Audio Effects
Apply reverb, echo, pitch shift, EQ, and more. Stack multiple effects and preview in real-time.
Drop an audio file here
or click to browse • Supports MP3, WAV, OGG, FLAC, M4A
🔒 Privacy First
All audio effects processing happens in your browser using the Web Audio API. Your files are never uploaded to any server.
How Audio Effects Work
Upload Your Audio
Drop or select any audio file — MP3, WAV, OGG, FLAC, or M4A. The file stays in your browser.
Stack Effects
Add effects like reverb, echo, EQ, pitch shift, speed change, and more. Reorder them to create your desired sound.
Preview & Export
Preview the result in real-time, then apply and download as a high-quality WAV file.
Available Effects
| Effect | Description | Best For |
|---|---|---|
| Reverb | Adds room ambience and space | Vocals, instruments |
| Echo / Delay | Repeats sound with decreasing volume | Creative effects, vocals |
| Equalizer | Adjusts bass, mid, and treble frequencies | Music, podcasts, voice |
| Speed | Changes playback speed (also affects pitch) | Slow motion, fast forward |
| Pitch Shift | Shifts pitch without changing duration | Voice effects, music |
| Volume / Normalize | Adjusts volume or auto-normalizes | Quiet recordings, loudness |
| Compressor | Reduces dynamic range | Podcasts, voice, mixing |
| Distortion | Adds grit and edge to sound | Guitar, creative effects |
| Fade In / Out | Smooth volume transitions at start/end | All audio, presentations |
| Reverse | Plays audio backwards | Creative effects, sound design |
Effect Chains For Common Audio Problems
Effects are most useful when stacked in the right order. Below are six common audio problems with the effect sequence that solves each.
🎙️ Boost a quiet voice recording
Chain: Volume +6dB → Normalize → Low-pass filter at 8kHz (cuts hiss). For Zoom/phone recordings, add Equalizer +3dB at 2-3kHz to lift speech intelligibility.
🌊 Remove background hum / AC noise
Chain: High-pass filter at 80Hz (kills AC hum) → Notch filter at 50/60Hz (electrical hum) → Light Normalize. Don't over-process — speech becomes unnatural fast.
🎵 Make song clip "fade out" smoothly
Chain: Trim to exact length → Fade out over last 3 seconds → Save. Avoid abrupt ending — listeners notice harsh cuts more than fades.
🎤 Add depth to a vocal track
Chain: Reverb (small room, 15% wet mix) → Equalizer +2dB at 5kHz for presence → Compression with 4:1 ratio for consistent volume. Subtle is better than dramatic.
🌌 Create slowed/reverb meme audio
Chain: Speed 0.75-0.85x → Reverb (large hall, 60% wet) → Bass +3dB. Iconic TikTok/Instagram audio style — be aware speed change affects pitch in this tool.
📻 Add lo-fi / old radio character
Chain: High-pass at 200Hz → Low-pass at 4kHz → Bit depth reduce → Light distortion. Removes hi-fi clarity, adds vintage texture. Great for podcast transitions.
Audio Effect Glossary — Plain English
If audio production terminology has felt opaque, here's what each effect actually does and when to reach for it.
| Effect | What it does | Reach for it when |
|---|---|---|
| Normalize | Raises whole track to maximum volume without clipping | Audio sounds too soft overall |
| Compression | Reduces volume difference between loud and quiet parts | Voice volume jumps around inconsistently |
| Equalizer (EQ) | Boosts or cuts specific frequencies (bass, mid, treble) | Audio is too bassy, tinny, or muddy |
| High-pass filter | Removes all frequencies below a threshold (e.g. <80 Hz) | Need to kill rumble, AC hum, mic handling noise |
| Low-pass filter | Removes all frequencies above a threshold (e.g. >8 kHz) | Need to soften hiss, simulate distant/muffled sound |
| Reverb | Simulates the sound bouncing around a physical space | Dry recording sounds artificial; needs ambience |
| Fade in / out | Gradually ramps volume from 0 to full (or full to 0) | Smooth start/end of a clip without abrupt cuts |
| Pitch shift | Changes the perceived note/key without changing speed | Match audio to a different musical key or alter voice |
Frequently Asked Questions
Can I stack multiple audio effects and control their order?
Yes, you can add as many effects as you want and reorder them freely. Effects are processed from top to bottom in the chain, so applying reverb before distortion produces a different result than distortion before reverb. Experiment with the order to achieve your desired sound.
What is the difference between the Speed and Pitch Shift effects?
The Speed effect changes both tempo and pitch together, similar to playing a vinyl record faster or slower. Pitch Shift changes only the pitch while maintaining the original duration, letting you make a voice sound higher or lower without altering the playback speed.
Are my audio files uploaded to a server for processing?
No, all effect processing happens entirely in your browser using the Web Audio API. Your audio files never leave your device. Only the background music presets are loaded from our server when you select them.
What audio format is the output file?
The output is a high-quality WAV file (16-bit PCM) at the original sample rate. WAV is lossless, so no quality is lost during export. If you need a smaller MP3 file, use our Audio Converter tool afterward.
How does the equalizer effect work?
The equalizer lets you boost or cut specific frequency ranges: bass (low frequencies), midrange, and treble (high frequencies). This is useful for making vocals clearer, adding warmth to music, or reducing harshness in recordings.