TexTab is a productivity application designed for macOS that empowers users to convert AI-driven tasks into instant keyboard shortcuts, facilitating efficient text processing and automation without the need to switch between different applications. It functions at the system level, allowing users to highlight text in any macOS program, such as web browsers, email clients, coding environments, and documents, and execute AI actions with just one keystroke, streamlining tasks like translation, summarization, rewriting, or formalization into easily accessible commands. Users have the flexibility to create an unlimited number of customized AI actions, each with its distinct shortcut, and can connect to various AI providers—including OpenAI, Anthropic, Groq, Perplexity, or OpenRouter—using their personal API keys, ensuring that their data remains confidential and expenses are managed effectively; the API requests are sent directly to the provider without routing through TexTab’s servers. Additionally, the application boasts features such as a one-click AI prompt enhancer, built-in plugins like a pop-up AI chat, a QR code generator, an image converter, and a color picker, all designed to enhance user experience and productivity. This comprehensive suite of tools makes TexTab an invaluable asset for anyone looking to leverage AI capabilities seamlessly within their workflow.