The Best Window Security Locks in April 2022

After hours of researching and comparing all models on the market, we find out the Best Window Security Locks of 2022. Check our ranking below.

Our Picks For The Top Window Security Locks


Bestseller No. 1
Lion Locks Sliding Window and Door Locks (10 Pack), Adjustable Aluminum Security Screw Lock for 3/16-3/8” Track, Door Stopper Safety Lock, No-Drill Install, Requires 28-36mm Clearance for Screw Lock
  • SLIDING TRACK LOCK: Secure your patio door, sliding glass door, and both horizontal & Vertical sliding windows. Ideal for securing a vertical window air conditioner or window fan setup.
  • DURABLE & SENSIBLE: Made of heavy-duty aluminum the lock includes a vinyl lining to prevent you from scratching your window frame. The vinyl insert provides additional gripping power when locking your windows down.
  • NO TOOLS NEEDED: These window locks are easy to install with double door lock thumb screws securing sliding door & window tracks up to 3/16" wide with the rubber insert or 3/8" without the rubber window seal.
  • CHILD PROOF DOOR LOCK: Use this window lock to protect your family from intruders and more! The sliding door lock allows you to leave sliding windows & doors securely locked in position, whether fully closed or ajar to allow a breeze.
  • WINDOW LOCKS SECURITY: Whether you are looking for a way to lock in an AC unit window setup, as a camper lock replacement, or as part of your babyproofing house setup.
Bestseller No. 2
Window Locks, 4 Sets Sliding Security Window Locks with Key for Vertical&Horizontal Sliding Windows&Sliding Doors, Adjustable Window Locks Security Window Stoppers for Patio Bedroom Home and Office
  • 【Compatibility】 Window locks are applicable for sliding windows, sliding doors and vertical doors. Locks are 2.4 inches long and fit tracks up to 0.4 inches wide inches with rubber cushioning or up to 0.67 inches without rubber cushioning. Please measure your track to ensure proper fitment.
  • 【Screw In Design】 Sliding window locks utilizes double screws to mount on sliding window/door tracks, prevent sliding and add more security. Simply screw them with hex keys (included) for fully secure windows/doors or to allow for ventilation, no extra tools needed. Comes with rubber cushioning to prevent scratches or damage to the window and improve window security.
  • 【Quality Aluminum Alloy】 Sliding door and sliding window stoppers: The strong aluminium will remain secure which is sturdy and strong, and the cute yellow key handle is showy and easy to be found.
  • 【Widely Use】Slider window locks are perfect for sliding patio doors, sliding glass doors, etc. Feel free to open the windows a few inches to get both fresh air and peace of mind, because they no longer open enough for someone to slip into your house without breaking the window and alerting your dogs. Put some window lock latch to your kid's room to keep your toddler from falling out the windows.
  • 【Package Includes】 Pack of 4 sliding window locks with rubber cushioning and keys; Apply multiple window locks can increase sliding door/window security.
SaleBestseller No. 3
Defender Security U 9809 Sliding Window Lock for Vinyl Windows – Easy Installation to Keep Windows Securely Closed – White Diecast Construction (Pack of 2)
  • EACH PACK INCLUDES – (2) Adjustable jaw that fits all vinyl frame rail thicknesses from 1/16" up to 1/2 in. thick. "Vise like" grip holds securely and will not mar frame. Allows window to lock in ventilating position; cam style locking lever; no tools required. This is for Vinyl Windows only.
  • SECURELY LOCK WINDOWS – These U 9809 sliding window locks for vinyl windows help keep them securely closed. The locks feature an adjustable jaw that has a “vise-like” grip, and they are capable of opening up to ½” wide.
  • ADD EXTRA SECURITY – Use these sliding window locks to prevent unwanted intruders and avoid falling accidents –keeping your windows closed when you want them the most secure! Air and a breeze can get in, but no intruders.
  • FOR USE ON MOST VINYL WINDOWS – These sliding window locks are for use on horizontal sliding windows and most vertical sliding (single hung) windows as a secondary window lock.
  • PRODUCT INFO – These sliding window locks have a diecast construction with a white painted finish and can fit most vinyl frame rail thicknesses ranging from 1/16” to ½”.
SaleBestseller No. 4
4 Sets Sliding Window Locks, Security Window Lock Aluminum With Key, Window Stoppers for Vertical & Horizontal Slide Door, Adjustable Security Locks, for Child Home Bedroom Double Hung Windows
  • Measure Your Windows: In order to ensure the perfect application of Tahikem window stopper, please make sure that the height of your window track exceeds 5/8 inch(1.6cm) and the width does not exceed 19/32 inch(1.5cm). Tahikem window locks is equipped with a vertical key, which can be applied to the middle track of the window. (Please check the fifth product size chart before purchasing)
  • Simple Installation: Each window lock is equipped with a hexagonal key. You can use the key wrench to slowly rotate the screw nut to secure it on the window track. It only takes 5 minutes to complete the installation. Our window locks are also equipped with 2 rubber non-slip protection pads to prevent scratches or damage to your window and improve stability.
  • High-quality Material: The window safety lock is made of aluminum alloy, durable and sturdy. The anti-rust coating makes it a good match for white sliding windows, sliding doors and vertical doors. In addition, we have improved the shortcomings that other window locks are not fixed and do not fit the middle track, so you can buy with confidence.
  • Tahikem Safety Window Lock: It ensures your family members safety. Effectively reduce the risk of children and pets falling from high windows. By locking your windows, it can also protect your property against damage during heavy rains and hurricanes, or guard against theft and avoid property damage during your traveling period.
  • Package Includes: This sliding window locks is exclusively developed and designed by Tahikem, equipped with 4 locks, 4 keys, 4 transparent gaskets, 8 non-slip rubber pads, 1 vertical hex key, and 1 installation manual. If you have any issue about the window locks, please contact us. We will reply within 24 hours.
Bestseller No. 5
1 X Lot of 4 Pcs Sliding Window Lock (12 Pack)
  • Compatible with 7 x 6 x 1.7 inches
Bestseller No. 6
Lock-it Block-it – (2 Devices) Home Security Adjustable Window Locks/Window Security Bars, Door Jammer & Sliding Glass Door Security bar, Child Safety Lock & Patio Door Security bar
  • Extendable & Adjustable! Control how high you want the window to open with the 13 adjustable settings. Lock the height in place with the push of a pin. Used for Single-Hung windows, Sliding Windows and Patio Doors. When the window makes contact with the Lock-it Block-it, it's Stopped.
  • Withstands repeated impacts with its unique double-headed push pin that provides extra resistance from forced entry. Burglars can't reach it from the outside when properly installed and adjusted. Blocks children from falling out of open windows.
  • IMPORTANT - BEFORE BUYING, MEASURE the window or door track where the device will be placed. The security bar extends from 17 inches to 30 inches long (MAX length is 2 and 1/2 feet). Window tracks MUST be at least 1 inch wide. Device is 1 inch by 1 inch wide on all sides.
  • Quick & easy installation. No tools needed. Held in window track by supplied adhesive strips. It doesn't fall out when the window is lowered. Removes easily in emergencies. Replaces those ugly wood blocks. Fits discretely in window track and doesn't obstruct view.
SaleBestseller No. 7
Defender Security U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4) , Silver
  • Secondary Lock
  • Fits up to 1/8 In. thick rails
  • Allows window to lock in ventilating position
  • Easy to Install
  • For heavier-duty locks see item no's U-9800, U-9802, U-11127, U-11128, U-9810 or U-9812. Finish by tightening thumbscrew with pliers to securely lock windows in closed or ventilating positions. For non-marring locks see no's U-9820, U-9821, U-10876 and U-10551. For vinyl windows use U-9809 or U-10547
Bestseller No. 8
Burglabar 4 Pack - Great for Sliding Patio Door Lock, (Use 2 for doors), Sliding Window Lock, Sliding Basement Windows Lock, Child Safety Lock
  • Door & window locks: The Burglabar is a unique self-locking hinge lock designed to offer additional home security from a patio door or sliding window. Our sliding glass door lock and window lock keeps you safe and can be used to child proof your home.
  • Safety at home: Our window and door latch lock provides additional safety while you are home and keeps your home safe when you are not. The Burglabar is also a great door safety lock for kids keeping your little explorers safely inside.
  • No tools needed: Our Burglabar installs quickly and easily without tools and its crystal-clear design blends in with your decor. When mounted out of reach from small children the BurglaBar keeps windows and doors shut for child safety.
  • Incredible strength: Proudly made in Canada, Burglabar’s adhesive bonds like a weld for maximum strength. Each Burglabar, when properly applied, can withstand dynamic shear of 300 to 450 pounds. We recommend using 2 Burglabars for sliding doors.
  • Who we are: We are Rishon Enterprises Inc., the creators of The Original Addalock and the Burglabar. We have focused our time and efforts on promoting and bringing attention to safety, security and privacy for your everyday life.
Bestseller No. 9
Jeacent Adjustable Window Security Bar, Patio Door Lock - Sturdy Steel, Extends from 15 1/2" to 29 1/2" (1pcs)
  • ✅ STRENGTHEN HOME SECURITY - High-impact STEEL burglar proof bars are used to stop criminals from entering homes through open windows or patio doors. Windows can now stay open to the width or height you wish and be securely locked open.
  • ✅ EXTENDABL & ADJUSTABLE - Decide how high you want the window to open with the 22 adjustable settings. Lock the height in place with the push of a pin and the long screw help to reach the very small adjustment of the window's opening.
  • ✅ STOP FORCED ENTRY OR UNEXPECTED EXCIDENCE - The Push pin provides extra resistance from forced entry. Burglars can't reach it from the outside when correctly installed. It can also protect children from falling out of open windows.
  • ✅ NOTICE- PLEASE MEASURE the window or door track where the device will be placed BEFORE BUYING. The security bar extends from 15 1/2" to 29 1/2" long (MAX length is 2.46 feet). Window tracks MUST be at least 1 inch wide. The security device is 1 inch wide in all sides.
  • ✅ EASY TO INSTALL - Unique design (patent pending); No tools needed. Stick the supplied adhesive strips on the window /door track and the security bar and then put it on. It stays well and doesn't fall out when properly installed and adjusted. Removes easily in emergencies. Fits discretely in window / door tracks and looks decent.US Patent Pending. All Rights Reserved.
SaleBestseller No. 10
Sliding Glass Door Child Lock - OKEFAN 4 Pack Baby Safety Slide Window Locks for Kids Proof Patio Closet Doors No Drilling Tools Needed (Blue)
  • CHILD PROOF SAFETY DEVICE – Keep valuable belongings from young child proof sliding door or hung window with durable and effective lock. This kid stopper has been proven to withstand the pulls and tugs of babies and children, keep doors and windows opened in safe!
  • SAFE DESIGN – Unlike other sliding glass door lock, this sliding door child lock is installed beside door shelf and works once double buttons pressed simultaneously, which stops the door slided and passed each other. This lock is off to press the locking cover for unlock condition!
  • STRONG DURABILITY – Never worry about sliding window locks broken with high quality ABS plastic, stainless steel spring and strong 3m adhesive tap. The 3M window lock will not lose effectiveness or power even when you routinely open and shut your hung windows every day!
  • SIMPLE INSTALLATION – Installing sliding door lock has never been this easy, no drilling tools needed! Simply clean the working area for this lock, peel off 3M tape and stick this device onto the desired location of sliding doors for your patio, closet, cabinet as well sliding window!
  • DURABLE LASTING WORK - We know that patio glass door lock will work perfect. In case that you are not satisfied with this sliding door stopper, It is welcome to let us know any time and the helpful solution will be provided in 12 hours. A good safe gift for the kids to get great benefits!


How Do You Buy The Best Window Security Locks?


Do you get stressed out thinking about shopping for a great Window Security Locks? Do doubts keep creeping into your mind? We understand because we’ve already gone through the whole process of researching Window Security Locks, which is why we have assembled a comprehensive list of the greatest Window Security Locks available in the current market. We’ve also come up with a list of questions that you probably have yourself.


We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Window Security Locks that you consider buying. Your questions might include the following:

  • Is it worth buying an Window Security Locks?
  • What benefits are there with buying an Window Security Locks?
  • What factors deserve consideration when shopping for an effective Window Security Locks?
  • Why is it crucial to invest in any Window Security Locks, much less the best one?
  • Which Window Security Locks are good in the current market?
  • Where can you find information like this about Window Security Locks?

We’re convinced that you likely have far more questions than just these regarding Window Security Locks, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.


Potential sources can include buying guides for Window Security Locks, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best possible Window Security Locks. Make sure that you are only using trustworthy and credible websites and sources.


We provide an Window Security Locks buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Window Security Locks currently available on the market.


This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:


  1. Brand Value: Every brand of Window Security Locks has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Window Security Locks?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: his simply is how much bang for the buck you get from your Window Security Locks.
  5. Customer Ratings: Number ratings grade Window Security Locks objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Window Security Locks.
  7. Product Quality: You don’t always get what you pay for with an Window Security Locks, sometimes less, and sometimes more.
  8. Product Reliability: ow sturdy and durable an Window Security Locks is should be an indication of how long it will work out for you. .

We always remember that maintaining Window Security Locks information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.


If you think that anything we present here regarding Window Security Locks is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time, Contact us page.

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