Farhan ArshadFree tools
Tools that run in your browser
Each one answers one question with your own numbers. No email, no signup, nothing to install. The templates, prompts and checklists live in the free toolkit.
Paid social
WhatsApp Ad Cost Checker
What one WhatsApp chat really costs you, and the week your ads started going stale.
Free web tool, no email needed · Open it
AI models
Sonnet 4.5 Retirement Check
Run your own request on Claude Sonnet 4.5 and Sonnet 5.5, see what breaks, and see what the same job costs on each.
Free web tool, uses your own API key, no email needed · Open it
Lead generation
Customer Lifetime Value Calculator
A five-input customer lifetime value calculator for cleaning, HVAC, salon and other local service businesses. Instant result, no email.
Free web tool, one HTML file you can copy · Open it