The Best Keychain Multitool (Review & Buying Guide) 2021

The Victorinox Tinker Tool is a sturdy, reliable keychain from a brand with a long and reputable history of multitool manufacturing. This product features Swiss-made stainless steel construction in all its functions, encased in polished black ABS scales that form a durable container. It includes a 2.45-inch blade, screwdriver, and can opener, along with nine other useful functions. Its compact size and shape allow it to fit easily in any bag or pocket in addition to the keyring attachment. You can use the Tinker for countless tasks in the home, office, or outdoors, including opening bottles and stripping wires. Victorinox sells this product in five different colors and three sizes with different tool sets included, along with a lifetime guarantee to ensure the quality of the workmanship.

If you want a sleek keychain multitool that has a lot of functionality without taking up too much space, check out the Keyport MOCA Tool. This incredibly light product contains 10 different functions while weighing less than an ounce. It’s made of polished stainless steel and, at only 1/10th of an inch, it thick can fit anywhere with ease. The MOCA is also TSA-friendly, so you can safely bring it onto airplanes without fear of it being confiscated. You never have to feel naked without it while traveling again. Its functions include a bottle opener, screwdriver, box opener, and various other basic tools for solving common problems. Though it may not carry the widest array of tool options on our list, it still manages to fit a lot in for its size.

If you’re only looking for the most basic functions or you’re not sure exactly what you need, a safe and affordable option is the Nite Ize DoohicKey. It includes five common tools: a flathead screwdriver, box cutter, metric and imperial rulers, three differently-sized wrench-shaped inserts, and a bottle opener. There’s also an integrated carabiner clip, which makes it useful for attaching items to your backpack, such as a water bottle or keyring. It’s made of stainless steel, which makes this keychain multitool very durable and suitable for everyday use and one of the most compact and portable options on our list. The DoohicKey is also TSA-friendly and backed by Nite Ize’s worry-free guarantee, so you can feel confident that your purchase will last a long time.

The Gerber Dime Mini Multi-Tool is one of the bulkier items on our list because it comes with a serious array of tools in a tough and protective case. This keychain multitool opens in a butterfly style and contains 10 distinct tools for a variety of purposes, all crafted from stainless steel that can hold up to regular wear and tear. When you make this product part of your daily carry, you get needle nose spring-loaded pliers, wire cutters, a fine edge blade, and several other tools that even the experienced handyman might be glad to have in your pocket. It’s convenient to carry and features an external bottle opener that can be used without even opening the multitool. This is a great option with a range of uses and long-lasting construction.

Though it carries a higher price tag than the other products on our list, the Leatherman Squirt PS4 Multitool earns its place for being incredibly well-built, versatile, and convenient to use. This keychain multitool is made from sturdy stainless steel with aluminum handles that protect your toolkit in a compact shape. It contains nine tools with various applications, including scissors, pliers, and a knife blade, making it useful for many tasks both outdoors and at home. In addition, this multitool is great for using when you’re in a tough spot because it is designed such that every tool can be accessed and utilized using only one hand. You never know when you won’t have both hands available, so the Squirt PS4 offers a unique level of preparedness in that way.

The compact Geekey Multi-tool is lightweight and compact, so it's a great fit on a keyring. It's made of 420 stainless steel and is designed for outdoorsmen, bikers, handymen, etc. The device has over 16 functions, including a bottle opener, screwdriver, ruler, wrench, and a bike spoke key. The device is TSA compliant, so you can carry it on an airplane. Overall, it's very functional and well made. The wrenches are standard and metric, and if you ride a motorcycle you can use it to adjust just about anything. While it's a little bit bigger than the size of an average key, it's sturdy and lightweight. However, there have been some complaints that it may rust after a short period of time despite being made of stainless steel.

The  SOG MacV Tool is 12 tools in one and includes a bottle opener, pry bar, flathead drivers, Phillips driver, line cutter, blade sharpener, and wrenches. It's a great everyday carry device that is made of durable 3Cr13 stainless steel. You can also carry it on an airplane as it conforms with TSA regulations. Overall, the tool is very useful, and many users like it because it's designed to look like a demon skull. In addition, the knife sharpener works quite well on a variety of blades, including box cutter and single edge razor blades. One downside is the black coating may start to fade and get scratched and dinged up over time. Also, the metal can bend rather easily, making some of the tools difficult to use.

This Keychain Multi-Tool EDC Mini-Tool is the size of a keychain and shaped like a shark, but it's also available in hippopotamus, dog, and key shapes. The gadget has seven functions, including a bottle opener, wrench, flathead screwdriver, and cross screwdriver. The heavy-duty tool is made of stainless steel and has a sandblasted surface for texture. It is 2.36 by 22 by 0.08 inches and is small and lightweight. It feels comfortable in your pocket, and the company provides a 100 percent satisfaction guarantee as well as a one-year warranty. Users like that it's slim and doesn't feel bulky. In addition, the design choices are a lot of fun. However, it can be difficult to open a bottle with keys connected to the gadget.

The Mini EDC Multitool is a 10-in-1 keychain multitool with functions such as a pocket knife, scissors, can opener, bottle opener, nail file, screwdrivers, and SIM card tool. The foldable device weighs 3 ounces and is quite small and lightweight considering the functions it provides. It's made from 420 stainless steel, so it's tough and durable. The blade has an aluminum and stainless steel handle and is 1.77 inches long. It also features a safety lock that activates when you close the device. Overall, it's well made and well designed and is easy to carry. In addition, it feels smooth and comfortable in your hand. One issue is that it can be hard to pull some of the tools out unless you have strong nails.

The Kershaw Compact Keychain Multifunction Tool can attach to a keychain, pocket, bag, or purse. It's lightweight, made of stainless steel, and has a bead-blasted finish that makes it tough, strong, and wear-resistant. The glass-filled nylon overlay handle provides a secure grip, and it features a bottle opener, flathead screwdriver, a mini pry bar, and a lanyard hole. It's a handy little gadget to have on hand if you hike, fish, camp, or need it for everyday repairs or emergencies. Users like that it's small yet useful and easy to use. Plus, it's a really good value overall. One complaint is that it's a little heavier and bulkier than some rival options. The bottle opener can also be challenging to use.