Bigram Layout Analyzer

Edit a split layout and watch which of the 120 most common English letter-pairs land on the same finger — the pairs that will always fight you until you fix the layout or drill them.

Layout qwerty

Click a key to edit — then type a letter, or change its finger.

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Layout Analysis (English Bigrams)
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Worst same-finger pairs

Hover a bigram to light up its two keys on the board. Fix a high-frequency SFB by moving a letter; drill the ones that are slow but not flagged.

Practice

Typed: 0 Accuracy: 100% Avg: —
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Type the bigram shown above. Press Esc to exit.

Record Layout

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Press the highlighted key on your keyboard

Backspace undo last  ·  Space empty (assign later)  ·  Esc cancel