Interactive fit checker
Keycap Compatibility & Kit Coverage Checker
Tell it your keyboard's layout, bottom-row spec and the kits included in a keycap set — it returns a per-key coverage verdict (covered / missing / wrong size), the exact extra kit you need, and a color-coded mini keyboard map. Built on standard Cherry-profile community kit conventions (GMK / signature-plastics style).
Pick your layout and bottom row, then either choose a known set or tick the kits the set includes. You get a per-requirement verdict, the exact missing kit, and a color-coded map. Reviewed May 2026.
Standard kits reference
- Base kit
- Standard ANSI base: alphas, F-row, ANSI Enter/Backspace, 2.25u L-Shift, 2.75u R-Shift (and usually a 1.75u R-Shift), arrows and a standard nav column. The minimum any set ships.
- Spacebar kit
- Extra spacebar lengths (often 7u, 6u, 6.25u, splits) plus the 1.5u mods that pair with a 7u spacebar.
- ISO kit
- Tall ISO Enter, short 1.25u ISO Left Shift + extra key, and the ISO backslash/hash key.
- 40s / extras kit
- 1u modifiers for 40%/ortho/HHKB, split Backspace, stepped Caps and other non-standard mods.
- Numpad kit
- Numpad legends incl. tall +/Enter and a 2u 0. Needed for full-size and 96%/1800.
- Novelties kit
- Decorative accent keys — never required for coverage, purely aesthetic.
- Ergo / uniform-profile kit
- Uniform-profile or ergo-specific extras for columnar split boards.
- Split-spacebar extras
- Split-spacebar caps (e.g. 2.25u+1.25u+2.75u). Rare; often a custom add-on.