01 · Data
Default invoice
Takes an invoice object and works out totals, currency and date.
- en-US
- USD
- Sound
- 3.2 s
Thermal series · Web Component
An invoice, printed live
The paper comes out of the slot at a steady pace, tears off at the end and gets a cut line. A dependency-free Web Component for invoices, kitchen tickets, coupons or boarding passes: it works in Astro, React, Vue or plain HTML.
02 · Slot
Kitchen ticket
Your own markup as children: it replaces the receipt and keeps the animation.
- Custom HTML
- Custom labels
- 58 mm
- 2.2 s
Table 12
- 2 Tacos al pastorno onion
- 1 Red pozole
- 3 Hibiscus water
⚑ Allergy: peanuts
03 · Theme & locale
Café receipt
Different locale and currency, tax and discount, light theme and no barcode.
- en-GB
- GBP
- Muted
- 4.5 s
04 · Live
Edit the JSON
The whole ticket comes from the JSON: logo, title, date, currency, lines, footer and code. Try "barcodeFormat": "qr". Print once and keep editing: the paper updates on the fly.
Valid JSON
05 · Backend
Data from an API
The backend answers in its own format. The page maps it to InvoiceData, assigns it to invoice and calls print(). With “Custom template”, the same data is drawn by a different template.
Pick a sale to request it from the backend.
No data
06 · Slot
Discount coupon
A ticket that is not an invoice: custom design in the slot and a QR code to redeem it.
- Custom HTML
- QR
- 2.6 s
GREEN MARKET
Discount coupon
−20%
on fruit and vegetables
CodeGREEN20
- Valid
- Oct 21 – Nov 3, 2026
- Min. spend
- $15
- Uses
- 1 per customer
Cannot be combined with other offers.
07 · Slot
Boarding pass
Route, gate and seat in large type, and an Aztec code with the pass data in BCBP format.
- Custom HTML
- Aztec
- 80 mm
- 3.8 s
NUBE AIRLINES
Boarding pass
MEXMexico City
CUNCancún
- Passenger
- LÓPEZ / ANA
- Flight
- NB 512
- Date
- 24 OCT
- Boarding
- 07:25
- Gate
- B12
- Seat
- 14A
- Group
- 3
Booking ABC123 · Sequence 042
The gate closes 15 min before departure.
08 · Hardware
A real thermal printer
The ticket from the case 04 editor, turned into ESC/POS with toEscPos() from printer-invoice/escpos. Connect a printer over USB or serial and it comes out on real paper.
No printer connected