ProPrompt.ai is an AI-powered prompt optimizer and generator. Paste any prompt and get an optimized version instantly. Choose from multiple optimization modes, browse a library of 135+ professional prompts across 5 sectors, or generate prompts from scratch. Works with ChatGPT, Claude and Gemini. Users bring their own API key so no hidden costs. We also feature a daily AI News section with the latest updates from the most relevant sources in the industry.