The Best inside of a lock of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best inside of a lock of 2022. Check our ranking below.

2,775 Reviews Scanned

Rank No. #1

INBOF 2 Pack Door Chain Lock, Premium Thickened Lock with 12 Screws, Stainless Steel Locks for Inside Door, Better Security and Protection Your Home Family

Chain Locks for Inside Door: Door chain lock adds extra protection to your door to prevent others from sneaking into the room, protecting your security and privacy. The chain of chain door lock allows you to keep the door slightly open for safe observation and ventilation
Door Chain Locks for Kids Safety: Door lock chain can be installed out of the reach of children to prevent them from opening the door, providing additional protection for children. Chain door guard can also be used to prevent pets from opening the door or leaving a gap for pets to pass through
Widely Used: Door chain lock is a common classic style for many types of doors, such as home front doors, bedroom doors, apartment doors, rental room doors, dormitory doors, hotel doors, basement doors, storage room doors, cabinet doors, windows, and more
Quality Throughout: Chain door lock is made of high quality stainless steel, rustproof and wear-resistant. The plate and chain are thickened to make it stronger and more stable. The edges are polished to make it smoother. Longer and thicker stainless steel screws make it more secure
What You Get: 2 door chain locks and 12 installation screws. Please check the pictures for the size and weight of this product and make sure it is suitable for your use before purchasing. If you have any questions about this product, please consult us and we will respond as soon as possible

Rank No. #2

INBOF 2 Pack Slide Lock, 3 Inch Barrel Bolt Latch, Premium Door Bolt Lock, Stainless Steel Slide Bolt Latch, Thickened Slide Latch Lock with 12 Screws, Slide Locks for Inside Door

Slide Locks for Inside Door: Slide lock provides extra security, privacy and stability for your home and family. Barrel bolt latch prevents people from entering your room without permission. Bolt lock prevents children or pets from opening doors or cabinets. Door bolt can stop doors and windows from rattling. There are many other uses and applications for slide bolt latch
Quality Throughout: Barrel bolt is made of high quality stainless steel, rust and wear resistant and corrosion resistant. The thickness and width of slide latch is increased to make it more stable. The surface of door slide lock is brushed and polished to make it smoother and brighter. Longer and thicker screws make the installation of slide bolt more solid and stable
Easy to Install: Barrel lock comes with stainless steel screws for installation. Use a screwdriver or drill bit to install slide latch lock on the door or window. Installation of bolt latch can be completed in a few minutes. Sliding lock is suitable for doors or windows in bedrooms, bathrooms, toilets, offices, basements, storage rooms, cabinets, sheds, yards, fences and more
Multi-directional Installation: Slide lock is designed to allow for multi-directional installation. Barrel bolt latch can be installed horizontally to the left or right, and vertically up or down. This design allows bolt lock to be used in more places. It should be noted that a hole must be drilled in the floor if the door bolt is installed vertically facing the floor
What You Get: 2 slide locks and 12 screws for installation. Please check the pictures for the size and weight of this product and make sure it is suitable for your use before purchasing. If you have any questions about this product, please consult us and we will respond as soon as possible

Rank No. #3

Portable Door Lock Travel Door Locks for Hotel Rooms Apartment Locks Home Security Defender Door Lock Latch Extra Door Locker from Inside Safety Door Locks for Travelers Portable Lock for Door

UPGRADED MULTI SIZE TO FIT MOST DOOR: Door locks for front doors have Small and Big Holes to fit most doors, the hotel door locks for travelers security add extra security to your room and prevent unauthorized entry, especially when traveling and staying in hotels. The hotel door lock is small but will hold your door shut firmly. Keep that unauthorized entry away with a WINONLY superior travel lock kit. Add an extra lock to provide an additional layer of security and peace of mind
PERFECT FOR TRAVEL ESSENTIALS for WOMEN: The travel door lock is small enough to carry in a pocket or handbag, this apartment security door lock is a convenient device for extra security when at home, The portable door lock provides effective safety and protection for hotels, apartments, and dormitories, bathrooms, and bedrooms
EASY TO USE & SAFER DESIGN: Portable door locks for bedrooms are no need to nail or screw into anything, just put the medal part goes into the hole in the door jam then you close the door, take the red handle, and insert it into the lock in place, then no one could get in and in case of an emergency you could remove the lock in seconds in the dark! Add door safety locks from the inside to provide a strong sense of safety
STRONGER & SMOOTH TOUCH LOCK FOR DOOR: WINONLY travel door lock is upgraded with better performance and durability. The portable door lock is made of heavy-duty steel, the solid door lock is guaranteed to remain as good as new for a very long time. Used the latest electroplating and polishing technology to ensure a perfectly smooth touch, and avoid any injury while using the door lock. Provides secondary security for travelers, college students, singles, at-home Moms
WARRANTY THAT WON’T FAIL YOU: Portable travel door locks are warranted against manufacturing defects. In any case, WINONLY is responsible for user-related damage or damage incurred during installation. Warranty is valid if door locks are subjected to abnormal conditions, misapplication, or abuse. The portable travel lock brings you additional safety, security, and privacy

Rank No. #4

Original Trustella Heavy-Duty Portable Door Lock - Stainless Steel Security Device for Enhanced Safety - Ideal for Home, Travel, Hotels, Apartments - Silicone Protector Caps Included (1, Black)

🔒 Feel Safe Anywhere: Block intruders, get extra privacy, and enjoy worry-free sleep on trips or at home
💪 Built to Last: Heavy-duty stainless steel for toughness you can trust.
✈️ TSA Approved for Travel: Fly without worry – compact design slips into pockets or carry-on.
👌 Seconds to Secure & Protects Doors: Tool-free setup, silicone caps prevent scratches and stop jiggling.
🚪 Compatibility Notice: Designed exclusively for inward-opening hinged doors with a minimum 2mm gap. Not suitable for sliding, double, or outward-opening doors.

SaleRank No. #5

Home Security Door Reinforcement Lock - Child Proof High Security Door Lock Front Door Locks for Kids Safety Withstand 800 lbs Top Door Latch Lock Flip Door Guardian for Inward Swinging Inside Door

[Upgrade Security Design]: 3" Stop metal construction home security door lock with 4 screws designed to withstand 800Ibs of force, 12 times stronger than a normal deadbolt to against being kicked in. We equipped each door lock latch with 8 screws, including 4 long and 4 short, which you can choose according to your needs. EVERPLUS safety door lock guard your home safe. This reinforcement lock is a good choice for home security. And the perfect gift for your families
[Easy to Install]: Use a power screwdriver and drill to mount EVERPLUS security door lock on your door frame, finish DIY this door lock reinforcement installation in less than 5 minutes and you will reap the safety of the whole family. Easy to match any inward swinging door. EVERPLUS safety door lock guard your home security as a door defender. Our high security door lock comes with an installation manual, and you can contact us if you have any issues during installation, we will help you
[Easy to Use]: Place index finger on top of door lock security and thumb on bottom and slide lock away from the base plate along with the door in the direction of the hinges then pull outward. No tools are required to open, just a little practice. This door guard prevents breaking in but is easy to open in case of emergency. You will much more confident in your doors being able to sustain any sort of forced entry
[Home Security & Childproofing]: EVERPLUS child proof door lock adds extra security measures for toddlers while you aways on business. This door reinforcement lock has a spring-loaded design to prevent children from opening the door to unknown people. This lock for door inside can provide protection for your children when you are not with them, it also makes the elderly or ladies feel safer when they are at home alone
[Good Service]: Secure home by EVERPLUS, home security door lock defend your home safe, not only prevent break-in but also easily opens when meeting urgently. EVERPLUS provides 5 years after-sale service to make sure you could buy with confidence and would try our best to solve any problem until you are satisfied

SaleRank No. #6

AceMining Portable Door Lock Home Security Door Lock Travel Lockdown Locks for Additional Safety and Privacy Perfect for Traveling Hotel Home Apartment College

SECURITY AND PRIVACY : This portable door lock provides you with extra security and privacy, greatly improving your security and preventing unauthorized entry, so the door can't be opened from the outside, not even with a key; which is a great helper for you when you are on business and trips, or live alone
EASY TO USE : Easy to install or remove, this door lock can be installed in seconds without any tools, even in emergency situations and in the dark. Just insert the metal piece into the slot of the door lock, close the door, and then put the red handle groove to the stud on the metal sheet, then no one can open the door from outside
HIGH-QUALITY MATERIAL : The door security device is made of strong stainless steel. Rugged ABS plastic cover to prevent damage to doors under pressure. Steel surfaces with electroplating and polishing technology ensure a smooth touch and minimize any injury to your skin. A strong door lock with high quality may guarantee prolonged service life
WIDELY USED : The security door stopper contains two holes of different sizes to ensure that all types of door locks are matched. Perfect for hotels, dormitories, apartments, short-term rentals, Airbnbs, bathrooms, bedrooms, or private rooms. It may also be applied to avoid pets going out, and also to prevent children from opening their doors to strangers
COMPACT DESIGN AND TAILORED CUSTOMER SERVICE : Size 4.3 x 1.26 x 0.4 inches with 0.78 inch (2 cm) and 1.2 inch (3 cm) holes, lightweight and small, you can put it in a pocket or handbag. If you have any questions, please do not hesitate to contact us by email immediately

Rank No. #7

Home Security Door Lock, 2 Pack Childproof Door Reinforcement Lock with 3 Inch Stop Withstand 800 lbs for Top Front Inward Swinging Door, Upgrade Flip High Night Lock to Defend Your Home Kids

Upgraded Security Design: 3" Stop metal construction home security door lock with 8 screws designed to withstand 800Ibs of force, 12 times stronger than a normal deadbolt to against being kicked in. We equipped each door lock latch with 8 screws, including 4 long and 4 short, which you can choose according to your needs. EVERPLUS safety door lock guard your home safe. This reinforcement lock is a good choice for home security. And the perfect gift for your families
Easy to Install: Use a power screwdriver and drill to mount EVERPLUS security door lock on your door frame, finish DIY this door lock reinforcement installation in less than 5 minutes and you will reap the safety of the whole family. Easy to match any inward swinging door. EVERPLUS safety door lock guard your home security as a door defender. Our high security door lock comes with an installation manual, and you can contact us if you have any issues during installation, we will help you
Easy to Use: Place index finger on top of door lock security and thumb on bottom and slide lock away from the base plate along with the door in the direction of the hinges then pull outward. No tools are required to open, just a little practice. This door guard prevents breaking in but is easy to open in case of emergency. You will much more confident in your doors being able to sustain any sort of forced entry
Home Security & Childproofing: EVERPLUS child proof door lock adds extra security measures for toddlers while you aways on business. This door reinforcement lock has a spring-loaded design to prevent children from opening the door to unknown people. This lock for door inside can provide protection for your children when you are not with them, it also makes the elderly or ladies feel safer when they are at home alone
Good Service: Secure home by EVERPLUS, home security door lock defend your home safe, not only prevent break-in but also easily opens when meeting urgently. EVERPLUS provides 5 years after-sale service to make sure you could buy with confidence and would try our best to solve any problem until you are satisfied

Rank No. #8

ANTEISI Inner Door Reinforcement Locks Latch,Single Door French Door Lock,Door Safety Locks from Inside,Suitable for Bedrooms,Bathrooms,RV etc

Stylish inner door reinforcement lock: Classic black door lock latch lock beautiful easy and versatile,Single door french door lock lock body thick,Sturdy extra door lock from inside inner door reinforcement lock bolt is not easy to break and deformation,Bedroom door lock anti-prying design is safe and reliable,The surface of the inner door bolt is smooth and does not hurt the hand,Twist door lock is simple and convenient to use
Door safety locks from inside: Bedroom door lock door reinforcement lock for ladies or the elderly alone at home to provide additional security,The inner door sliding door lock can also be used as a cabinet door sliding lock,to prevent cats and dogs to open the door to snatch the internal items of the locker,etc.Barrel bolt latch security door locks interior door lock add an extra layer of protection for you and your family
Multifunctional swing door bolt door locks: Interior door reinforcement locks can be applied to single door opening for bathroom doors,bedroom doors,RV doors,Public restroom doors,Office doors,Garden fence gates,Pet gates, Dormitory bathroom compartment doors,and more,Internal door locks can also be used as sliding locks for cabinet doors easy to rotate and extra lock for apartment door
Strong door safety locks: Our french door lock reinforced locks are different from ordinary sliding door locks,The inner bolt locks are designed with a 180-degree rotary switch,Night lock door security for a smooth and comfortable feel,Bathroom door locks can also be installed in the bathroom to prevent outsiders from breaking in,and the twist door lock inner door sliding lock gives you more peace of mind when bathing
Easy installation of interior door lock latch: Door reinforced locking pin is suitable for flat single door installation,Inner door bolt can be installed at will according to the left and right side of the door,The lock of the interior door is easy to install,The screws are fixed for more safety and durability,The attic door lock swivel latch for you to use more strong and comfortable

Rank No. #9

Prime-Line S 4180 Door Knob Lock-Out Device – Prevents Turning of Door Knob and Access to Keyhole, Can be Used for Home Rentals, Evictions, Job Sites & More – Keyed Alike, Diecast, Gray (Single Pack)

DOORKNOB LOCK-OUT DEVICE – The Defender Security doorknob lock-out device can be placed directly over the entry doorknob to block access to the keyhole. Note: Measure your door's handle diameter to ensure it will fit inside the lock-out device.
COVERS KEYHOLE – This doorknob security device is designed to keep the keyhole on the locked entry doorknob from being accessed, not the handle from being turned, effectively keeping other keyholders out.
REMOVABLE – The durable diecast cylinder is held in place with an O-ring and is removable for cleaning when the device is unlocked and open. The cylinder cannot be removed when the device is closed and locked.
DIMENSIONS – This lock-out device can protect rounded doorknobs that have a max diameter of 2-7/16 inch. Note that the shaft cut-out is circular in shape and measures 1-3/16 inch, so it may fit loosely over doorknobs with smaller diameter slender shafts.
APPLICATIONS – This lock-out device is often used in evictions, rentals, home sales, on job sites, in-home, in-office storage knobs and more. It is used in situations where you want to prevent other keyholders from accessing the keyhole to unlock

Rank No. #10

Guard Dog Security Blocklock Portable Door Lock Hotel Door Locks for Travelers Easy to Use Ideal for Travel and Home Security Pocket-Sized Safety Privacy for Apartments Rentals Hotels

Enhanced Security Anywhere: Protect yourself with this portable door lock, designed for travelers, renters, and anyone seeking enhanced privacy. This compact lock provides reliable safety for homes, hotels, and shared spaces
Quick and Tool-Free Setup: Installation and removal are quick and easy, requiring no tools. Just insert the metal piece into the slot of the door lock, close the door and secure the handle groove to the stud on the metal sheet. Even in emergency situations or the dark, the lock can be installed within seconds
Durable Construction: Made from high-quality stainless steel. Guard Dog Security lock door device is built to withstand force, ensuring reliable protection against intruders. The steel surface is electroplated and polished for a smooth touch, minimizing the risk of injury
Versatile Use: This lock is ideal for renters, students, travelers, and more. It’s perfect for use in hotels, dormitories, apartments, short-term rentals, Airbnbs, bathrooms, bedrooms, or private rooms. It can even help prevent pets from going out or children from opening doors to strangers
Pocket-Sized Convenience: Weighing just 0.4 lbs, the portable door lock is compact and easily fits into your bag or pocket, making it an essential travel companion for business trips, vacations, or solo adventures. Its universal fit works with most doors, though tight-fitting doors may require slight adjustments

Last update on 2025-03-18 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best inside of a lock?

Do you get stressed out thinking about shopping for a great inside of a lock? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching inside of a lock, which is why we have assembled a comprehensive list of the greatest inside of a lock 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 inside of a lock that you consider buying. Your questions might include the following:

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We’re convinced that you likely have far more questions than just these regarding inside of a lock, 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 inside of a lock, 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 inside of a lock. Make sure that you are only using trustworthy and credible websites and sources.

We provide an inside of a lock 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 inside of a lock 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:

Brand Value: Every brand of inside of a lock 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.
Features: What bells and whistles matter for an inside of a lock?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your inside of a lock.
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Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their inside of a lock.
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Product Reliability: How sturdy and durable an inside of a lock is should be an indication of how long it will work out for you.

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FAQ:

Q: What locks are always locked on the outside?

A: A storeroom lock is typically used on an outside storage closet or storage room. This lock has a fixed knob on the exterior and always remains locked. The only way to unlock the door is with a key. The inside knob has no thumbturn and always remains unlocked.

Q: How to unstick a lock?

A: Steer clear of spray lubricants. Spray lubricants are one of the most commonly recommended solutions for unsticking a stubborn lock,and while they may temporarily get the job done,… Try graphite powder instead. Most hardware stores carry this very handy lubricant,which does a fantastic job of lubricating your lock without all the fuss of dealing with sprays … Ditch both of the above tips altogether and get a keyless lock.

Q: How would you lock a door from the outside?

A: Pull the door closed gently without locking either of the locks first. … Insert the deadbolt key into the deadbolt lock and turn the key to the left to initiate the lock. … Turn the doorknob and try to open the door. … Place the key for the doorknob lock into the doorknob and turn it in the direction that initiates the lock.

Q: How can I lock a door from the outside?

A: To lock the door from the outside. Once installed, turn the handle 90 degrees to lock the slide lock. This will turn the operating lever and extend the bolt into the locked position. The door is now locked. NOTE: The exterior handle alone cannot unlock the side lock. The bolt is now blocked in place by the release lever.