Best Knife Letter Openers of 2025

Rebecca Cantu Avatar
Rebecca Cantu
Last Updated: Jan 8, 2025

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Knife letter openers are a unique and stylish way to open your mail. These miniaturized versions of traditional knives are made with sleek and durable materials such as stainless steel and carbon fiber. They come in a variety of designs, from classic to modern, and often include intricate details such as etched patterns or ornate handles. Knife letter openers make a great addition to any desk or home office, and they also make for a thoughtful and practical gift. Their sharp blades effortlessly slice through envelopes, making the task of opening mail a little more enjoyable.

At a Glance: Our Top Picks

MUSROD Silvery Letter Opener Cover #TOP 1
MUSROD Silvery Letter Opener
ftb score rating icon 9.9
Uncommon Desks Silver Letter Opener Knife Cover #TOP 2
Uncommon Desks Silver Letter Opener Knife
ftb score rating icon 9.8
Uncommon Desks Office Letter Opener Cover #TOP 3
Uncommon Desks Office Letter Opener
ftb score rating icon 9.6

Top 10 Knife Letter Openers

#TOP 1

MUSROD Silvery Letter Opener

FML01
1 Pack - Silvery
1 Pack
MUSROD Silvery Letter Opener Cover
MUSROD Silvery Letter Opener, Envelope Opener Knife Metal Letter Opening Knife, Paul Revere Paper Cutting Knife, 9 inches (1 Pack)

The MUSROD Letter Opener is a high-quality envelope opener made of zinc alloy with a polished nickel surface. Its perfect design features a water drop-shaped handle for a comfortable grip and a sword-like long blade that adds a touch of classical elegance. This letter opener is not only safe to use, but also user-friendly. Its pointed end allows for easy insertion into envelopes without damaging the contents inside or risking any cuts on your hands. With an overall length of 9 inches, this letter opener comes in a plastic box for easy storage. MUSROD ensures the best quality by inspecting each letter opener twice before it is sold. If you are not satisfied with your purchase, their customer service is committed to making things right!

What We Like
High Quality Material
Perfect Design
Safe and User Friendly
#TOP 2

Uncommon Desks Silver Letter Opener Knife

UD-PLTLO-SIL-1PK
Uncommon Desks Silver Letter Opener Knife Cover
Uncommon Desks Silver Letter Opener Knife - Smooth Metal Plated Envelope Opener - Ergonomic Rounded Handle for Comfort - Home and Office Mail Supplies - 1 Pack

Uncommon Desks Silver Letter Opener Knife is an elegant and efficient tool for your home or office space. Its sleek sword-like blade and comfortable ergonomic grip make it easy to quickly slice through envelopes without damaging the contents. The pointed end is safe and user-friendly, ensuring that you won't cut yourself or damage the inside contents. Made with durable metal and plated with rose gold or silver surfacing, this letter opener will last a lifetime.

What We Like
Elegant and efficient design
Safe and user-friendly
Durable metal and plated with rose gold or silver surfacing

Uncommon Desks Office Letter Opener

UD-1PCS-B-MLO
Black
1-Pack
Uncommon Desks Office Letter Opener Cover
Uncommon Desks Office Letter Opener - Stainless Steel Knife-Edge Blade, Ergonomic Grip Handle (Black, 1 Pieces)

Uncommon Desks Office Letter Opener is a set of black-colored letter openers that come with an ergonomic grip handle. The knife-edge blade is made of durable stainless steel and can easily slice through paper envelopes. It is designed to be comfortable to use and can help you open your mail quickly. The package includes one piece of letter opener envelope slitter set, and the product comes with Uncommon Desks satisfaction guarantee. However, for safety reasons, you should never place your finger on the blade and keep it out of reach of small children.

What We Like
Durable stainless steel blade
Ergonomic grip handle for comfortable use
Efficiently opens paper envelopes
#TOP 4

ALLEX 6.7" Sword Letter Opener

11120B
Black
6.7" (Non-Stick)
ALLEX 6.7" Sword Letter Opener Cover
ALLEX Letter Opener Black 6.7" Sword Envelope Opener Knife, Japanese Stainless Steel Blade [Non-Stick Fluorine Coating], Mail Opener Paper Knife Tool All Metal, Made in Japan

The ALLEX Letter Opener features a finely crafted Japanese stainless steel blade that excels at slicing through folded paper and opening envelopes with ease. Its unique design includes an ergonomically curved blade, allowing you to open envelopes comfortably and efficiently. The non-stick fluorine coating helps you cut through adhesive and tape without any hassle. Plus, the non-slip elastomer resin rings provide a secure grip, ensuring that you can handle the opener safely and with confidence. This tool is perfect for anyone seeking a stylish and functional solution for their mailing needs.

What We Like
High-quality Japanese craftsmanship
Ergonomic design for comfort
Non-stick blade for easy cutting
Secure, non-slip grip

Chuangdi 4 Pieces Letter Opener Knife

Chuangdi-Openers Lightweight-27
As Pictures Shown
Chuangdi 4 Pieces Letter Opener Knife Cover
Chuangdi 4 Pieces Letter Opener Knife Stainless Steel Envelope Openers Lightweight Mail Opener Tool Slitters Letter Knives for Office Home School Supplies (Vintage Style)

The Chuangdi Letter Opener Knife is a set of 4 stainless steel letter openers with a vintage floral design. These elegant and lightweight openers are not only stylish but also highly functional. The sharp edge allows you to easily and quickly open envelopes without damaging the contents inside. Made of high-quality stainless steel, these openers are comfortable to hold and resistant to rust and impact. With a length of 6.7 inches, this set is perfect for everyday use at home, in the office, or at school. Whether you need to open letters, emails, or packages, the Chuangdi Letter Opener Knife is a reliable tool that adds a touch of beauty to your daily life.

What We Like
Elegant design
Sharp and efficient
High-quality stainless steel
#TOP 6

Wablade Mini Samurai Sword Letter Opener

Wablade
20230823WBPK01SYa
various
Wablade Mini Samurai Sword Letter Opener Cover
Mini Japanese Samurai Katana Sword Paper Knife Letter Opener 8.3 inch (Sanada Yukimura)

Unleash your inner warrior with the Wablade Samurai Letter Opener. Crafted by skilled artisans, this 8.3-inch sword-shaped letter opener ensures smooth opening of all your mail. Display it on the stand provided to add a touch of Japanese elegance to your desk. Safely cover the blade when not in use to prevent accidents. Made of stainless steel and ABS + elastomer, this letter opener is both durable and stylish. Save time searching for a letter opener by keeping this miniature decorative samurai sword within sight.

What We Like
Hand-sharpened blade
Miniature decorative display
Protective blade cover
#TOP 7

Kosiz Letter Opener Knife

Kosiz
Kosiz-Openers Lightweight-36
Kosiz Letter Opener Knife Cover
Kosiz Letter Opener Sword Stainless Steel Envelope Openers Slitters Mail Opener Lightweight Letter Knives for Office Home Supplies, 4 Pieces(White, Black, Blue, Red)

The Kosiz Letter Opener is a set of 4 stainless steel envelope openers that are perfect for your daily needs. Made of high-quality stainless steel, these letter knives are sturdy, safe, and resistant to rust. They are lightweight and easy to use, making them ideal for both office and home use. With a proper size and plastic handles for a better grip, these envelope slitters won't slip out of your hands easily. Not only can they be used for opening envelopes, but they can also help with unripping tangled strings, ropes, and plastic packages. The Kosiz Letter Opener is a practical tool that brings convenience to your everyday tasks.

What We Like
Sturdy and rust-resistant
Lightweight and easy to use
Plastic handles for a better grip
#TOP 8

MUSROD 9" Black Metal Letter Opener

‎FML-OPNV2
MUSROD 9" Black Metal Letter Opener Cover
MUSROD 9" Black Metal Letter Opener with Minimalist Design, Safe Double Edge Blades, Anti-Fingerprint Long Handle, Mail Opener Paper Knife Tool Envelope Opener

The MUSROD 9" Black Metal Letter Opener is a unique, patented design that merges minimalist art with maximum comfort and functionality. The safe double-edged sword blade ensures clean and easy opening of envelopes without damaging the contents or your hand. Made of solid zinc alloy with electroplated matte black surface, the opener is rustproof and features a specially strengthened blade to prevent bending. The 13 cm/ 5.2 inches long handle ensures the most comfortable grip.

What We Like
Safe and user-friendly design
High-quality rustproof material
Unique patented design
#TOP 9

Qoaimu 4Pcs Stainless Steel Letter Opener Knife

Qoaimu
860320
black
Qoaimu 4Pcs Stainless Steel Letter Opener Knife Cover
Qoaimu 4Pcs Stainless Steel Letter Opener Knife, Lightweight Mail Slitters, Office & Home Use

Qoaimu Letter Opener Set includes 4 stainless steel knives perfect for cutting paper, ribbons, and photos. The knives are lightweight, rust-resistant, and have user-friendly handles for a comfortable grip. With efficient cutting, you can easily open envelopes and other items. These versatile tools are ideal for offices, homes, and schools, making them a practical gift for online shoppers or a housewarming present.

What We Like
Stainless steel material
User-friendly handles
Efficient cutting

Honbay Sword Letter Opener

LETTER-OPENER-SWORD-SILVER1
Silver
Honbay Sword Letter Opener Cover
Honbay 1PCS Sword-Shaped Letter Opener Knife Letter Opening Tool Zinc Alloy Envelope Slitter Metal Envelope Opener Sword Envelope Open Tool Mail Opener for School Home Office Mail Supplies (Silver)

The Honbay Envelope Opener is a sleek zinc alloy knife designed for effortlessly opening envelopes without damaging the contents. Its sword-like blade allows for quick and smooth slicing, ensuring a clean opening every time. The non-sharp blade ensures safety, making it easy to use without the risk of cutting your hands. With its 19.5cm length, it's perfect for opening letters, mails, and parcels, providing convenience in your daily tasks. Additionally, it can be used as a decorative item or paperweight on your desk, adding a touch of elegance to your workspace.

What We Like
Effortlessly opens envelopes
Safe non-sharp blade
Can be used as decoration
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What can I use instead of a letter opener?

If you don't have a letter opener, you can use scissors. Simply use one of the scissor blades as if it were a letter opener to open your mail.

2. Can a letter opener cut you?

Yes, a letter opener can potentially cut you. There have been incidents where people have been injured by letter openers, including an attempted assassination where a person was stabbed in the chest with a letter opener. It's important to handle letter openers with caution and keep them away from children or anyone who may misuse them.

3. Can you legally mail a knife?

Yes, you can legally mail a knife. However, when shipping knives, it's important to securely pack them in a container that will protect anyone handling the package from harm. The USPS allows the shipment of knives with any service as long as proper packaging is used to ensure safety during transport.

4. Are you supposed to sharpen letter openers?

Most letter openers do not need to be sharpened as they will work effectively even when they become dull. However, if your letter opener is particularly blunt, it may be possible to sharpen it. Note that some letter openers, such as plastic ones, cannot be sharpened and would need to be replaced if they no longer serve their purpose.

5. Can you carry on a letter opener?

While letter openers are not specifically prohibited items for carry-on luggage, it is recommended to pack them in checked bags to avoid any issues or confusion during security checks. It's always best to check with the specific airline or transportation authority for their regulations regarding carrying letter openers.

Editor's Notes

During our knife letter opener research, we found 24 knife letter opener products and shortlisted 10 quality products. We collected and analyzed 35,923 customer reviews through our big data system to write the knife letter openers list. We found that most customers choose knife letter openers with an average price of $7.38.

The knife letter openers are available for purchase. We have researched hundreds of brands and picked the top brands of knife letter openers, including MUSROD, Uncommon Desks, ALLEX, Chuangdi, Wablade. The seller of top 1 product has received honest feedback from 88 consumers with an average rating of 4.9.

Written by
Rebecca Cantu Avatar

Rebecca Cantu grew up in a family-owned retail store for home and kitchen products. She worked online and gave assistance to people to buy ideal products for their sweet home after graduating from Northwestern University with a marketing degree. She has been writing content for online shopping guides since 2011 with her professional knowledge and natural sensitivity of appliances.