Tired Of Food Waste And Spoilage?

LockNJar creates a perfect vacuum seal in mason jars that dramatically extends the shelf life of your foods. By removing oxygen that causes spoilage, it keeps fruits, vegetables, dry goods, and leftovers fresh up to five times longer than conventional storage methods. The powerful suction and auto-stop technology work together to create the optimal environment for preservation, significantly reducing food waste and saving you money.

Want A Food Storage Solution That's Both Powerful And Convenient?

LockNJar combines professional-grade vacuum sealing power with incredible ease of use. The one-touch operation requires no technical knowledge or complicated settings—simply place on any mason jar, press once, and the intelligent system handles everything. Its compact, cordless design stores easily in kitchen drawers and can be taken anywhere, making preservation possible wherever and whenever you need it.

Looking For A Versatile Preservation Tool For All Your Mason Jars?

LockNJar works flawlessly with all standard mason jar sizes and brands, from tiny 4-ounce jelly jars to half-gallon containers. This universal compatibility eliminates the need for multiple specialized tools and adapters. Whether you're preserving homemade jams, storing dry goods, meal prepping, or extending the life of leftovers, LockNJar's adaptable design handles every preservation task with equal efficiency.

WHISPER-QUIET TECHNOLOGY

Our advanced noise reduction system operates at under 60dB—quieter than normal conversation—allowing you to preserve foods any time of day without disrupting your household or disturbing sleeping family members.

UNIVERSAL COMPATIBILITY

Designed to work seamlessly with all standard mason jar sizes and brands, LockNJar eliminates compatibility concerns and provides a single solution for all your preservation needs from small jelly jars to large storage containers.

LONG-LASTING BATTERY PERFORMANCE

Equipped with a high-capacity rechargeable battery, LockNJar can seal up to 200 jars on a single charge, providing reliable performance for extensive preservation sessions without the interruption of recharging.

LIGHTNING-FAST PRESERVATION

LockNJar completes the vacuum sealing process in just 6-8 seconds per jar, dramatically reducing the time spent on food preservation compared to traditional methods and allowing you to seal dozens of jars in minutes.

INTELLIGENT AUTO-STOP SYSTEM

Our smart pressure-sensing technology automatically detects when the optimal vacuum level has been reached, stopping the process to prevent over-vacuuming and ensuring consistent, perfect results every time regardless of user experience.

EXCEPTIONAL VALUE PRICING

LockNJar delivers professional-grade preservation capabilities at a fraction of the cost of industrial vacuum sealers, offering substantial long-term savings through reduced food waste while remaining accessible to all household budgets.