AsapGuide · Free Tools
The fastest free tools
for AI builders.
Browser-based. No signup. No data sent.
MCP Config Merger
Combine MCP server configs into one valid JSON — no manual editing required.
Open tool →LLM Token Counter
Estimate token usage for GPT-4o, Claude, and Gemini instantly.
Open tool →LLM API Cost Calculator
Compare pricing across OpenAI, Anthropic, Gemini, and DeepSeek.
JSON Formatter
Beautify, minify, and validate JSON instantly.
Open tool →HTML Viewer
Instantly preview your HTML, CSS, and JS in a live sandbox.
Open tool →Case Converter
Convert text to camelCase, snake_case, Title Case, and more.
Open tool →