10 Best Usb Blocker of 2025

Tested and Reviewed: Top 10 Usb Blocker deals with expert ratings from 8.1 to a perfect 10

May 2025 Edition

Editor's Choice

9.7

PortPlugs

PortPlugs USB-A Port Blockers - Key Lock USB Security for PC, Laptop & Notebook - Removable Type-A Data Protection - Dust & Moisture Resistant Shield | Black (10-Pack)

Free Shipping

Editor's bottom line:

“This usb blocker is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Optimized For Usb-A Ports - PortPlugs USB Port Blockers are compatible with a wide range of devices, including PCs, laptops, and notebooks. They were specifically designed to fit USB A ports for a secure fit. These 10 protective port caps with keys allow you to protect your devices for a hassle-free experience.
Removable With Key - Experience both security and convenience with our removable port blockers. With the included key, you can effortlessly lock and unlock the port blockers, making managing device connections easier.
Two-Way Protection - Enjoy advanced protection with our premium USB-A port blockers. Physically block USB ports to prevent unauthorized access and defend your data's integrity. Additionally, protects your devices from dust, enhancing their longevity.
Premium Build & Protection] - Crafted from oxidation-proof, heat-resistant PE material, our USB cover cap offers dual benefits security and protection against dust and moisture. - managing access has never been easier.
Trusted Usa-Based Brand - Founded in San Diego, CA, PortPlugs is a pioneer in device port protection. We promise unmatched quality and customer satisfaction. Whether it's USB data blocking or simple dust caps, PortPlugs has you covered.

Show Price

Picked by 193 people today

9.5

Save 19%

JSAUX

JSAUX USB Data Blocker & USB C Data Blocker (4-Pack), Transparent USB-A to USB-A & USB-C to USB-C Data Blocker Only for Charge, Protect Against Juice Jacking, Refuse Hacking Provide Safe Charging

19% OffFree Shipping

Main Highlights

The Ultimate Data GuardianAre you worried about the risk of mobile phone data leakage or uploading viruses when you use a charging station to recharge? Worried about spyware or hacking attacks on your mobile device while charging? Don't worry, choosing a data blocker is an effective measure to prevent these potential risks.
Only for Charging With our USB data blocker, you can charge your device without any risk of data transfer. It acts as a smart barrier, allowing only the charging function while protecting your valuable information from potential hacking or malware threats by physically blocking data transfer and syncing. By JSAUX data blocker, your phone can never receive pop-ups for requirement of data transmission.
Fast Charging for USB C Data BlockerJSAUX USB C Data Blocker adopts PD 3.0/2.0 fast charging technology, supports 100W fast charging (20V/5A), and is also compatible with charging power of 240W/140W/60W/45W/36W/27W/15W, etc. The USB Data Blocker supports up to 2.4A charging. (NOTE: The actual charging speed depends on your device and wall charger.)
Compact and PortableOur usb data blocker is small and lightweight. You can slip it into your pocket, bag or keychain and easily take it anywhere. Perfect for people on the go or those who use public charging stations at airports, hotels, etc. Designed with a transparent case for a more visual look and feel.
USB & USB-C Data Blockers 4 PackWe offer you two USB Data Blockers and two USB-C Data Blockers, compatible with iPhone 16/16 Plus/16 Pro/16 Pro Max, iPhone 15/15 Plus/15 Pro/15 Pro Max, Samsung, iPad, Macbook and other devices. Whether you are using standard USB or USB-C ports, you can meet the safe charging needs.

Show Price

9.5

BUISAMG

BUISAMG Data Blocker, USB A & USB C Data Blocker for iphone15 16 and Any USB C Mobile Phone Charge, Protect Against Juice Jacking, Refuse Hacking, Data Blocker Only Safe Charging. (6-Pack)

Free Shipping

Main Highlights

Combination set: More affordable, 2 pieces of USB to A & 2 pieces of USB A to C and 2 pieces USB C to C Data Blocker -total 6 pieces, which can meet your daily use needs, suitable for any mobile phones and electronic devices with USB A and USB C interfaces.
PROTECT YOUR PHONE / TABLET : Think about that Traveling or going out in public areas one time when you needed a charge at an airport but were too scared to get juice jacked. That is why we brought this data blocker for you. Charge your device with this powerful USB data blocker without worrying about any hacker getting in your device.
HIGH SPEED CHARGING: USB defenders are made for blocking the hacker as well as fast charging, The 4th generation design chip can be used for the universal charging standards automatically switch to, Compatible with Various brands of smartphones, ensure compatibility with your device. and charge at up to 2.4 Amps.
to make high quality safety products:Advance manufacturing process design The metal shell material has multiple safety protection functions such as heat dissipation and fire safety, USB Data Blocker are used by the governments of the USA, Canada, UK and New Zealand as well as 100s of corporations around the world to secure their devices100% guarantee against hacker attack.
Perfect Compatibility: We USB-C to USB-C and USB-A to USB-C data blocker ensures seamless data security across all your Type-C tech gadgets including iPhone 15 and 16 series, Galaxy S25 S24 S23 S22 S21 S10, USB-C iPad, Android Tablets, MacBooks, and more
If you are unsatisfied with the product for any reason simply contact us and we will issue with our no hassle return policy.12-Month worry free period, in use have any questions, we will resolve your issue within 24 hours.

Show Price

9.2

PortaPow

PortaPow USB Power Blocker - Stops Charging, Allows Data (Twin Pack)

Free Shipping

Main Highlights

This is NOT a data blocker, see PortaPow's other products if that is what you need
This a USB-A male to female adaptor which has the D+, D- and 0V connected but the 5V disconnected, so power cannot pass through.
Useful for specialist applications such as 3D Printers and Raspberry Pi where providing power results in undesirable effects
Note that blocking charge/power will also prevent data transfer for smartphones, tablets and many other devices, so this device will not be useful in those cases.
Extra Value Twin Pack. Supports USB 2.0 Data Transfer.

Show Price

9.0

BUISAMG

BUISAMG Data Blocker, 4-in-1 Universal USB Data Blocker, Protection from Illegal Downloading, Hacking Proof 100% Guaranteed, for iPhone 15 16 and Any USB Device Charging. 2-Pack

Free Shipping

Main Highlights

4-in-1 Data Blocker We have combined the USB-A to USB-C and USB-A to USB-A, USB-C to USB-A, USB-C to USB-C data blocker into one, Perfect Compatibility . 4-in-1 data blocker ensures seamless data security across all your Type-C tech gadgets including iPhone 15 and 16 series, Galaxy S25 S24 S23 S22 S21 S10, USB-C iPad, Android Tablets, MacBooks, and more
Multi functional transformation just one data blocker can meet the convenience of charging two devices at the same time. No need to worry about finding the right charging port. Supports up to 3A charging for a single device.
PROTECT YOUR PHONE / TABLET : Think about that Traveling or going out in public areas one time when you needed a charge at an airport but were too scared to get juice jacked. That is why we brought this data blocker for you. Charge your device with this powerful USB data blocker without worrying about any hacker getting in your device.
HIGH SPEED CHARGING: USB defenders are made for blocking the hacker as well as fast charging, The 4th generation design chip can be used for the universal charging standards automatically switch to, Compatible with Various brands of smartphones, ensure compatibility with your device. and charge at up to 2.4 Amps. USB C to C Support Safe Fast Charging up to 20V/4A.
to make high quality safety products:Advance manufacturing process design The metal shell material has multiple safety protection functions such as heat dissipation and fire safety, USB Data Blocker are used by the governments of the USA, Canada, UK and New Zealand as well as 100s of corporations around the world to secure their devices100% guarantee against hacker attack.
METAL QUALITY, PLEASE REST ASSURED:We make the best quality.12-Month worry free period, If you are unsatisfied with the product for any reason simply contact us and we will issue with our no hassle return policy, in use have any questions, we will resolve your issue within 24 hours.

Show Price

8.8

RUXELY

USB Data Blocker Adapter 3-Pack,Charge Only Type-A Cable,Data Blocking Defender,Protect Against Juice Jacking,USB Power Connector for iPhone 12 13 14 15,Samsung Galaxy S21 S22 S23,iPad Air Tablet,Car

Free Shipping

Main Highlights

(Charging Without Compromising) In a world where cyber threats lurk around every corner, a USB Data Blocker is indispensable for your safe navigation on the Internet.The Ruxely USB Data Blocker is your loyal guardian as it can effectively prevent unauthorized access to your data without compromising on its 2.4 Amps charging speeds.
(Security On the Go)With its compact and sleek design, this data blocker is your perfect travel companion. Its intelligent technology instantly detects and neutralizes any potential malware or data hijacking attempts, ensuring that your personal information remains safe and secure. Whether you're in a bustling airport, a crowded café, or a busy conference room, it's got your back.
(Versatility in Compatibility) What also sets this USB Data Blocker apart from other similar devices is its compatibility with a wide range of devices. Whether you have an iPhone, an Android smartphone, a tablet, or even a digital camera, it works seamlessly with all of them, making it an essential tool for anyone who values their privacy.
(Intuitive Usage) This USB data blocker is also incredibly user-friendly. There are no complicated installations or additional software required. Simply plug it into any USB port, and it will immediately kick into action, effectively blocking any data transfers while allowing the device to charge normally. It's as simple as plug-and-protect!
(Buy them Worry-free) We back this product with a worry-free 12-month warranty. Questions with your orders? We are just a mouse-click away. Not satisfied with your purchase? Here's your reimbursement. No catch, no strings attached.

Show Price

8.6

PortaPow

PortaPow 3rd Gen USB Data Blocker (Red 2 Pack) - Protect Against Juice Jacking

Free Shipping

Main Highlights

Attach between your USB cable and charger to physically block data transfer / syncing; Charge mobile devices without any pop-ups or risk of hacking / uploading viruses in cars, airports etc
This is our USB-A to A version, USB-C and others available; Read below if its the right one for your device
The only data blocker to physically show you that its blocking data and several other great features; See full details below
Allows charging without any risk of hacking / uploading viruses, can charge from an office PC even if USB socket has been disabled without breaking IT policy

Show Price

Best Value

8.3

Save 25%

BUISAMG

BUISAMG Data Blocker, USB A & USB C Data Blocker for Any USB C Mobile Phone Quick Charge, Protect Against Juice Jacking, Refuse Hacking, Only Safe Charging. (4-Pack)

25% OffFree Shipping

Main Highlights

Combination set: More affordable, 2 pieces of USB Data Blocker & 2 pieces of USB C Data Blocker total 4 pieces, which can meet your daily use needs, suitable for any mobile phones and electronic devices with USB A and USB C interfaces.
Perfect Compatibility: We USB-A to USB-C data blocker ensures seamless data security across all your Type-C tech gadgets including iPhone 15 and 16 series, Samsung Galaxy S25 S24 S23 S22 S21 S10, USB-C iPad, Android Tablets, MacBooks, and more
PROTECT YOUR PHONE / TABLET : Think about that Traveling or going out in public areas one time when you needed a charge at an airport but were too scared to get juice jacked. That is why we brought this data blocker for you. Charge your device with this powerful USB data blocker without worrying about any hacker getting in your device.
HIGH SPEED CHARGING: USB defenders are made for blocking the hacker as well as fast charging, The 4th generation design chip can be used for the universal charging standards automatically switch to, Compatible with Various brands of smartphones, ensure compatibility with your device. and charge at up to 2.4 Amps.
to make high quality safety products:Advance manufacturing process design The metal shell material has multiple safety protection functions such as heat dissipation and fire safety, USB Data Blocker are used by the governments of the USA, Canada, UK and New Zealand as well as 100s of corporations around the world to secure their devices100% guarantee against hacker attack.

Show Price

8.1

Save 20%

JSAUX

JSAUX USB Data Blocker, (4-Pack) USB-A Defender Only for Quick Charge, Protect Against Juice Jacking, Refuse Hacking Provide Safe Charging- Red

20% OffFree Shipping

Main Highlights

Charge Only: No data-sync function. Safely charge in public, protecting against data breaches and virusesideal for travel and business trips
2.4A Fast Charge: Delivers up to 2.4A for iPhones, iPads, Samsung devices, tablets, MP3s, and most USB devices
Metal & Non-Slip: Premium aluminum shell adds durability, protecting internal chips, while the non-slip design ensures easy insertion and removal
Compact & Portable: Lightweight and small enough to fit in your wallet or pocket, perfect for travel
No Pop-ups: JSAUX data blocker prevents any data transmission requests on your phone

Show Price

8.1

Save 20%

JSAUX

JSAUX USB-C Data Blocker, (4-Pack) USB-A to USB-C Female Defender Only for Quick Charge, Protect Against Juice Jacking, Refuse Hacking Provide Safe Charging- Red

20% OffFree Shipping

Main Highlights

Protect Your Data: The JSAUX USB C to USB Data Blocker lets you charge in public safely, preventing data breaches and virus risks. Ideal for travel. Note: Charge only, no data-sync function
Universal Compatibility: Connect any USB-C device with ease. Works with iPhone 15/14/13/12 series, Samsung Galaxy S24/S23 series, Google Pixel, and other devices using USB-C or USB-C to Lightning cables
No Pop-ups: By JSAUX data blocker, your phone can never receive pop-ups for requirement of data transmission
Metal & Non-Slip design: Compared with other USB C data blocker, We use premium Aluminum shell add better durability, preventing internal chips and circuits from breaking. Non-Slip Design for easier insertion and removal
Compact & Portable: This USB C defender is more lightweight and portable, this design will make it easier for you to carry it in your pocket or bag during the journey

Show Price

Our Best Overall Choice

Best Choice

9.7

PortPlugs

PortPlugs USB-A Port Blockers - Key Lock USB Security for PC, Laptop & Notebook - Removable Type-A Data Protection - Dust & Moisture Resistant Shield | Black (10-Pack)

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Optimized For Usb-A Ports - PortPlugs USB Port Blockers are compatible with a wide range of devices, including PCs, laptops, and notebooks. They were specifically designed to fit USB A ports for a secure fit. These 10 protective port caps with keys allow you to protect your devices for a hassle-free experience.
Removable With Key - Experience both security and convenience with our removable port blockers. With the included key, you can effortlessly lock and unlock the port blockers, making managing device connections easier.
Two-Way Protection - Enjoy advanced protection with our premium USB-A port blockers. Physically block USB ports to prevent unauthorized access and defend your data's integrity. Additionally, protects your devices from dust, enhancing their longevity.
Premium Build & Protection] - Crafted from oxidation-proof, heat-resistant PE material, our USB cover cap offers dual benefits security and protection against dust and moisture. - managing access has never been easier.
Trusted Usa-Based Brand - Founded in San Diego, CA, PortPlugs is a pioneer in device port protection. We promise unmatched quality and customer satisfaction. Whether it's USB data blocking or simple dust caps, PortPlugs has you covered.

Show Price

Related Deals You Might Like for Usb Blocker

Data Blocker, USB A to A & USB C to C Data Blocker (4-Pack), Protect Against Juice Jacking,100% Guaranteed Prevent Hacker Attac,Support Safe Fast Charging up to 20V/4A

Show PriceView

PortaPow USB-C Data Blocker (Twin Pack)

17% Off

Show PriceView

USB Data Blocker Adapter 3-Pack,Charge Only Type-A Cable,Data Blocking Defender,Protect Against Juice Jacking,USB Power Connector for iPhone 12 13 14 15,Samsung Galaxy S21 S22 S23,iPad Air Tablet,Car

Show PriceView

Afterplug USB C to C Data Blocker, Anti Juice Jacking, for Charge Only, Case Friendly Design, Support up to 240W PD Charging (2-Pack), Red

Show PriceView

Data Blocker, 4-in-1 Universal USB Data Blocker, Protection from Illegal Downloading, Hacking Proof 100% Guaranteed, for iPhone 15 and Any USB Device Charging. 2-Pack (Red)

Show PriceView

Generic Data Blocker, USB A to C & USB C to C (4-Pack), Protect Against Juice Jacking, 100% Guaranteed Prevent Hacker Attack, Support Safe Fast Charging up to 20V/4A

50% Off

Show PriceView

4rd Gen Data Blocker (2-Pack)-USB C Data Blocker, Type-C Charger, for Any USB C Mobile Phone Charging,Protect Against Juice Jacking, Hack Proof 100% Guaranteed, USB- Data Blocker

50% Off

Show PriceView

Deals are Live

Special Amazon deal ends in:

10 Best Usb Blocker of 2025

Tested and Reviewed: Top 10 Usb Blocker deals with expert ratings from 8.1 to a perfect 10

PortPlugs

PortPlugs USB-A Port Blockers - Key Lock USB Security for PC, Laptop & Notebook - Removable Type-A Data Protection - Dust & Moisture Resistant Shield | Black (10-Pack)

Editor's bottom line:

Main Highlights

JSAUX

JSAUX USB Data Blocker & USB C Data Blocker (4-Pack), Transparent USB-A to USB-A & USB-C to USB-C Data Blocker Only for Charge, Protect Against Juice Jacking, Refuse Hacking Provide Safe Charging

Main Highlights

BUISAMG

BUISAMG Data Blocker, USB A & USB C Data Blocker for iphone15 16 and Any USB C Mobile Phone Charge, Protect Against Juice Jacking, Refuse Hacking, Data Blocker Only Safe Charging. (6-Pack)

Main Highlights

PortaPow

PortaPow USB Power Blocker - Stops Charging, Allows Data (Twin Pack)

Main Highlights

BUISAMG

BUISAMG Data Blocker, 4-in-1 Universal USB Data Blocker, Protection from Illegal Downloading, Hacking Proof 100% Guaranteed, for iPhone 15 16 and Any USB Device Charging. 2-Pack

Main Highlights

RUXELY

USB Data Blocker Adapter 3-Pack,Charge Only Type-A Cable,Data Blocking Defender,Protect Against Juice Jacking,USB Power Connector for iPhone 12 13 14 15,Samsung Galaxy S21 S22 S23,iPad Air Tablet,Car

Main Highlights

PortaPow

PortaPow 3rd Gen USB Data Blocker (Red 2 Pack) - Protect Against Juice Jacking

Main Highlights

BUISAMG

BUISAMG Data Blocker, USB A & USB C Data Blocker for Any USB C Mobile Phone Quick Charge, Protect Against Juice Jacking, Refuse Hacking, Only Safe Charging. (4-Pack)

Main Highlights

JSAUX

JSAUX USB Data Blocker, (4-Pack) USB-A Defender Only for Quick Charge, Protect Against Juice Jacking, Refuse Hacking Provide Safe Charging- Red

Main Highlights

JSAUX

JSAUX USB-C Data Blocker, (4-Pack) USB-A to USB-C Female Defender Only for Quick Charge, Protect Against Juice Jacking, Refuse Hacking Provide Safe Charging- Red

Main Highlights

Our Best Overall Choice

PortPlugs

PortPlugs USB-A Port Blockers - Key Lock USB Security for PC, Laptop & Notebook - Removable Type-A Data Protection - Dust & Moisture Resistant Shield | Black (10-Pack)

Editor's bottom line:

Main Highlights

Related Deals You Might Like for Usb Blocker

Lindy USB Port Blocker - Pack of 4, Blue (40452)

PortaPow USB Data Blocker (Black 5 Pack) - Protect Against Juice Jacking

Lindy USB Port Blocker - Pack of 10 - Blue 40462

Data Blocker, USB A to A & USB C to C Data Blocker (4-Pack), Protect Against Juice Jacking,100% Guaranteed Prevent Hacker Attac,Support Safe Fast Charging up to 20V/4A

PortaPow USB-C Data Blocker (Twin Pack)

USB Data Blocker Adapter 3-Pack,Charge Only Type-A Cable,Data Blocking Defender,Protect Against Juice Jacking,USB Power Connector for iPhone 12 13 14 15,Samsung Galaxy S21 S22 S23,iPad Air Tablet,Car

Afterplug USB C to C Data Blocker, Anti Juice Jacking, for Charge Only, Case Friendly Design, Support up to 240W PD Charging (2-Pack), Red

Data Blocker, 4-in-1 Universal USB Data Blocker, Protection from Illegal Downloading, Hacking Proof 100% Guaranteed, for iPhone 15 and Any USB Device Charging. 2-Pack (Red)

Generic Data Blocker, USB A to C & USB C to C (4-Pack), Protect Against Juice Jacking, 100% Guaranteed Prevent Hacker Attack, Support Safe Fast Charging up to 20V/4A

4rd Gen Data Blocker (2-Pack)-USB C Data Blocker, Type-C Charger, for Any USB C Mobile Phone Charging,Protect Against Juice Jacking, Hack Proof 100% Guaranteed, USB- Data Blocker

Deals are Live