Hum Remover

Remove 50 Hz and 60 Hz Mains Hum.

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That steady low buzz under a recording usually comes from the mains. It sits at exactly the grid frequency, 50 Hz in most of the world and 60 Hz in the Americas, plus overtones at two, three and four times that.

Because the hum is so exact, it can be cut out with very narrow filters that leave the voice or music around it nearly untouched. Choose your grid frequency and how many overtones to remove.

How to use the Hum Remover tool

  1. Add your recording.
  2. Choose 50 or 60 Hz and the number of overtones.
  3. Remove the hum and download the cleaned recording.
  • Guitar and bass recorded through a noisy amp
  • Interviews recorded near lights or fridges
  • Old tapes and vinyl transfers

Tips for the best result

  • If you hear a buzz more than a hum, raise the overtones to 6 or 8.
  • Unsure of the frequency? Try both; the wrong one changes almost nothing.

Quick facts

PriceFree
Works withMP3, WAV, M4A, OGG, FLAC
Where it runsIn your browser, on your device
AccountNot needed

Frequently asked questions

Will it remove hiss as well?

No. Hiss is broad noise. Use the Audio Noise Reducer for that.

Does it harm bass notes?

Slightly, for notes that sit right on the hum frequency. The cuts are narrow, so most of the bass remains.

Which countries use 60 Hz?

The United States, Canada, Mexico, much of South America, South Korea, Taiwan and western Japan.

The hum is still there. Why?

It may come from a device with its own frequency, like a fan or a monitor. A noise reducer handles those better.