apply reduction to the target audio. Additional repair, filtering, EQ, compression, limiting, and normalization tools support dialogue and recording cleanup.
Spectrogram View displays frequency content over time and allows adjustments to scale, algorithm, window size, and display behavior. Plot Spectrum analyzes a selected region with FFT and other methods, providing another way to inspect tonal content or interference. Vamp analyzer plugins can extend Audacity with specialized measurement and annotation workflows.
Audacity can import and export widely used audio formats including WAV, MP3, FLAC, and Ogg, with format-specific options available during export. Additional FFmpeg installation extends compatibility with formats such as M4A and WMA. This makes the editor useful for conversion work as well as projects that combine audio from different sources.
Macros let users assemble repeatable sequences of commands and effects for routine processing jobs. Audacity can apply a prepared macro to the current project or use supported batch-style workflows for multiple files, reducing repetitive manual operations. This is useful for standardized normalization, format conversion, cleanup, or other recurring audio preparation tasks.
Browse historical releases and previous builds.
Common questions about Audacity.
Yes. The application is open-source software distributed under GPLv3, and users can create, edit, and export commercial audio with it. The software license governs redistribution and modification of the program itself rather than claiming ownership of recordings or finished productions created with the editor. Third-party plugins, samples, codecs, and imported media can carry their own separate licensing terms.
Yes, Windows systems can capture desktop playback when a suitable audio host and loopback recording device are available. A common workflow uses Windows WASAPI with the loopback input corresponding to the playback device. Hardware and driver configuration still matters, so available devices can differ between computers, USB interfaces, Bluetooth outputs, and other audio setups.
Yes, VST3 plugins are supported, along with several other plugin formats. Installed plugins normally need to be placed in supported locations and then detected or enabled through the plugin management workflow. Compatibility can vary by plugin architecture, operating system, and individual plugin implementation, so problematic processors should be tested before they are used in important production projects.
Yes, but those formats normally require FFmpeg to be installed separately. The standard application handles formats such as WAV, MP3, FLAC, and Ogg directly, while FFmpeg expands import and export support for additional codecs and containers. If a file fails to open, checking the installed FFmpeg version and actual codec used by the source file is a useful troubleshooting step.
A project preserves editable working data such as multiple tracks, clips, labels, and project-specific changes, while an exported file is the rendered audio intended for playback or distribution. Exporting to MP3, WAV, FLAC, or another format does not replace the editable project unless the user deliberately discards it. Keeping the project allows later revisions without rebuilding the mix from scratch.
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