How to Make a Copy of a Key: Simple Duplicating Methods

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Your guide to making a key, either at home or with a professional
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Having a spare key is essential to save you from getting locked out if you ever lose your keys. There are many different options for making a copy of your key, whether you want to do it yourself or take it to a professional. In this article, we’ll describe how you can make your own key at home to use in a pinch, as well as which professional services you can choose from for a long-term spare. To never get locked out again, keep reading!

How to Make a Copy of a Key

  • To make a key at home, heat up your original key with a lighter, then press it onto a piece of clear tape.
  • Transfer the tape onto an expired credit card, then cut out the shape of the key with scissors.
  • To get a copy of your key made professionally, visit a locksmith, a hardware store, or a key-cutting kiosk.
Method 1
Method 1 of 2:

Getting a Replacement Made

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    A locksmith will be able to make an exact replica of your key with special tools and machines. Locksmiths will also be able to work with keys that cannot be copied at other locations, like car keys.
    • Some locksmiths may be able to make copies of a key just from a picture of the original.
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    Many hardware stores or big box stores offer a key-cutting service that only takes a few minutes to complete. Pick a blank replacement key in the design you want and ask the workers to make a copy.
    • Make sure the key design you choose matches the thickness of the original key, or else it will not fit in the lock.
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    KeyMe is a service that places kiosks in various locations that can make a copy of a key. Common keys can be cut right at the kiosk while car keys or other specialty keys will be sent to you by mail. Find a KeyMe location near you to quickly get a copy made.
    • KeyMe will give you a code that can be used to create new keys in the future. Use the code cut of your key for a replacement. The keys produced from codes will be factory cuts on the new key, not a duplicate.
    • Scan the key into the phone app for ordering a spare key at home.
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    Go to a dealership to get a copy of a car key . Many car keys have transponder chips in them so duplicates cannot be cut normally. Find a dealership with your model of car and ask about their replacement key services.
    • Older vehicles may just need a copy of the key without a chip. Ask the dealership what is required for your specific make and model.
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Method 2
Method 2 of 2:

Making an Emergency Key at Home

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    Use a lighter or a lit candle. Move the teeth of the key back and forth over the flame for 1 to 2 minutes. Once the key is charred on one side, set it down until it is cool to the touch. [1]
    • Use a pair of pliers to hold the key so you don’t burn your fingers.
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    Cut a piece of standard sized clear tape the same length as the key. Carefully lay it on top of the key so it doesn’t crease. Press the tape firmly onto the blackened side of the key so the char transfers. [2]
    • The outline of the key will transfer to the sticky side of the tape, leaving a perfect impression.
    • Leave a fingertip-sized bit of tape at the end of the key so it’s easier to remove.
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    Peel the tape back, being sure that it doesn’t fold or crease. The char will leave residue on the sticky side of the tape in the same shape as the key. [3]
    • Use rubbing alcohol to remove any residual char from the key. [4]
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    A standard thickness card will work best. Stick the tape so the entire imprint of the key is on the card. Make sure the tape lays flat so the shape of the teeth is not distorted. [5]
    • Place the tape away from any raised letters or numbers on the card. Otherwise, it will be too thick to fit in the lock.
    • Use a light-colored card so you can easily see the imprint of the key.
    • For a slightly more durable method, use a bottle cap. Use pliers to un-crease the edges and make the cap flat.
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    Carefully maneuver around the outline of the key. Be mindful around the teeth, being sure to cut directly on the outline. If the teeth are not close to the correct size, they will not be able to turn the lock. [6]
    • It doesn’t matter how the large end of the key is shaped. As long as the teeth are cut correctly, the key should work.
    • Hold the original key up to the one you’re cutting out to compare the teeth.
    • If you’re using a bottle cap, use a metal file to cut out the imprint of the key.
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    Insert the key delicately into the lock so it doesn’t bend or deform. Once it’s fully inserted, hold the key as close to the lock as you can and turn it to unlock the door. [7]
    • Don’t force the key to turn, or else it may bend or break.
    • A key made from a credit card or other materials like this is fine in a pinch, but shouldn’t be used forever. Use the method below to make an actual spare key that you can keep long-term.
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      Tips

      • Make sure key copies aren’t thicker than the original. The key won’t fit in the lock otherwise.
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      Warnings

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      Things You’ll Need

      Making an Emergency Key at Home

      • Key
      • Expired credit card or gift card
      • Lighter or candle
      • Clear tape
      • Scissors
      • Pliers

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      References

      1. ↑ https://youtu.be/NuiJ9RU9RQk?t=37s
      2. ↑ https://youtu.be/zaTDawK-Bcs?t=52s
      3. ↑ https://youtu.be/zaTDawK-Bcs?t=1m8s
      4. ↑ https://youtu.be/NuiJ9RU9RQk?t=1m5s
      5. ↑ https://youtu.be/zaTDawK-Bcs?t=1m13s
      6. ↑ https://youtu.be/zaTDawK-Bcs?t=1m33s
      7. ↑ https://youtu.be/zaTDawK-Bcs?t=2m52s

      About This Article

      Article Summary X

      You can have a copy of your key made by visiting a hardware store, car dealership, or key kiosk. Take your key with you to a hardware store and choose a blank replacement that matches the thickness of your original key. Ask the workers to make a copy for you, which takes a few minutes to complete. If you have a car key with a transponder chip, you’ll need to go to your car’s dealership. You can also use a key-cutting kiosk to make a copy of common keys. Take your key to one of them and follow the onscreen directions to have a copy made. For tips about how to save a scan of your key so you can order a copy whenever you need one, keep reading!

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