Parametric audio equalizer
Up to5peaking biquads: frequency/Q/gain, Q0.1–20, gain±24dB. Causal filters change phase; boosts can clip.
- Runs in your browser
- No upload
- Check before download
Audio stays on this device. No upload or microphone recording. Up to5peaking biquads: frequency/Q/gain, Q0.1–20, gain±24dB. Causal filters change phase; boosts can clip. No automatic mastering. Files up to 16 MiB, mono or stereo at 32, 44.1 or 48 kHz, up to 60 seconds and 24 MiB of PCM; the 20-second deadline includes reading and native decoding. DSP exports 16-bit WAV, drops source metadata and warns before clipping. The original bytes stay available. MP3 ID3 edits: up to 120 seconds, ID3v2.3 or 2.4, tags up to 2 MiB, PNG or JPEG cover up to 1 MiB and 4 MP; the audio frames are unchanged. Unsupported, encrypted or signed data is rejected. Supported formats: WAV (PCM 16, 24 or 32 bit, or float32 with |x| up to 16), MP3 (MPEG-III, ID3v2.3 or 2.4) and M4A (AAC-LC).
How to use this tool
- Choose audio
Audio stays on this device. No upload or microphone recording. Files up to 16 MiB, mono or stereo at 32, 44.1 or 48 kHz, up to 60 seconds and 24 MiB of PCM; the 20-second deadline includes reading and native decoding. DSP exports 16-bit WAV, drops source metadata and warns before clipping. The original bytes stay available. MP3 ID3 edits: up to 120 seconds, ID3v2.3 or 2.4, tags up to 2 MiB, PNG or JPEG cover up to 1 MiB and 4 MP; the audio frames are unchanged. Unsupported, encrypted or signed data is rejected.
- Supported model and limits
Up to5peaking biquads: frequency/Q/gain, Q0.1–20, gain±24dB. Causal filters change phase; boosts can clip. No automatic mastering.
- Download
Original file · Up to5peaking biquads: frequency/Q/gain, Q0.1–20, gain±24dB. Causal filters change phase; boosts can clip. No automatic mastering.
Supported model and limits
Original file
Files up to 16 MiB, mono or stereo at 32, 44.1 or 48 kHz, up to 60 seconds and 24 MiB of PCM; the 20-second deadline includes reading and native decoding. DSP exports 16-bit WAV, drops source metadata and warns before clipping. The original bytes stay available. MP3 ID3 edits: up to 120 seconds, ID3v2.3 or 2.4, tags up to 2 MiB, PNG or JPEG cover up to 1 MiB and 4 MP; the audio frames are unchanged. Unsupported, encrypted or signed data is rejected.
Supported model and limits
Up to5peaking biquads: frequency/Q/gain, Q0.1–20, gain±24dB. Causal filters change phase; boosts can clip. No automatic mastering.
How can I check this result?
Compare each band's frequency, Q and gain with the response curve and the peaks before and after. Reopen the WAV and look for clipping. Causal equalization can change the phase.
Some audio workflows use Mediabunny1.60.0 (MPL-2.0). Copyright notices and original license · Download preferred TypeScript source1.60.0