rezarazm

Calculate and compare costs across GPT-4o, Claude, Gemini and other LLM models. Prices per 1M tokens.

Calculate OpenAI API costs before making calls. Supports GPT-4o, GPT-4.1, o3, o4-mini, GPT-5, and more.

Generate a GDPR-compliant privacy policy template with your company details filled in.

Generate professional HTML email signatures programmatically.

Starter template for WhatsApp Business API bots with Node.js

Generate QR codes as data URLs, terminal strings, or files. Powered by the qrcode library.