What is Reverb Effect?

Add reverb to your audio recordings using convolution-based processing. Pick from room types like small room, hall, cathedral, or plate reverb, and tweak decay and dry/wet mix until the ambience sounds right.

Upload MP3, WAV, OGG, FLAC, AAC, M4A, or WebM up to 50 MB. Eight impulse profiles (small room, bathroom, vocal, medium room, hall, cathedral, plate, spring) shape the early reflections, and seven sliders give precise control: decay time, dry/wet balance, pre-delay, HF damping for taming bright high-frequency tails, LF damping for rolling off muddy bass build-up in the reverb tail, stereo width for spreading the reverb across the mix, and room scale for separating physical-space size from decay length. Five one-click presets (Vocal Presence, Drum Room, Guitar Ambience, Podcast, Cinematic) jump straight to common production goals. A built-in Slowed + Reverb mode pitches and time-stretches the source for the popular slowed-down sound. An A/B bypass toggle compares processed and dry signal instantly, the live waveform shows the result, the progress bar is fully click-and-drag seekable for auditioning a chorus or solo, and you can export the finished file as WAV, MP3, or FLAC.

How to use

1. Drop an audio file (MP3, WAV, OGG, FLAC, AAC, M4A, or WebM up to 50 MB) onto the upload zone or pick one from your device.
2. Tap a named preset (Vocal Presence, Drum Room, Guitar Ambience, Podcast, Cinematic) for an instant starting point, then fine-tune the room type and seven sliders — decay, dry/wet, pre-delay, HF damping, LF damping, stereo width, and room scale.
3. Preview live, toggle A/B to compare against the dry source, switch on Slowed + Reverb for the popular pitched-down sound, then export as WAV, MP3, or FLAC.

When to use

• Adding a small-room ambience to a podcast voiceover recorded in a dry home office.
• Pulling a flat vocal take into a cathedral space for a choir or worship track.
• Giving a snare drum or piano stem the classic plate-reverb sound from 1970s studios.

Result

A podcaster uploads a dry vocal recording, applies a subtle small-room reverb at 20% wet mix to add warmth, then downloads the processed WAV for their episode.

FAQ

How do I pick between the eight room types?

Small room and bathroom are tight, intimate spaces — bathroom adds the hard slap-back of tile surfaces. Vocal sits between them with a short, focused tail tuned for speech intelligibility. Medium room fills the gap between a vocal booth and a full hall. Hall is open and lush (1.5–2.5 s decay), cathedral is huge and washy (3 s+), plate is bright and dense (the sound of 70s pop records), and spring is the bouncy metallic tank used on guitars and dub. Match the size to the source: vocals usually sit between plate and hall.

What does the dry/wet mix actually do?

Dry is the original, untreated audio; wet is the reverb tail. At 0% you hear only the source, at 100% you hear only the reflections. Most natural-sounding mixes sit between 15% and 35% wet — anything more and the source loses its punch.

Why does my vocal sound muddy after adding reverb?

Too much wet level or too long a decay piles low frequencies on top of each other. Pull the decay below 1.8 s, drop the dry/wet to about 20%, raise the LF Damping slider to roll off the bass build-up in the tail, and bump the pre-delay to 30–50 ms — the slight gap lets consonants stay clear before the tail builds.

Which export formats are supported, and which should I pick?

Three formats are available right from the export menu: 16-bit WAV at the source sample rate (44.1 or 48 kHz) for full quality, MP3 (encoded at VBR ~190 kbps via FFmpeg) for a smaller share-friendly file, and FLAC for lossless compression at roughly half the WAV size. WAV is best for further DAW work; MP3 is best for messaging or upload limits; FLAC keeps every sample while shrinking the file.

Is this true convolution reverb or an algorithmic approximation?

It uses convolution: the eight room types are synthetic impulse responses generated to mimic the named spaces. They're not measured from real rooms (no IRs are bundled with the tool), but the maths is the same — a true convolution operation between your source and the impulse.

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