FREE TOOLS

Audio Dynamics Compressor

Apply linked dynamics compression and download complete WAV audio and diagnostics.

Audio file, Threshold (dBFS), Ratio, Knee width (dB), Attack (ms), Release (ms), Makeup gain (dB)

WAV, JSON

Browser only

Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.

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How to use this tool

Enter the displayed example values,or choose the local input files requested by the controls. Optional source files take precedence where labelled.
Choose Compress audio and inspect the complete result and any reported limitations.
Use Download result and each companion download link to save complete outputs. Reset clears output and restores example controls.

Threshold (dBFS): -18
Ratio: 4
Knee width (dB): 6
Attack (ms): 10
Release (ms): 100
Makeup gain (dB): 0

Process complete audio with a linked maximum-absolute-sample peak detector,static dB soft knee and attack/release one-pole smoothing of gain reduction in dB. Zero initial reduction;shared gain across stereo channels and explicit makeup. Threshold−80–0dBFS,ratio1–40,knee0–40dB,attack0.1–500ms,release1–5,000ms,makeup±24dB. No lookahead,RMS detection,auto normalization or limiter. Full48kHz16-bit PCM WAV quantizes/clips only at export;report every100ms gain-reduction/peak window and clipped-sample count. Source tags omitted. WAV32 MiB plus JSON report. One nonempty decodable WAV,MP3 or FLAC up to64 MiB,mono/stereo,source8–96kHz and at most120seconds/16million combined source+output samples/200million resampling kernel products. Reuse the existing decoder and bounded windowed-sinc resampler to48kHz;no amplitude normalization. Decoded PCM must be finite within±16linear full scale. All processing stays in your browser.120-second worker limit.
Complete outputs only. Unsupported or oversized input is refused. Follow the displayed job-specific bounds and format policies.

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