Type freely.
Boomkey fixes it.
Wrong keyboard layout? Boomkey auto-corrects your text instantly. No more retyping.
or auto-correct as you type
Two modes. One goal.
Fix text automatically or on demand.
Auto Mode
You start typing in a chat, but the layout is wrong. Hit space — Boomkey fixes the word and you keep going.
Hotkey Mode
Already typed a whole phrase in the wrong layout? Select it and double-press Shift. Done.
Built for how you actually type
Instant Auto-Fix
Type a word, hit space — Boomkey corrects it instantly. Feels like nothing happened.
Double Shift
Select any text and press Shift twice. Works with words, sentences, or whole paragraphs.
Dynamic Layout Mapping
Reads your installed keyboard layouts from macOS automatically. No configuration needed.
Smart Detection
State machine distinguishes real typing from gaming, hotkeys, or holding keys. No false triggers.
Language Detection
Three-level detection: script analysis, bigram frequency, and dictionary lookup for accurate results.
Ukrainian First
Full Ukrainian support from day one with a dedicated 154K-word dictionary and proper і, ї, є, ґ handling.
Privacy by Design
Everything runs locally. No network requests, no analytics, no keylogging. App Store verified.
Clipboard Preserved
After hotkey correction, your original clipboard content is restored automatically.
Exception Lists
Exclude specific words (brands, abbreviations) or entire apps (terminals excluded by default).
Up and running in 30 seconds
Auto Mode
Install
Download from the Mac App Store. Grant Accessibility permission.
Type as usual
Boomkey watches in the background. No setup, no hotkeys to learn.
Hit space
Wrong layout? Fixed instantly. Right layout? Nothing happens. Keep typing.
Auto mode currently supports English, Ukrainian, and Russian.
Hotkey Mode
Notice the mistake
You typed a whole sentence in the wrong layout.
Select text
Use Cmd+A, Shift+arrows, or mouse. Any amount of text.
Shift + Shift
Press the same Shift key twice within 400ms. Text is converted instantly.
20 free corrections per day
Unlimited with Pro — one-time purchase, $9.99
Your keystrokes stay yours.
Always.
Boomkey processes everything locally. No internet connection required, no analytics, no telemetry. The typing buffer holds only the current word and is cleared after each correction. Your clipboard is automatically restored after hotkey corrections. Verified and sandboxed by Apple.
Stop retyping.
Start Boomkey.
20 free corrections per day. No account needed.