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SpeakSay

Free Online Audio Equalizer

Shape your audio with a 10-band EQ. Boost bass, add vocal clarity, or remove muddiness — live preview included.

  • Free
  • No sign-up
  • Stays on your device

Why use this tool

10-Band EQ

Adjust 32 Hz through 16 kHz in 10 peaking filter bands.

Real-Time Preview

Hear changes live before exporting — no guessing.

100% Private

All processing in your browser — files never uploaded.

OfflineAudioContext Export

Full-quality WAV rendered offline at full speed.

WAV Download

Export your equalized audio as a lossless WAV file.

Any Format Input

Works with MP3, WAV, OGG, M4A, FLAC and more.

Frequently asked questions

Yes — completely free, no account required, unlimited files.

Ten bands: 32 Hz (sub-bass), 64 Hz (bass), 125 Hz (upper bass), 250 Hz (low-mid), 500 Hz (mid), 1 kHz (upper mid), 2 kHz (presence), 4 kHz (brilliance), 8 kHz (air), 16 kHz (sparkle).

Common presets: boost 80–200 Hz for more bass warmth, cut 200–400 Hz to remove muddiness, boost 2–5 kHz for vocal clarity, boost 10–16 kHz for air and brightness.

No. The equalizer runs entirely in your browser using BiquadFilterNode chains.

Exported audio is a lossless WAV file.

Yes — EQ is a core mastering tool. Cut low-end rumble below 80 Hz, boost vocal presence around 3 kHz, and add air above 10 kHz for professional-sounding podcasts.

Need a voice, not just an edit?

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