Use Shake-To-Undo on the MacBook Pro

Sep 6, 2011 - 17 Comments

Shake to Undo on a Mac Laptop

If you’ve used an iPhone or iPad much, you’re undoubtedly familiar with the ‘shake-to-undo’ motion sensing feature that lets you literally shake the device to undo an event or clear a text box. With a little help of a third party tool, we can bring shake to undo to Mac laptops that are equipped with a sudden motion sensor (SMS), mostly MacBook Pro’s and newer unibody MacBooks. The tiny app works by activating Command+Z when movement is detected by the SMS.

If you’re concerned about accidental undos from moving your Mac laptop around, you can prevent this by enabling the ‘Confirmation Overlay’ from Shake To’s menubar. This causes a simple confirmation dialog to appear when the sudden motion sensor has detected a shake, clarifying that you want to clear or undo text.

I’m not sure how useful this really is, but it’s fun in the same way that the MacBook Light Saber app, just don’t shake your Mac too hard!

Thanks for the tip Anthony


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Posted by: Paul Horowitz in Fun, Mac OS, Tips & Tricks


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  1. Ron says:

    I like the lead in graphic.

  2. Dan says:

    Isn’t cmd+z (two fingers) tremendously easier than lifting your entire laptop and shaking it? (2 hands) A lot safer, too.

  3. andi says:

    si-developer,,; “sedikit exploitasi ide mungkin menciptakan keasyikan.. baiklah mungkin ini ide yg buruk”


  4. […] a la aplicación Shake to Undo podrás conseguir esto mismo en tu MacBook, MacBook Air o MacBook Pro. El programa funciona tanto […]

  5. Adam says:

    This is the dumbest thing I have ever heard of.

  6. Marucins says:

    Super bye bye 5400 rpm HDD hheheh

  7. Angga says:

    unless my mbp is equipped with an SSD, i won’t bother trying this.

  8. icebreakertech says:

    Can you turn of the SMS all together?

  9. Black Campbell says:

    And how many people just typed gibberish then shook their device to see if it worked..?

    At least one…right here

  10. chooch says:

    won’t that screw with the hard drive?

    • icebreakertech says:

      Well yes and know, it will get a shock but the SMS is their to prevent damage from happening. It puts the hard drive in standby mode in an instance. It takes the laser arm of the disk platter to prevent damage.

      But you better not do this all the time, doesn’t save you any time and might damage your hardware.

  11. Name (required) says:


  12. Chip says:

    yeah, that sensor is there to prevent damage to your data in case of the worst case scenario… i wouldn’t recommend doing this for more than the novelty of it. besides, its a bit impractical, unless you just like slinging things around like in the old trapper keeper commercials…

  13. Leon Birdi says:

    OMG what a great app. Can’t wait to get if for my Mac Pro :-)

  14. Brown says:

    Sounds like an accident waiting to happen.

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