Introducing Eleven v3 (alpha)

Best free Knock Knock sound effects generator

Knock Knock sound effects

Choose from hundreds of high quality Knock Knock sound effects, or generate your own sound effects for free. Download Knock Knock sounds and noises - perfect for creating soundboards or audio projects

Create Free Custom Sound Effects

Download the most popular Knock Knock sound effects in WAV or MP3 for free
- Knock Knock 1
  Firm knock on a wooden door, strong and assertive
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- Knock Knock 2
  Gentle knocking sound, polite visitor at the door
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- Knock Knock 3
  Urgent loud knocking, signaling a need for immediate attention
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- Knock Knock 4
  Quick impatient knocking, someone waiting anxiously outside
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- Knock Knock 5
  Soft secretive knock, suggesting a discreet visitor
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- Knock Knock 6
  Hollow echoing knock, resonating through an empty hallway
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- Knock Knock 7
  Rhythmic welcoming knock, inviting someone in
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- Knock Knock 8
  Muffled knock from behind a thick door, trying to get in
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- Knock Knock 9
  Sharp emergency knock, demanding immediate response
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- Knock Knock 10
  Slow hesitant knock, indicating shyness at the door
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- Knock Knock 11
  Metallic resonant knock, suggesting a metal-framed door
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Or generate your own custom Knock Knock sound effects

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Royalty free Knock Knock sound effects

Find the perfect royalty free Knock Knock sounds for your projects. Our library offers a range of Knock Knock sound effects, from subtle to dramatic. Start downloading or generating custom sounds today and use our Knock Knock sound effects royalty-free.

Try Knock Knock SFX with our soundboards

Door Knocking

SB1 Infinite Soundboard

Create your own custom Knock Knock soundboard

With our SB1 Infinite Soundboard, you can create any soundboard with as many sound buttons as you can dream of. Click below to try it out and create a Knock Knock soundboard.

Create Knock Knock soundboard

Frequently asked questions

Yes, with our sound effects generator you can create custom knock knock sound effects from a text prompt. Each generation will be unique and you can adjust the output by modifying your prompt.

For knock knock sound effects, our free plan requires attribution to elevenlabs.io. Our paid plans do not require attribution and can be used in commercial projects.

Yes, all ElevenLabs Sound Effects are royalty free and can be used in commercial projects. However, as with all of our services, we ask that you do not sell or license our tools or use the output to develop competitive products or services. Please refer to our terms for more details.