AI Tools (10)
Plan, price and polish your work with large language models. Estimate tokens and context usage, compare API pricing across providers, and write sharper prompts.
Prompt Library
Curated AI prompt templates plus a role-task-context prompt generator.
AI Token Counter
Estimate GPT, Claude, Gemini, and Llama token counts and context window usage for any text.
AI Cost Calculator
Compare LLM API costs across GPT-4o, Claude, Gemini, Llama and more per call and at scale.
AI Prompt Optimizer
Turn a rough idea into a structured role-task-context-format-constraints prompt for any LLM.
System Prompt Builder
Craft production-ready system prompts for chatbots and agents with rules, tone, and tool schemas.
AI Image Prompt Builder
Assemble structured prompts for Midjourney, DALL·E, Stable Diffusion, and Flux with negative prompts.
Prompt Template Filler
Detect {{variables}} in a prompt template and fill them from an auto-generated form.
Chat Messages JSON
Build the messages[] payload for OpenAI, Anthropic, and Gemini chat APIs with a visual editor.
LLM Model Comparison
Compare context windows, pricing, modalities and strengths of leading LLMs side-by-side.
Stopword Remover
Strip English stopwords from text to shrink prompts and cut LLM token costs.