Electric Jar Sealer vs FoodSaver Jar Attachment
Vacuum-sealing mason jars keeps coffee, nuts and dry goods fresh, and there are two ways to do it: a purpose-built electric jar sealer, or an attachment that borrows your existing vacuum sealer's pump. The best pick depends on what you already own.
How they differ
A standalone electric jar sealer is a small device that seals a jar on its own, quick, self-contained, and ideal if you do not have a vacuum sealer. A FoodSaver-style jar attachment is a lid-and-hose accessory that connects to a compatible vacuum sealer's accessory port and uses that machine's pump, so it is cheaper if you already own a sealer, but it is a two-part setup and only works with supported machines.
| Electric jar sealer | Jar attachment | |
|---|---|---|
| Standalone | Yes | Needs a compatible sealer |
| Cost (if you own a sealer) | Higher (buys a device) | Lower (accessory only) |
| Speed / convenience | Quick, one device | Uses the sealer's cycle |
| Compatibility | Universal (its own) | Brand/model specific |
Who should choose a standalone jar sealer
Choose a standalone electric jar sealer if you do not own a vacuum sealer, or you want a quick, dedicated tool just for jars, no hoses, no setup. It is the simplest way to start jar-sealing coffee and dry goods; see the best jar sealer for coffee.
Who should choose an attachment
Choose a jar attachment if you already own a compatible sealer, it is the cheapest route, since it reuses the pump you have. Just confirm your machine has the right accessory port before buying; see the best mason jar vacuum sealers.
The verdict
No vacuum sealer, or want a quick dedicated device? A standalone electric jar sealer. Already own a compatible sealer? A jar attachment saves money. See what jars are great for in what to store in vacuum-sealed jars.
Frequently asked questions
Do I need a separate jar sealer or just an attachment?
If you already own a compatible vacuum sealer, a jar attachment is the cheaper add-on, it uses the machine's pump. If you do not, a standalone electric jar sealer is a complete, quick option in one device.
Are jar attachments as good as standalone jar sealers?
They seal jars well using your sealer's pump; standalone units are quicker and self-contained. Both keep dry goods fresh, so it comes down to whether you already have a sealer.
Will any attachment fit my vacuum sealer?
Attachments are designed for specific sealer brands and their accessory ports. Check compatibility with your machine before buying, not every sealer supports a jar attachment.