Nanobrowser
Free, open source · Chrome extension · Open source
Open-source Chrome extension AI agent that browses for you. Keys stay in your browser and go only to their provider.
Works with:AnthropicOpenAIGoogle GeminiOpenRouter+4 more
Browser extensions with Bring-Your-Own-Key support bring AI directly into your browsing workflow — summarizing pages, writing emails, and enhancing web apps — all powered by your own API keys. No separate subscriptions, no data routed through third-party servers, just AI assistance wherever you browse.
7 tools, newest first
Free, open source · Chrome extension · Open source
Open-source Chrome extension AI agent that browses for you. Keys stay in your browser and go only to their provider.
Works with:AnthropicOpenAIGoogle GeminiOpenRouter+4 more
Free Lite plan; paid from $3/month · Web
AI add-on for Google Sheets, Docs, and Slides that lets you use 100+ AI models with your own API keys. Fill thousands of rows, generate slides, and automate tasks without AI formulas.
Works with:OpenAIAnthropicGoogle GeminiOpenRouter+1 more
Free · Chrome extension
Free browser extension that allows users to run custom ChatGPT prompts on any selected text, enhancing tasks like grammar correction, translation, summarization, and explanation.
Works with:OpenAI