Smudge

Smudge.ai is a Chrome extension that allows users to interact with advanced AI models directly in their browser, without any need for account creation or setup. It provides both free and subscription tiers, enabling users to execute commands and custom prompts using powerful GPT-5.4 and GPT-5.5 models. The tool is ideal for anyone seeking a quick, privacy-friendly way to leverage AI for writing, research, and productivity tasks from any website.