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Toolzum

Audio Equalizer

Shape audio with multi-band EQ — boost bass, cut mud, add air to dull recordings. Fix a boomy room recording fast — local processing, unlimited saves.

Runs on FFmpeg

100% Local Browser Native Bulk & Presets ✦ Pro

How to Use the Audio Equalizer

1. Upload audio

Tracks needing tonal shaping.

2. Adjust bands

Cut mud, lift presence gently.

3. Download EQ'd file

Save with fresh ears (downloads are unlimited).

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Frequently Asked Questions

How do I fix muddy audio?

Cut 200–400 Hz a few dB — muddiness lives there. Then add a gentle high shelf above 8 kHz for air. Small moves; ears fatigue fast.

Which EQ moves help voice?

Start from the Vocal Boost preset, trim 250–500 Hz mud a few dB, then lift 2–5 kHz presence gently. Podcast chains start here — small moves, ears fatigue fast.

Can EQ fix clipping?

No — clipped peaks are destroyed data, and EQ can't restore them. Re-record hot takes; EQ polishes clean captures only.

Does EQ upload my audio?

No — EQ runs locally in your browser. Saves never touch a meter — downloads on local tools are unlimited.

Last updated October 2026