LetraTag label printer

A single-page web app for printing labels on a DYMO LetraTag LT-200B over Bluetooth, straight from the browser. No app, no install, no server.

Open it: https://bartoszbielawski.github.io/letratag/

Works in Chrome or Edge on macOS, Windows, Linux and Android. Safari and Firefox (and therefore iPhones) don't support Web Bluetooth.

Features

• Any font your computer has, plus a set of web fonts
• Symbols and emoji anywhere in the text (printed as silhouettes), with a picker and recent row
• Image files, dithered or black & white
• Code 128 and EAN-13 barcodes
• Date placeholders: {date}, {date+7}, {date+2w}, {date+1m}, {time}
• Fixed label length with left/center/right alignment
• Vertical labels with stacked upright letters
• Mirror mode for stickers on the inside of glass
• White on black, frame, copies
• Real-size preview with a ruler (calibrate once with a bank card)
• Remembers your last printed labels

Using it

1. Open the page in Chrome or Edge and switch the printer on.
2. Click Connect printer and pick the LetraTag from the list.
3. Type your label and click Print.

To run it locally instead, Chrome needs the page served from localhost:

python3 -m http.server 8000 --bind 127.0.0.1

Then open http://localhost:8000/.

Credits

The printer protocol comes from ysfchn/dymo-bluetooth by Yusuf Cihan, MIT License. Its license notice is included at the top of index.html.

Not affiliated with, endorsed or supported by DYMO. DYMO and LetraTag are trademarks of their respective owners.