Professional-grade tools for AI developers and creators. Token counting, API cost calculation, prompt building, and more. Everything runs in your browser.
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Calculate tokens and estimate API costs for GPT-4, Claude 3, Llama, and other AI models before making expensive calls.
Plan your AI budget with precision. Compare pricing across OpenAI, Anthropic, and other providers to optimize spending.
Build professional system prompts with structured components. Perfect for creating consistent AI assistants and agents.
Complete Toolkit
Count tokens and estimate API costs for GPT-4, Claude, and more.
Compare AI API pricing and plan your budget across providers.
Build professional system prompts for AI assistants and agents.
Generate creative prompts for ChatGPT, Claude, and other AI models.
Count words, characters, sentences, and paragraphs instantly.
Format, beautify, minify, and validate JSON with syntax highlighting.
Generate strong, secure passwords with customizable complexity.
Convert text to uppercase, lowercase, title case, and more.
Generate placeholder text for designs, mockups, and prototypes.
Encode or decode URLs and URI components for web development.
Encode text to Base64 or decode Base64 strings back to text.
Pick colors and convert between HEX, RGB, and HSL formats.
Write Markdown and see it rendered in real-time. Export to HTML.
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes securely.
Curated list of the best AI tools for productivity and creativity.
Analyze and improve your prompts for better AI responses.
100+ free AI prompt templates ready to copy and use.
Discover AI applications for your industry and role.
Build multi-step AI workflows by chaining prompts together.
Compare pricing across 40+ AI models side by side.
Find the best AI model for your specific use case.
Grade AI outputs for quality, clarity, and usefulness.
Convert prompts between ChatGPT, Claude, Gemini & more.
Generate cold emails that actually get replies.
Score your headlines for click-worthy potential.
Generate unique brand and company names with AI.
Generate engaging posts for Twitter, LinkedIn, Instagram & more.
Create high-converting ads for Google, Facebook & LinkedIn.
Create compelling value propositions that convert.
Test & score email subject lines for better open rates.
Generate complete landing page copy that converts.
Generate viral hashtags for Instagram, TikTok & Twitter.
Create detailed buyer personas for marketing campaigns.
Generate FAQ sections for your website or product.
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Get 375+ professionally crafted prompts for ChatGPT, Claude, and more. Stop staring at blank screens and start getting results.
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