AudioEffects
Apply viral audio effects like slowed + reverb, bass boost, nightcore, and more. Fine-tune every parameter with interactive sliders and export as high-quality WAV or MP3 — all processed locally in your browser.
How It Works
Professional audio editing usually means buying expensive DAW software and learning complex workflows. nocaputils puts a complete audio effects chain right in your browser — no downloads, no accounts, no uploads to sketchy servers.
Choose from 14 carefully-tuned presets that cover the most popular audio trends on social media. Every preset exposes its full parameter set — speed, pitch, bass, treble, lowpass, delay, reverb, and volume — so you can tweak to perfection or reset with one click. The real-time preview lets you hear exactly what you're getting before you export.
Export as studio-quality 16-bit WAV or compressed 192kbps MP3 — perfect for uploading to YouTube, SoundCloud, Spotify, or using in your own video projects. Everything runs on your device, so your unreleased music stays safe.
FAQ
What audio formats are supported?
You can load MP3, WAV, OGG, FLAC, M4A, and any other format your browser supports. Export as lossless WAV or compressed 192kbps MP3.
Is my audio uploaded anywhere?
Absolutely not. All processing happens 100% locally using the Web Audio API. Your files never leave your device — ideal for unreleased tracks.
What's the “Slowed + Reverb” preset?
It reduces playback speed to 0.85x, lowers the pitch by ~2.8 semitones, and adds 40% wet reverb. This creates the dreamy, viral sound popular on TikTok and YouTube.
Can I combine presets?
Use the “Custom” preset to freely mix any combination of speed, pitch shift, bass, reverb, and volume adjustments.