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Apply equalizer settings to boost or cut frequencies in your audio files. Browser-based audio processing.
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Supported: MP3, WAV, AAC, OGG, FLAC, WMA, M4R • Max recommended: 200MB
Equalization is how professionals shape the tonal character of a recording. The Online Equalizer gives multi-band frequency control — cut the low-mid muddiness from a voice, boost upper frequencies to add presence to a flat acoustic guitar, or high-pass filter a podcast to eliminate vibration noise — processed locally without file uploads.
Professional mixing favors cutting problem frequencies over boosting. Boosts amplify noise alongside the desired signal — subtractive EQ keeps headroom and clarity intact.
A common voice preset: high-pass filter below 80 Hz to remove floor rumble, cut 200–300 Hz by 2–3 dB to reduce muddiness, boost 3–5 kHz by 1–2 dB for presence and intelligibility.
EQ can partially compensate for tonal imbalances (thin low end, excessive sibilance) in budget mics, but it cannot fix clipping, distortion, or heavy background noise caused at the recording stage.
Professional convention strongly favors subtractive EQ — cutting problem frequencies rather than boosting. Boosting simultaneously amplifies noise alongside the desired signal, which can reduce overall clarity.
Check out our technical guides to learn more about how browser-side processing works.
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