⚡ Client-Side Web Utilities

Free Financial & Security Tools

Instant, free interactive utilities designed to help you organize your budget and audit credential security. Zero registration required, 100% private in your browser.

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Personal Finance

50/30/20 Budget Calculator

Allocate your monthly net income into Essential Needs (50%), Lifestyle Wants (30%), and Long-Term Savings (20%). Includes dynamic charts, multi-currency support, and live expense itemization.

  • Dynamic SVG Donut breakdown visualization
  • Multi-currency support (USD, EUR, GBP, JPY, etc.)
  • Variance audit to track actual vs. target spending
  • Print / PDF exportable financial summary
Launch Budget Calculator →
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Cybersecurity

Password Entropy Checker

Measure exact Shannon entropy bits and simulate brute-force cracking resistance against high-performance GPU clusters. Powered by a cryptographically secure random password and Diceware passphrase generator.

  • Shannon Information Entropy (bits) calculation
  • Real-world GPU crack time estimation
  • CSPRNG Random Password & Passphrase Generator
  • Zero network data transmission (100% local)
Launch Entropy Checker →
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All-in-One Suite

Shield Plan Workspace

Our full cloud-synchronized suite combining hierarchical task planning, comprehensive budget worksheets, and zero-knowledge client-side AES-256 password management.

  • Hierarchical task planning with nested subtasks
  • Client-side AES-256 zero-knowledge encryption
  • Real-time multi-currency cloud synchronization
  • Available on Web, Android, and Desktop
Open Shield Plan App →
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Our Zero-Knowledge Privacy Guarantee

Every interactive utility on this page executes entirely within your browser's local sandbox using client-side JavaScript. We never collect, transmit, or monetize your financial figures, passwords, or personal credentials.