AI Tools for Sellers & Developers
One ecosystem: free tools, AI products, and monitoring for indie builders. Privacy-first, built for developers.
🛠 Free Developer Tools
Cron Generator
Create and explain cron expressions visually.
YAML ↔ JSON
Instant bidirectional conversion in your browser.
Timestamp
Unix time to date and back.
Base64
Encode and decode text.
SHA256
Hash text and files locally.
AI Cost Calculator
Estimate LLM API costs across 23 providers.
🚀 AI Products
ListingAI
AI listing generator for cross-border sellers.
ReviewPilot
Turn reviews into actionable insights.
VSCode AI Cost Tracker
Track AI API costs inside VS Code.
TokenTracker
Monitor AI token usage across tools.
IndieOps StatusDash
Uptime monitoring for indie products.
Why ToolMatrix?
Private by Design
All free tools run locally in your browser. Your data stays on your device.
One Ecosystem
From free tools to full AI products — everything a solo developer needs to build, ship, and monitor.