AI & ML Tools
AI Cost Calculator
Estimate API costs across OpenAI, Anthropic, and other LLM providers. Compare pricing instantly.
AI Config Generator
Generate config files for popular AI/ML frameworks. YAML, JSON, and more — ready to paste.
Prompt Cheatsheet
Battle-tested prompt engineering patterns. Copy-paste templates for better LLM outputs.
Stack Recommender
Describe your project and get AI-powered tech stack recommendations with pros and cons.
Text & Data
JSON Formatter
Format, validate, and minify JSON. Tree view, error highlighting, and easy copy.
Regex Tester
Test regular expressions with real-time matching, capture groups, and common pattern library.
Markdown Editor
Live preview markdown editor with GitHub-flavored syntax, export to HTML, and instant sharing.
Base64 Encoder
Encode and decode Base64 strings. Supports text, files, and images with instant preview.
URL Encoder
Encode and decode URLs and query strings. Handle special characters and Unicode properly.
CSS & Design
Code Reference
Converters
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