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01428 748 277

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023 9343 0058

Can You Open a Door With a Credit Card? 

In moments of lockout desperation, you might have wondered, “Can I open a door with a credit card?” It’s a question that has crossed the minds of many, especially when keys are nowhere to be found. Whilst it is possible to open a door with a credit card in some situations, it is not recommended due to potential card damage and legal consequences for unauthorised entry. 

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How to Open Your Door With a Credit Card

Opening a door with a credit card can be handy during lockout emergencies, like when you’ve misplaced your keys. However, understanding how it works is crucial for safeguarding your home against potential break-ins

It’s vital to stress that this method should never be used for illegal purposes, as it could lead to serious legal consequences. Instead, it’s often best to consult a professional locksmith in a lockout situation. 

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1. Slip the card into the vertical gap between the door and the frame

First, when opening a door with a credit card, start by sliding the edge of the card into the space between the door and the door frame where the latch is located. Insert the card parallel to the door, within the long edge facing the latch. 

2. Angle the card toward the doorknob

After sliding the card into the gap between the door and frame, angle the card gently towards the doorknob. This manoeuvre aims to position the card correctly to slide over the latch mechanism. By angling it in this way, you create the required leverage to manipulate the latch.

3. Bend the card in the opposite direction

To proceed, bend the card in the opposite direction. This causes the card to slip under the angled end of the slant-latch, effectively pushing it down into the door.  This step is easy, and once accomplished, you can quickly open the door and unlock it from the other side.

4. Lean on the door and work the card back and forth to open it

Finally, lean on the door and operate the card back and forth. Whilst maintaining pressure on the door, start to wiggle the card back and forth. This motion should engage with the latch, and the door will begin to open as you continue.

So, Does the Credit Card Trick Work For Doors?

Opening a door with a credit card depends on the type of lock and door frame. It’s most effective with spring latch locks commonly found in homes, as they retract when pressure is applied from the outside, making them vulnerable to this technique. 

However, it doesn’t work on all locks, like deadbolts or doors with tight gaps. Trying this method may damage or break your card, and using it unlawfully can lead to legal consequences. So, whilst it’s a handy skill, it’s not foolproof and should be used responsibly. 

If locked out, it’s best to call a locksmith such as ourselves at Veteran Locksmiths. Our team of experienced locksmiths have the right tools and knowledge to open your door effectively and legally. Unlike using a credit card, we use specialised techniques that won’t damage your door or lock. This way, you avoid any legal issues that might arise from attempting unauthorised entry. 

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Frequently Asked Questions 

Is it legal to use a credit card to open a door?

Using a credit card to open your own door when locked out is considered legal as long as you have permission to access the property. 

However, attempting to open a door you don’t have authorisation to enter, such as someone else’s property, can be illegal and may result in criminal charges. It’s essential to use this knowledge responsibly and within the boundaries of the law.

Can I damage my credit card while attempting to open a door?

Yes, attempting to open a door with a credit card can potentially damage or bend the card, making it unusable for its intended purpose. If the credit card method is not working, it’s advisable to explore alternative tools or techniques, such as lock-picking or bump keys, to avoid damaging your card or the door.

What type of doors can be opened with a credit card?

You can potentially open doors with a credit card if they have a simple knob lock with a spring latch or a slanted latch. This technique is effective primarily on doors with these types of locks, commonly found in residential settings. However, it may not work on doors with more complex locking mechanisms like deadbolts or doors with tight-fitting frames.

How to prevent someone from using a credit card to open your door?

To prevent someone from using a credit card to open your door, invest in high-quality locks sourced from reputable locksmiths. These locks are purposefully designed to withstand and resist unauthorised access methods like the credit card technique. Their durability and precision make it significantly more challenging for potential intruders to manipulate the lock mechanism using makeshift tools. 

By choosing quality locks and installation services from trusted professionals, you can significantly enhance the security of your home, ensuring that it remains a safe and protected space.

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If you are currently locked out of your house, or experiencing another locksmith emergency, get in touch straight away - we could be with you in under an hour.

Murray - Veteran Locksmiths


Murray is a seasoned locksmith with a wealth of expertise in the field. As the founder of Veteran Locksmiths, he combines his extensive knowledge of locks and security, with years of experience servicing the South Coast delivering excellent locksmithing solutions. Murray's dedication and commitment to exceptional service has earned him a reputation as a trusted and reliable expert in the industry.

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Veteran Locksmiths

Local mobile locksmith offering emergency, commercial and domestic locksmith services. Covering the whole of Hampshire, West Sussex and Surrey.


01428 748277

Our Locations

Haslemere Office

20 West Street,
GU27 2AQ *

*This is a virtual office address for receiving post.

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153 Milton Road,