The 639 Best AI Plugins & Extensions Tools for Your Problem in 2026

ChatGPT, Snack Prompt, Claude Check Files, Your Own AI, ChatGPT Sugar, Unibase AI Memory, ChagtGPT Exporter, Save ChatGPT to Notion, FancyGPT, Chat酱·ChatGPT浏览器插件 are strong paid/free AI Plugins & Extensions options for common problems.