TexTab
macOS app for turning any AI prompt into a custom keyboard shortcut that can process selected text in any application.
What it does
TexTab is a macOS utility, currently in beta, that lets users create unlimited custom AI actions bound to keyboard shortcuts. Selected text in any app can be sent to a chosen AI provider using the user's own API key, with prebuilt actions like grammar fixing, rephrasing, and translation.
Core features
Custom keyboard shortcuts for AI actions
Works across any macOS app on selected text
Support for OpenAI, Anthropic, Groq, Perplexity, and OpenRouter
Bring-your-own API key, no subscription
One-click prompt enhancement
Native plugins for chat, QR codes, image conversion, and color picking
Prebuilt actions like Fix Grammar, Rephrase, and Translate
Best for
→Fixing grammar or rephrasing text instantly in any app
→Translating selected text without switching apps
→Running custom AI prompts via a shortcut while writing emails or code
→Chatting with an AI in a popup without leaving the current app