Sell by Weight & Length
Sell by weight
Decimal quantities in 15 units, preset buttons, a live line total and exact decimal stock, on OpenCart 4 and 3.
$69
For OpenCart 4.0.2.0 – 4.1.0.4 and 3.0.x
OpenCart extensions that stay out of the core.
Extensions and storefront themes for OpenCart 4 and OpenCart 3, with both packages in one licence. Events only, no OCMOD patches, a live demo of each theme, and one price per store with no subscription.
- 23extensions and themes
- 4.x · 3.0.xOpenCart 4 and 3
- 12months of updates included
- 30day refund on a first licence
12 extensions · 11 themesOpenCart 4.0.2.0 – 4.1.0.4 · 3.0.xOpenCart
Every extension, explained
One page per product: the problem it solves, the options, how it works and real screenshots.
Make an Offer
Make an offer
Shoppers propose a price; you accept, counter or decline, and the agreed price is applied once in the cart.
$39
Advanced Promotions
Advanced promotions
Buy X get Y, tiers, bundles, free gifts and scheduled campaigns with badges and cart nudges.
$69
Pantry: Grocery Theme
Grocery theme
A grocery theme with aisle bubbles, stepper cards with unit prices, recipe add-all and a phone basket bar.
$59
Abandoned Cart Recovery
Abandoned cart recovery
Up to three reminders, single-use coupons, a restore link and a recovered-revenue dashboard.
$49
Bulk Product Editor
Bulk product editor
A spreadsheet grid for prices, specials, stock and options, with bulk actions, preview and undo.
$39
Product Personalizer
Product personalizer
Names, dates and monograms previewed on the product photo, with fees, a word filter and a production sheet.
$59
Atelier: Fashion Theme
Fashion theme
A lookbook-style fashion theme with quick-add sizes, colourway swatches, shop the look and four presets.
$59
Hearth: Home & Furniture Theme
Home & furniture theme
A photo-led theme for furniture and homeware, with a room hero, shop by room tiles, a delivery panel and four presets.
$59
Volt: Electronics Superstore Theme
Electronics theme
A deal-first theme for gadget stores, with a countdown deal stage, spec meter cards and a compare tray.
$59
Gloss: Beauty & Cosmetics Theme
Beauty theme
A brand-led theme for multi-brand beauty stores, with a Brands A-Z panel, a shade strip and unit prices.
$59
Kite: Toys & Baby Store Theme
Toys & baby theme
A parent-friendly theme for toy and baby stores, with shop by age, a gift finder and safety shields.
$59
Axle: Auto Parts Theme
Auto parts theme
A classic, conversion-first theme for parts stores, with a garage finder, fitment badges, a fit check and a Complete the job builder.
$59
OpenCart
Storefront themes
Complete storefront looks with presets and demo content. Prices are one-time, in USD, per store.
Pantry: Grocery Theme
A grocery theme with aisle bubbles, stepper cards with unit prices, recipe add-all and a phone basket bar.
$59 one-time
Atelier: Fashion Theme
A lookbook-style fashion theme with quick-add sizes, colourway swatches, shop the look and four presets.
$59 one-time
Hearth: Home & Furniture Theme
A photo-led theme for furniture and homeware, with a room hero, shop by room tiles, a delivery panel and four presets.
$59 one-time
Volt: Electronics Superstore Theme
A deal-first theme for gadget stores, with a countdown deal stage, spec meter cards and a compare tray.
$59 one-time
Gloss: Beauty & Cosmetics Theme
A brand-led theme for multi-brand beauty stores, with a Brands A-Z panel, a shade strip and unit prices.
$59 one-time
Kite: Toys & Baby Store Theme
A parent-friendly theme for toy and baby stores, with shop by age, a gift finder and safety shields.
$59 one-time
Axle: Auto Parts Theme
A classic, conversion-first theme for parts stores, with a garage finder, fitment badges, a fit check and a Complete the job builder.
$59 one-time
OpenCart
Store kits & packs
A theme or a set of extensions at one price, with one update and support period for everything. One-time prices in USD, per store.
Save 35%
Food Store Kit for OpenCart
Includes: Pantry: Grocery Theme + Sell by Weight & Length + Bulk Product Editor
Save 33%
Fashion Store Kit for OpenCart
Includes: Atelier: Fashion Theme + Advanced Promotions + Abandoned Cart Recovery
Save 24%
Hearth Store Kit for OpenCart
Includes: Hearth: Home & Furniture Theme + Product Personalizer + Make an Offer
Save 26%
Volt Store Kit for OpenCart
Includes: Volt: Electronics Superstore Theme + Make an Offer + Abandoned Cart Recovery
Save 33%
Gloss Store Kit for OpenCart
Includes: Gloss: Beauty & Cosmetics Theme + Abandoned Cart Recovery + Advanced Promotions
Save 29%
Kite Store Kit for OpenCart
Includes: Kite: Toys & Baby Store Theme + Product Personalizer + Abandoned Cart Recovery
Save 28%
Axle Store Kit for OpenCart
Includes: Axle: Auto Parts Theme + Make an Offer + Bulk Product Editor
Save 37%
Sell More Pack for OpenCart
Includes: Make an Offer + Advanced Promotions + Abandoned Cart Recovery
OpenCart
All OpenCart products at a glance
Prices are one-time, in USD, per OpenCart store. Each product page lists its tested versions.
Why OpenCart store owners choose Kavio Labs
OpenCart 4 and 3 in one licence
Each licence includes the package for OpenCart 4 and the package for OpenCart 3.
No core file edits
OpenCart events and standard order totals only, no OCMOD patches, so upgrades and other extensions keep working.
See it before you buy
Every extension page shows real screenshots and the full documentation, and every order has a 30-day refund.
Yours to keep
Pay once per store. 12 months of updates and support are included; after that the extension keeps working, and renewal is optional at 50%.
Guides
OpenCart guides
Guide
Selling by weight compared
How five platforms handle 1.25 kg or 2.5 m, the usual workarounds and what to check before you choose.
Read the guideGuide
Make-an-offer settings
Hidden minimums, auto-accept and auto-decline thresholds, deadlines and limits that keep offers profitable.
Read the guideFAQ
Questions and answers
Which OpenCart versions are supported?
OpenCart 4.0.2.0 up to 4.1.0.4 and OpenCart 3.0.x. Each product page lists the exact range it is tested on.
Is there a subscription?
No. You pay once per OpenCart store. 12 months of updates and support are included, and you can choose 24 or 36 months at checkout.
I run two stores. Do I need two licences?
Yes, one licence per store. At checkout you can add a licence for a second store at 40% off.
What does the licence check send?
The licence key, the extension and its version and your store’s host names. It runs in the admin panel, once a day; the storefront never contacts the licence server.
Can I get a refund?
Yes. Ask within 30 days of your first purchase of an extension, from your account or by ticket.
Find the extension your store needs
Product pages on the store have screenshots, the full documentation and the changelog.
Kavio Labs
Also by Kavio Labs
The same standards, the same support desk and one licence portal on every platform we build for.