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Audio Speed Changer

Change audio speed from 0.25x to 4x with no quality loss.

0.25x to 4x100% FreeNo SignupWAV Export
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Workflow

Set the tempo, then build the vocal mix

Changing speed helps with practice, reference, and arrangement decisions. For the recorded vocal, use a preset chain that matches the DAW session instead of rebuilding the mix manually.

Vocal preset packs→FL Studio vocal presetsLogic Pro vocal presetsAbleton vocal presetsPlugin version

Take It Further With Our Plugins

Loved the Audio Speed Changer? These Rys Up Audio plugins do the same job inside your DAW — sub-millisecond latency, full automation, and dozens of presets baked in.

RysUpShift — pitch and formant shifter plugin UIRysUpShift - Advanced Vocal Pitch & Formant Shifter Plugin$49.99Get plugin→
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More Free Tools

AI Stem Splitter

Separate vocals, drums, bass, piano with AI.

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Vocal Remover

Extract acapellas and instrumentals.

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Stem Separator

Alternative stem separation tool.

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Free Online Vocal Tuner and Pitch Correction

Pitch detection and vocal tuning.

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Pitch Editor

Fine-tune pitch with a full editor.

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Vocal Pitch Detector

Detect notes, range, and pitch drift.

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Frequently Asked Questions

Does pitch-lock affect quality?
Yes — separating pitch from time uses an FFT-based phase vocoder, which introduces a small amount of "smearing" on transients (drums) at extreme speed ratios. Below 2× speed change the artifacts are typically inaudible.
Is this tool really free?
Yes — every Rys Up Audio tool is 100% free, with no signup, watermark, or paid credits. File-size and shared-worker limits are stated inside tools that use uploads or public AI services.
Do you upload my audio to a server?
Most tools process audio entirely in your browser via the Web Audio API. AI-powered stem splitting and vocal removal upload audio to third-party public workers, so you should not submit private or sensitive recordings.
What audio formats are supported?
Every tool accepts MP3, WAV, FLAC, M4A, and OGG up to 50 MB per file. Most exports are 16-bit WAV; the high-quality vocal separator returns 320 kbps MP3.
Does this work on mobile?
Yes — every tool is responsive and works in iOS Safari and Android Chrome. Some tools (like the virtual piano) are optimized for multi-touch.
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Rys Up Audio

Rys Up Audio

Vocal presets, audio plugins, and sample packs built for producers who ship records.

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🎚0.25x to 4x
🔒Pitch Lock
⬇WAV Export

Drop Music Here

⏩Speed

0.25x to 4x — pitch stays locked unless you adjust the pitch slider.

🎵Pitch Shift

Save Speed-Adjusted Version