Lightweight character recognition in the browser.
A character recognizer for your own page — 13 KB at 96%, or 98.5% right on capital letters at 45 KB — plus reaction and rating widgets your visitors draw, and short codes people write by hand. Everything is read in the browser; the two small servers are yours to run.
Character recognition
Capital letters A–Z. Every option reads the same strokes.
| option | accuracy | ms/char | zip size | top 2 | time |
|---|---|---|---|---|---|
| accurate ↓ | 98.5% | 0.24 ms | 45 KB | ||
| fast ↓ | 97.8% | 0.10 ms | 53 KB | ||
| small ↓ | 96.4% | 0.9 ms | 13 KB |
Games
Played entirely by hand on digitizer.fun, every letter read in the browser:
Handwritten autocomplete
One box: write each letter over the last, and the words your ink could be appear as you write — tap one to finish. One script tag, your own word list.
Try it → · In use: Border Quiz, Quizzes
Handwritten codes
Six-character codes people write by hand to open a page or join a room — from an alphabet with no lookalikes, so no O/0 or l/1 mix-ups.
The codes server → · In use: Emoji code for two, Free Dots online
Embed them
Reactions
Visitors draw a heart, a check or a star instead of clicking it — counted once per visitor. Drawings on the wall are re-checked by your server, and can wait for your review.
An example: votes here stay on this page.
Run your own → · In use: blog.triplelog.com
Ratings
One to five stars, drawn — side by side on a wide pad, or each on top of the last in a square one when space is tight — or tapped.
An example: ratings here stay on this page.