Turn "What size do I need?" questions into online rentals.
SpaceStacker shows each customer their own belongings inside the right unit, in realistic 3D, on your website. More of the traffic you already pay for becomes online rentals.
Automating “What size do I need?” is hard.
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Customers need to share what they plan to store.
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Their ideal size has to be found across your unit inventory.
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They need to trust it’s the right amount of space.
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And all of it has to fit smoothly into your booking flow.
SpaceStacker does it all, in one experience customers enjoy. So you never have to worry about size inquiries again.
Personalized to each customer.
Or item by item. Each can be resized or rotated. For customers who want to be sure.
Lockers, non-standard sizes and parking units get recommended if they are the best match.
So realistic, customers rent without calling.
3D for a level of realism customers instantly trust, that no size guide offers.
Intelligent real-world stacking.
Your customers identify their needs by themselves. Directly on your website. Right inside your booking flow.
260,000+
automated unit size recommendations
20,000+
assisted reservations
86%
of surveyed customers say SpaceStacker helped complete their booking After completing a reservation, customers who use SpaceStacker are asked whether the tool helped them during their reservation process. Between May and August 2026, 636 of 737 respondents said it did.
How it works
Where it goes on your website.
Size guide page
Size guide page
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
The Planner's call-to-action button sends customers to your booking flow
You choose where the button redirects customers, usually your locations page. The redirect URL can carry the size to filter the units displayed on the next page.
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
Size guide
The Planner's call-to-action button sends customers to your booking flow
You choose where the button redirects customers, usually your locations page. The redirect URL can carry the size to filter the units displayed on the next page.
yourwebsite.com/location?size=10x30
Smart popup button
Floating button that opens the Planner from any page
Sizing help stays one click away for the customers who need it.
As customers browse your website, the button shows their ideal size
It reminds them which size they need, so when they reach the page listing your units, they know which one to book.
Floating button that opens the Planner from any page
Sizing help stays one click away for the customers who need it.
As customers browse your website, the button shows their ideal size
It reminds them which size they need, so when they reach the page listing your units, they know which one to book.
Unit size cards
Thumbnail of every size you rent, showing what fits
No two sizes share the same picture. Your logo is on the boxes.
We detect new sizes on your website and render them
You never have to worry about visuals again. Any size you decide to promote will have its own thumbnail.
One click opens the full 3D view of the unit
Opens over your page. Customers can personalize the view with what they are actually storing.
Thumbnail of every size you rent, showing what fits
No two sizes share the same picture. Your logo is on the boxes.
5' × 5' $
10' × 10' $
10' × 15' $
We detect new sizes on your website and render them
You never have to worry about visuals again. Any size you decide to promote will have its own thumbnail.
5' × 10' $
One click opens the full 3D view of the unit
Opens over your page. Customers can personalize the view with what they are actually storing.
5' × 10' $
Scroll to continue · Use arrows to see other placements
How it works
Where it goes on your website.
Size guide page
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
Size guide
The Planner's call-to-action button sends customers to your booking flow
You choose where the button redirects customers, usually your locations page. The redirect URL can carry the size to filter the units displayed on the next page.
yourwebsite.com/location?size=10x30
Floating button that opens the Planner from any page
Sizing help stays one click away for the customers who need it.
As customers browse your website, the button shows their ideal size
It reminds them which size they need, so when they reach the page listing your units, they know which one to book.
Thumbnail of every size you rent, showing what fits
No two sizes share the same picture. Your logo is on the boxes.
5' × 5' $
10' × 10' $
10' × 15' $
We detect new sizes on your website and render them
You never have to worry about visuals again. Any size you decide to promote will have its own thumbnail.
5' × 10' $
One click opens the full 3D view of the unit
Opens over your page. Customers can personalize the view with what they are actually storing.
5' × 10' $
Size guide page
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
The Planner's call-to-action button sends customers to your booking flow
You choose where the button redirects customers, usually your locations page. The redirect URL can carry the size to filter the units displayed on the next page.
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
Size guide
The Planner's call-to-action button sends customers to your booking flow
You choose where the button redirects customers, usually your locations page. The redirect URL can carry the size to filter the units displayed on the next page.
yourwebsite.com/location?size=10x30
Smart popup button
Floating button that opens the Planner from any page
Sizing help stays one click away for the customers who need it.
As customers browse your website, the button shows their ideal size
It reminds them which size they need, so when they reach the page listing your units, they know which one to book.
Floating button that opens the Planner from any page
Sizing help stays one click away for the customers who need it.
As customers browse your website, the button shows their ideal size
It reminds them which size they need, so when they reach the page listing your units, they know which one to book.
Unit size cards
Thumbnail of every size you rent, showing what fits
No two sizes share the same picture. Your logo is on the boxes.
We detect new sizes on your website and render them
You never have to worry about visuals again. Any size you decide to promote will have its own thumbnail.
One click opens the full 3D view of the unit
Opens over your page. Customers can personalize the view with what they are actually storing.
Thumbnail of every size you rent, showing what fits
No two sizes share the same picture. Your logo is on the boxes.
5' × 5' $
10' × 10' $
10' × 15' $
We detect new sizes on your website and render them
You never have to worry about visuals again. Any size you decide to promote will have its own thumbnail.
5' × 10' $
One click opens the full 3D view of the unit
Opens over your page. Customers can personalize the view with what they are actually storing.
5' × 10' $
How it works
Where it goes on your website.
01 Size guide page
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
02 Smart popup button
Floating button that opens the Planner from any page
Sizing help stays one click away for the customers who need it.
03 Unit size cards
Thumbnail of every size you rent, showing what fits
No two sizes share the same picture. Your logo is on the boxes.
How it works
Where it goes on your website.
Size guide page
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
Size guide
The Planner's call-to-action button sends customers to your booking flow
You choose where the button redirects customers, usually your locations page. The redirect URL can carry the size to filter the units displayed on the next page.
yourwebsite.com/location?size=10x30
Smart popup button
Floating button that opens the Planner from any page
Sizing help stays one click away for the customers who need it.
As customers browse your website, the button shows their ideal size
It reminds them which size they need, so when they reach the page listing your units, they know which one to book.
Unit size cards
Thumbnail of every size you rent, showing what fits
No two sizes share the same picture. Your logo is on the boxes.
5' × 5' $
10' × 10' $
10' × 15' $
We detect new sizes on your website and render them
You never have to worry about visuals again. Any size you decide to promote will have its own thumbnail.
5' × 10' $
One click opens the full 3D view of the unit
Opens over your page. Customers can personalize the view with what they are actually storing.
5' × 10' $
How it works
Where it goes on your website.
01 Size guide page
Size guide page
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
The Planner's call-to-action button sends customers to your booking flow
You choose where the button redirects customers, usually your locations page. The redirect URL can carry the size to filter the units displayed on the next page.
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
Size guide
The Planner's call-to-action button sends customers to your booking flow
You choose where the button redirects customers, usually your locations page. The redirect URL can carry the size to filter the units displayed on the next page.
yourwebsite.com/location?size=10x30
Smart popup button
Floating button that opens the Planner from any page
Sizing help stays one click away for the customers who need it.
As customers browse your website, the button shows their ideal size
It reminds them which size they need, so when they reach the page listing your units, they know which one to book.
Floating button that opens the Planner from any page
Sizing help stays one click away for the customers who need it.
As customers browse your website, the button shows their ideal size
It reminds them which size they need, so when they reach the page listing your units, they know which one to book.
Unit size cards
Thumbnail of every size you rent, showing what fits
No two sizes share the same picture. Your logo is on the boxes.
We detect new sizes on your website and render them
You never have to worry about visuals again. Any size you decide to promote will have its own thumbnail.
One click opens the full 3D view of the unit
Opens over your page. Customers can personalize the view with what they are actually storing.
Thumbnail of every size you rent, showing what fits
No two sizes share the same picture. Your logo is on the boxes.
5' × 5' $
10' × 10' $
10' × 15' $
We detect new sizes on your website and render them
You never have to worry about visuals again. Any size you decide to promote will have its own thumbnail.
5' × 10' $
One click opens the full 3D view of the unit
Opens over your page. Customers can personalize the view with what they are actually storing.
5' × 10' $
AI-powered 3D storage planner for your size guide page
Customers pick their items or home size, and our AI recommends their ideal size from your unit inventory. Shown in realistic 3D.
01 Size guide page
02 Smart popup button
03 Unit size cards
Customer stories
What operators tell us
Montréal Mini-Storage Group • 24 Facilities • Canada
100s of customers rented after planning their unit in 3D
"We've now generated hundreds of leads through SpaceStacker, and more importantly, hundreds of customers who have actually rented with us after going through that user experience."
Harry Court, Marketing Director, Montréal Mini-Storage Group
Try it yourself
This is our demo. On your website, it is your brand, your logo, your units.
If you made it this far, we should talk.
Thirty minutes. A live walkthrough on your actual website.