Online Audio Editor (Audacity in Browser)
SECURE & LOCALProfessional multitrack audio editor in your browser. Cut, copy, paste, mix multiple tracks, apply effects, and export to WAV, MP3, or OGG. 100% private and client-side.
No Audio Tracks Yet
Import audio files (MP3, WAV, OGG, M4A, FLAC), record from your microphone, or generate a test tone to start editing.
How to edit audio online with multitrack Audacity workflow
Step-by-step guide to importing, editing, mixing, and exporting audio 100% locally.
Add Tracks
Import audio files (MP3, WAV, OGG, M4A) or record with your microphone directly into new tracks.
Select & Edit
Click and drag to select regions. Use Cut, Copy, Paste, Delete, Trim, or Silence to shape your audio.
Mix & Apply Effects
Adjust track volume, stereo pan, mute, or solo. Apply Fade In, Fade Out, Normalize, or Amplify to selected audio.
Export Mixdown
Choose WAV, MP3, or OGG format and download your finished master file directly to your device.
Related Blog Posts
Learn more about how to use this tool effectively.
Browser Audio Editor vs Audacity: Web Audio API Explained + WAV vs MP3 vs OGG (2026 Guide)
A technical deep dive into how a multitrack audio editor runs entirely in your browser, how it compares to desktop Audacity, and which export format (WAV, MP3 or OGG/Opus) you should choose.
How to Edit Audio Online Without Uploading: Cut, Paste & Mix Tracks in Your Browser (2026)
A complete, practical guide to editing audio in your browser: import tracks, cut and paste fragments, mix with gain, pan, mute and solo, add fades, normalize and export to WAV, MP3 or OGG. 100% local, no uploads.
Why Editing Audio Locally Protects Your Privacy (2026 Guide)
Podcasts, interviews, voice notes and unreleased music deserve better than cloud uploads. Learn how a browser-based audio editor keeps every recording on your device.
Professional & Business Use Cases
Corporate Compliance
Ideal for strictly regulated environments where sensitive data cannot leave local intranet networks.
Freelance & Agency Work
Process client files securely and instantly without bandwidth constraints or file size limits.
Personal Privacy
Manage your personal documents, finances, and sensitive information with total anonymity and zero tracking.
Local Security & Privacy Architecture
Zero-Cloud Execution
All computations occur directly in your device's RAM memory without server transmission.
Air-Gapped Operation
Once loaded, tools function 100% offline, allowing you to disconnect from the internet for maximum security.
No Data Retention
Because nothing is uploaded, there are no databases to hack and no logs to expose your activity.
Frequently Asked Questions
100% Private
Your files never leave your device. All processing happens locally.
Lightning Fast
No server queues or upload wait times. Instant results in your browser.
High Quality
Original resolution and integrity preserved throughout the process.
100% Local Processing
Your files never leave your device. All processing happens directly in your browser to ensure absolute security.