AI Tools
Token counters, prompt formatters, schema builders, and AI companion utilities. All tools run locally in your browser.
AI Image Prompt Builder - Generate Prompts for Midjourney, DALL-E, Stable Diffusion & More
Free AI image prompt builder for Midjourney, DALL-E, Stable Diffusion, FLUX, and more. Style, lighting, camera controls.
AI Output Diff - Compare AI Responses
Free AI output comparison tool. Compare two AI responses side by side with diff highlighting and similarity scoring.
AI Prompt Formatter - Structure Your Prompts
Free AI prompt formatter. Convert raw text into structured, token-efficient markdown prompts for GPT-5.4, Claude 4.6, Gemini, and other LLMs.
AI Token Counter & Cost Calculator
Free AI token counter. Estimate tokens and costs for GPT-5.4, Claude 4.6, Gemini 2.5, DeepSeek, Grok, and Mistral models.
JSON Schema Builder - Visual Schema Generator
Free visual JSON Schema builder. Create JSON Schema draft-07 with a point-and-click interface. Perfect for AI structured outputs.