100+ Free Production Tools Suite
Developer & AI Tools
Free, privacy-focused online utilities for software engineers, fullstack developers, and AI prompt designers. No signup or download required.
All Categories
Formatters & Minifiers
Encoders & Decoders
Security & Cryptography
Text & String Tools
Generators
Converters
Documentation & Cheatsheets
Networking & Servers
Prompts & Generation
AI Cost & Calculations
Code & Development
Writing & Content
Marketing & SEO
Architecture & Design
Security & Audits
All 100 Tools Directory
AI Token Counter & Cost Estimator
Calculate token counts and estimate API inference costs for GPT-4o, Claude 3.5, Gemini 1.5, and Llama 3.
Free & Client-Side
AI SaaS Pricing Model & ARPU Calculator
Calculate monthly recurring revenue (MRR), churn impact, and optimal subscription tier pricing.
Free & Client-Side