Tool
Practice braille cells
Drill letters, numbers, punctuation and contractions until you recognise cells whole instead of counting dots. The wrong answers are deliberately the cells you would actually confuse, and the drill remembers which ones keep catching you.
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What the drill covers
Learning braille does not stop at 26 letters, and the alphabet is not where most readers stall. Four pools are drilled separately so you can work on whichever one is currently costing you, and each is the same table the reference page publishes.
| Mode | Cells | Reference page |
|---|---|---|
| Letters | 26 cells | the alphabet |
| Numbers | 10 cells | the digits |
| Punctuation | 8 cells | single-cell marks |
| Contractions | 19 cells | the groupsigns |
Both directions are available in every mode. Cell to name is the reading skill — you see a cell and say what it is. Name to cell is the writing skill, and it is the harder one, because recognising a shape you are shown is easier than producing one from memory. Alternate between them rather than picking a favourite.
The wrong answers are the ones you would actually get wrong
A drill that offers three random wrong answers teaches nothing, because the right answer is obvious without reading it properly. Every cell in the braille alphabet is some combination of the same six dots, so the confusion is never between distant cells — it is between cells that differ by a single dot.
So the distractors here are drawn from the one-dot neighbours first. When the drill shows you E (dots 1 and 5), the alternatives it offers are drawn from A, D, H, O — each of which is one raised dot away. Getting that right means you read the cell. Guessing does not survive it.
Each letter page lists the same neighbour set for the letter it covers, so you can see the whole confusable group before you drill it.
How to practise so it sticks
Do not drill the alphabet in order. Alphabetical order teaches you to recite, not to recognise, and the letters you actually confuse are not adjacent — d and f are mirror images, h and j are mirror images, m and u differ by which row carries the extra dot.
Drill contrasting pairs instead. That is what this tool does for you, and it is why the letter pages list one-dot neighbours at all: those are the cells you will misread.
Short and frequent beats long and rare. Ten minutes a day will move you further than an hour on Sunday, because the thing you are building is recall speed, and recall speed responds to how often you retrieve rather than how long you sit.
If you can see, cover the screen or read in the dark. Reading dots with your eyes while believing you are reading by touch is the standard trap for sighted learners, and it produces someone who can decode a chart but not a page.
More on that last point in how to read braille by touch.
What the drill remembers
Every cell sits in one of five boxes. A cell you get wrong drops to box one and comes back constantly; a cell you get right moves up a box and comes back less often. Reach box five and it counts as mastered, which is the number shown under the drill. The effect is that your time goes to the handful of cells you are actually failing rather than being spread evenly over cells you already know.
Progress is kept in your browser's local storage. There is no account and nothing is sent anywhere — see the privacy page. That also means it does not follow you to another device, and a private window starts fresh every time. The Reset progress button clears it.
When the drill starts feeling easy, the next step is reading connected text rather than isolated cells: try the decoder on a passage, or work through the phrase library where the same cells appear inside real words.