Audio Effects
Audio Effects Online Free. Adjust volume, add fade in/out, normalize, apply filters and enhance audio. No upload required. Works in browser.
Drag & Drop Audio File
or click to browse
Supports: MP3, WAV, OGG, M4A, FLAC
How the Audio Effects Tool Works
This online audio effects tool uses the same FFmpeg engine found in professional editing software, compiled to WebAssembly. Your audio is processed directly in your browser, so the original and processed files never leave your device.
1. Import your audio
Drag and drop a file or click the upload area to choose audio from your computer or phone. The tool shows basic file details like duration, format, and size.
2. Adjust effects in real time
Use the sliders and toggles to change volume, tempo, pitch, bass, treble, fade in/out, echo, reverb, and more. The live values help you design a sound that fits your project.
3. Apply, preview, and download
When you are happy with the settings, click Apply Effects . After processing, you can listen to the result and download the processed audio in your preferred format.
Key Features & Benefits
Enhance podcasts, voice recordings, music tracks, and sound effects right in your browser with no installations or subscriptions.
Private, on-device processing
Your audio never leaves your browser. All effects are applied locally using WebAssembly, so personal or client recordings remain fully private.
Creative control over sound
Combine volume, pitch, tempo, EQ, echo, reverb, and reverse playback to create anything from subtle polish to dramatic sound design.
Fast, no-upload workflow
Because files are not uploaded, you avoid waiting in queues or for long transfers. The tool responds quickly, limited mainly by your device performance.
Ideal for podcasts & voice
Clean up dialogue by balancing volume, adjusting tone, adding gentle reverb, or creating intros and outros with fade effects.
Great for music & remixes
Experiment with tempo and pitch for DJ edits, remixes, and practice tracks, or enhance bass and treble for a more powerful sound.
Free with no watermarks
Process as many audio files as you want with no sign-ups, watermarks, or hidden fees. All essential features are available at no cost.
Frequently Asked Questions
Learn more about applying effects to your audio files directly in the browser.
No. All processing happens locally in your browser using WebAssembly. Neither the original audio nor the processed file is uploaded to any server.
You can adjust volume, tempo, pitch, bass, treble, fade in/out, echo, reverb, and even reverse playback. Multiple effects can be combined in a single processing pass.
Most effects such as volume, EQ, and reverb are applied at full resolution. If you export to a lossy format like MP3 or AAC, some compression may occur, but for podcasts and casual listening this is usually not noticeable.
Yes. The audio effects tool works in modern mobile browsers. For the best experience, use a recent device and avoid processing extremely long or high-res files on low-memory phones.
There are no artificial limits or quotas. The main limitation is your devices available memory and browser capabilities when working with very large audio files.
No installation or account is required. Open this page in your browser, load an audio file, adjust the effects, and download the processed result.