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Free · In-browser · No upload

Sped Up Audio.

Push a track up to 150% speed with overlap-add processing that aims to preserve pitch. Preview for transient or texture artifacts before export.

Before-and-after illustration of Sped Up Audio: Normal-speed audio becomes Sped-up version through Accelerate cleanly.
Before → process → afterSee the signal story, then hear it in the workspace.

TIME + SPACE MAP

Tempo Lift View

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 Sped Up Audio: Normal-speed audio becomes Sped-up version through Accelerate cleanly.
Normal-speed audioAccelerate cleanlySped-up version
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. Normal-speed audio

    Start with the right material

    Practice versions, faster social edits and testing a song between 100 and 150 percent speed.

  2. Accelerate cleanly

    Understand the transformation

    Overlap-add time scaling changes duration without simple playback-rate pitch lift.

  3. Sped-up version

    Verify the usable result

    A faster render with pitch kept closer to the original than ordinary resampling.

Duration reduction

Where this workflow stops

Large speed changes can create phasing or transient smearing, especially on dense mixes. It does not preserve formants independently.

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 sped up audio

  1. Drop a song into the upload box — it decodes locally in your browser.
  2. Pick a speed chip — 110%, 120% (the TikTok favorite), 135% or 150% — or set an exact value on the slider.
  3. Press Apply effect; the pitch-preserving stretch takes a few seconds on long files.
  4. Preview the result, then download it as a 320 kbps MP3 or WAV.

This sped-up audio maker uses overlap-add time stretching to aim for the original pitch while changing speed. Extreme settings or complex transients can produce artifacts, so compare the preview with the source. Processing stays local; inputs are capped at 200 MB and device memory sets the practical duration.

Typical uses: sped-up song versions for TikTok and Reels, quicker listening for long voice memos and podcast segments, or testing how a track feels at a higher tempo before a DJ set. Pair it with the Audio Trimmer to cut the exact section your edit needs.

Sped Up Audio: quick answer and technical limits

Quick answer: A tempo-focused speed-up tool that shortens a track while attempting to keep the original musical pitch.

Best for
Practice versions, faster social edits and testing a song between 100 and 150 percent speed.
How it works
Overlap-add time scaling changes duration without simple playback-rate pitch lift.
What you get
A faster render with pitch kept closer to the original than ordinary resampling.

Know before you use it: Large speed changes can create phasing or transient smearing, especially on dense mixes. It does not preserve formants independently.

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

Does speeding up a song change the pitch?
The overlap-add time stretch aims to preserve pitch while tempo rises. It avoids the direct pitch shift of simple fast playback, but complex transients and extreme settings can produce pitch or texture artifacts. Use Nightcore when you want speed and pitch to rise together.
What speed do sped up TikTok songs use?
Most sped-up edits hover around 120% of the original tempo, which is this tool's default preset. There are also chips for 110%, 135% and 150%, and the slider lets you pick any value in between.
Why does processing take a few seconds?
Pitch-preserving stretching analyzes and reassembles the waveform rather than simply playing it faster, and it runs on your own device instead of a server. Short clips finish almost instantly; a full-length song can take a few seconds depending on your hardware.
Is the sped up audio maker free and private?
Yes — free, with no signup or watermark. Processing stays in the browser and exports MP3 or WAV. Inputs are capped at 200 MB and rendering time depends on device performance and available memory.