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Free · In-browser · No upload

Slowed + Reverb.

Slow any song down and wrap it in atmosphere. Pick a viral preset or dial in your own speed and reverb — then export in seconds.

Before-and-after illustration of Slowed + Reverb: Original song becomes Slowed reverb edit through Stretch and wash.
Before → process → afterSee the signal story, then hear it in the workspace.

TIME + SPACE MAP

Slowed Atmosphere Path

Trace the dry event into motion, repeats or ambience. The visual separates the direct sound from what arrives later, making timing, density, feedback and stereo movement easier to reason about.

Before-and-after illustration of Slowed + Reverb: Original song becomes Slowed reverb edit through Stretch and wash.
Original songStretch and washSlowed reverb edit
A time-domain field: one clear source event expands into controlled repeats, modulation or ambience before returning to the mix.
Open the full signal breakdownBest source, processing logic, limits and three-pass listening check
  1. Original song

    Start with the right material

    Quick atmospheric edits, alternate versions and short-form video soundtracks.

  2. Stretch and wash

    Understand the transformation

    Playback-rate change creates the slowdown and a generated hall impulse supplies the reverb during the offline render.

  3. Slowed reverb edit

    Verify the usable result

    A slowed, lower-pitched render with the chosen reverb mix and decay controls.

Tail duration

Where this workflow stops

The renderer uses the hall model even when a named preset suggests a different room. Slowing changes pitch with speed and long files use more device memory.

THREE-PASS CHECK

Make the final decision by ear

  • Judge timing against the rhythm rather than in solo.
  • Check whether the tail masks the next word, note or transient.
  • Audition mono and headphones when the effect uses stereo motion.

How to make a slowed and reverb edit

  1. Drop a song into the upload box — MP3, WAV, FLAC, OGG and M4A all decode right in your browser.
  2. Pick TikTok Slowed, Nightcore Reverse, Vaporwave or Custom, then set speed and wet amount. All modes use the same synthetic hall reverb algorithm.
  3. Press Apply effect and listen to the processed preview next to the original.
  4. Download your slowed reverb track as a 320 kbps MP3 or a WAV file.

This slowed and reverb maker reproduces the sound behind countless TikTok edits and late-night playlists: the track is slowed so the pitch sinks with it, then a convolution reverb wraps everything in space. The audio is rendered with the Web Audio API on your device, and the selected song is not uploaded to AudioWrench. There is no processing queue or account.

Use it to build slowed versions for Reels and Shorts or to compare a chorus at 65–85% speed. Presets are starting points for speed and wet amount; the render path always uses the same synthetic hall reverb rather than switching among sampled rooms.

Slowed + Reverb: quick answer and technical limits

Quick answer: A one-page editor that slows a track and adds a hall-style reverb tail for a spacious slowed-and-reverb version.

Best for
Quick atmospheric edits, alternate versions and short-form video soundtracks.
How it works
Playback-rate change creates the slowdown and a generated hall impulse supplies the reverb during the offline render.
What you get
A slowed, lower-pitched render with the chosen reverb mix and decay controls.

Know before you use it: The renderer uses the hall model even when a named preset suggests a different room. Slowing changes pitch with speed and long files use more device memory.

Privacy: Selected audio is processed in this browser and is not uploaded to AudioWrench. Normal page assets can still be requested as described in the privacy notice. Privacy details →

FAQ

How do I make a slowed and reverb version of a song?
Drop a song into the upload box, pick a preset or set speed and wet amount, then apply and export MP3 or WAV. Every preset uses the same synthetic hall reverb algorithm; the controls change speed and reverb amount, not the room model.
Does slowing a song down also lower its pitch?
Yes — this tool slows speed and pitch together, which is exactly what gives slowed and reverb edits their deep, dreamy character. If you want to change speed while keeping the original pitch, use our Tempo Changer instead.
Is this slowed and reverb maker free, and is my song uploaded?
It is free with no signup or watermark. The selected file is decoded and processed on your device and is not uploaded to AudioWrench. Normal page assets can still be requested as described in the privacy notice. After the page loads, rendering does not need an audio-upload queue.
What format is the slowed and reverb download?
You can export either a 320 kbps MP3 or an uncompressed WAV file. The output is slightly longer than the original because the track plays slower and the reverb tail is rendered to the end instead of being cut off.