Soften harsh high frequencies

Use an adjustable low-pass filter to soften hiss and harsh treble.

Drop audio here

Supports browser-decodable MP3, WAV, M4A, AAC, OGG and FLAC

Related quick tools

Guide and FAQ

How to use Soften harsh high frequencies

  1. 1. Choose or drop audio files
  2. 2. Inspect the waveform and adjust settings
  3. 3. Process locally and preview the result
  4. 4. Download to this device
Files stay in your browser
Visual waveform and precise controls
Download immediately after processing

FAQ

Are files uploaded?

No. Decoding, processing and export run in your current browser.

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