Audacity

Overview

Audacity is a free, open-source audio editor for desktop computers, with source code licensed under the GNU GPL and available to view or modify. The project dates to 2000 and is developed by a small remote team with community support. It focuses on editing recorded audio rather than MIDI sequencing, which it does not support.

Its core capabilities include multitrack editing, noise reduction, spectrogram analysis, third-party plugins, and video synchronization. Audacity supports common formats such as MP3, M4A, AIFF, FLAC, and WAV. Despite platform listings that include mobile operating systems, there is no iOS or Android app; desktop support is for Windows, macOS, and Linux.

Key features

Editing and audio analysis

Multitrack editing supports work across multiple audio tracks, while noise reduction addresses unwanted sound in recordings. Spectrogram view presents audio clips visually for analysis. Audio support includes 16-bit, 24-bit, and 32-bit, along with high-quality resampling and dithering.

Video synchronization is also listed, making it relevant to workflows that involve aligning sound with video. The supported file formats include MP3, M4A, AIFF, FLAC, and WAV.

Plugins and collaboration

Audacity supports third-party plugins in VST3, Nyquist, LV2, and Audio Unit formats. This can extend its processing options, but plugin support does not add MIDI sequencing, which remains unavailable. Cloud collaboration is listed as a capability; the available details do not specify its scope or operation.

Pricing

Audacity is free for everyone, with no subscription required. The listed Free and Audacity Free plans are each free. Refunds may apply to cloud storage purchases or unofficial mobile app purchases; there is no official mobile version.

Platforms

The supported desktop systems are Windows, macOS, and Linux. Audacity has no mobile app for iOS or Android, so people looking to edit audio directly on a phone or tablet will need another option.

Who it's for

Audacity suits people who need a free desktop tool for editing recorded audio, reducing noise, analyzing clips, or working with multiple tracks. Plugin support and a range of common audio formats add flexibility. It is less suited to users who need MIDI sequencing or a mobile editing app.

Pros and cons

Pros

• Free to use, with no subscription, and open source under the GNU GPL.
• Multitrack editing, noise reduction, and spectrogram analysis are available.
• Supports popular audio formats and third-party plugin formats.
• Available for Windows, macOS, and Linux.

Cons

• No MIDI sequencing.
• No iOS or Android app.
• Details about cloud collaboration are limited.

Alternatives

For other desktop and audio-editing options, compare Ardour, WavePad, Ocenaudio, DSP-Quattro, GoldWave, Pro Tools, and MixPad. Readers focused on game sound may also browse Game Audio Editors, while the broader Audio Editing Software category offers more options.

Verdict

Audacity offers a substantial set of recorded-audio editing and analysis tools at no cost, with open-source licensing and desktop support across the major operating systems listed here. Its clearest limits are the lack of MIDI sequencing and mobile apps. For users whose work fits a desktop audio editor, those boundaries are worth weighing against its free access, plugin support, and multitrack capabilities.