Electronic Catalog Maker See how it works
Select a marker to open a close-up of that piece — its details and Buy are there. ⌂ takes you back to the room.
Select a number on a tile to see the product’s details and Buy. The list at the top switches between groups. Have photos and a spreadsheet? Grid Composer builds a grid like this for you →
Demo password: stool-2026. Type it on the lock screen below; the cover and title are visible without it.
Select a service to see what it is and how it goes — “Book” opens the booking calendar. ⌂ takes you back to the list.
Select a marker on the map to open that nail tech’s page — services, prices and “Book” are there. ⌂ takes you back to the map. Map Composer builds a map like this from your own points →
Select a marker or use the arrows to explore item details. Use Fit to see the whole image.
Open full demo Edit this example
Buy opens our demo store checkout, where every item costs $0.
“Book” opens a demo booking calendar — appointments made there are not real.
Build your own: add an image → mark the details with hotspots → save the catalog file and open it in Viewer.
Put it on your own site: the demo above is the embeddable widget itself — one <script> tag and one <ecm-viewer> line put it on your page. See it on a sample store site → · How to embed →
Ready for AI assistants experimental In a browser that supports WebMCP, an assistant can search the catalog, show you an item and fill the cart for you. How it works →
Watch it work: ChatGPT builds a reading corner (76 s, no sound)
Screen recording; waiting time is sped up. WebMCP is experimental and works only in some browsers and assistants.
Who it's for
Furniture and home goods
Shop the look: tap a piece in a room photo to open it with its details and a Buy button. Or lay out the whole range as a product grid. Open the demo → · Build a grid from your photos →
Parts and equipment
Exploded views linked to part numbers, descriptions and a Buy button — the number on the diagram matches the row in the table. Open the demo →
Paid and members-only catalogs
Sell a guide or a course, or share some catalogs with everyone and keep others for the people you give the password to. One password per file — no accounts, no server; anyone who has the password can open it. You create the protected copy in the Editor. Open the demo (password: stool-2026) →
Teaching and learning
Explorable diagrams for lessons and class projects — no student accounts, no cloud. See the schools page →
Gyms and fitness
Pick a muscle group, find the machine, see how to set it up and print a workout — no app, no account. Open the demo →
Services and booking
A photo list of your services: a client picks one, reads how it goes and taps “Book” — your booking calendar opens. Try the demo →
Local pros on a map
A map of your area with a marker for every pro: a client picks who is closer, sees services and prices and taps “Book”. Try the demo → · Build your own map →
Tests and self-check
Answer options sit on the picture — tap one and it turns green or red, with a running score. Try the demo →
What a catalog can be
- One picture only
- From a list
- From a home picture
- One item
- Photo with hotspots
- Exploded view
- Tile grid
- Map with points
- Table
- Card
- Buy
- Learn more
- Exercise
- Book
- Answer
- No action
Examples
Live demos: one pick from levels 1, 2 and 4 (every catalog has both the table and the card).
- Product grid++
- Auto parts++
- Furniture++
- Living room++
- Cell biology++
- Fitness++
- Beauty services++
- Nail techs on a map++
- Quiz++
with the plus, picks collect in a list (cart, collection, workout, picks); without it the action happens right away. It is a setting of the catalog.
The apps
Open the full map ↗Built around your catalog files
- Free, no subscription The apps are free and open source (MIT). No accounts, no plans.
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Your catalog is one file
Images, hotspots and data live together in a single
.ecatmfile on your device. It goes nowhere unless you share it. - Photos and diagrams Put hotspots on any image — a room photo, a parts diagram, an anatomy chart — and link images together: tap the sofa in the room to open its close-up.
- Links to your own store Point items at any online store you already use. There's no marketplace or checkout of ours in between.
- Works offline after you first open it After you first open the apps on a computer, tablet or phone, they are cached in your browser and keep working without a connection.
- Live editing and catalog sharing, only if you want them Two optional apps you run yourself: the Collaboration Server for live editing together, and the Catalog Server for sharing a folder of catalogs on your network or the internet. Everything else works without them.