Audio Tools— Guides & Articles

• Audio Pitch Changer Accuracy: Math, Limits, and Results

  Published 2026-08-17

  How accurate is an audio pitch changer? See the equal-tempered math, playback-rate formula, resampling limits, and PCM16 WAV output that determine the result.

  

• Equalize Audio in Earbuds with a Three-Band EQ

  Published 2026-08-17

  Equalize audio in earbuds by editing the file with a three-band peaking EQ. Adjust bass, mid, and treble locally, then preview and download a WAV.

  

• Add Reverb to a Voice Recording Online in Your Browser

  Published 2026-08-17

  Add reverb to voice online with a local browser tool that blends a lightweight three-tap effect and exports a PCM16 WAV. Audio stays on your device.

  

• Online Metronome: Browser Click Track at 30-240 BPM

  Published 2026-08-15

  Set a whole tempo from 30 to 240 BPM and play an accented click track in your browser — local, no install, no microphone, no upload.

  

• How to Get LRC Files for Songs From Your Own Lyrics

  Published 2026-08-15

  Need synced lyrics for a track? Learn how to get LRC files for songs by formatting your own text with timestamps, no upload required.

  

• Drum Machine for Live Use: Build a Looping Beat in Your Browser

  Published 2026-08-15

  Run a drum machine for live use in any browser. Build a 16-step kick, snare, and hi-hat pattern at 40–240 BPM with no installs, samples, or signups.

  

• How to Change Audio Speed on iPhone and Save the File

  Published 2026-08-15

  Change audio speed on iPhone with a browser tool that exports a PCM16 WAV. Pick 0.5× to 2×, preview the result, and download the file to your device.

  

• Change Audio Pitch in Browser Locally

  Published 2026-08-15

  Change audio pitch in your browser locally. Audio Pitch Changer uses 2^(n/12) playback-rate resampling and exports a clean PCM16 WAV.

  

• How to Equalize Audio for DaVinci Resolve Locally

  Published 2026-08-12

  Equalize audio for a DaVinci Resolve timeline using a local three-band EQ in your browser. Set bass, mid, treble, preview, then import the WAV back.

  

• How to Cut an Audio Recording in Your Browser

  Published 2026-08-12

  Cut an audio recording to a PCM16 WAV in your browser. Set start and end times, preview the slice, and download — the file never leaves your tab.