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Diurnal Tech
Diurnal Tech Utilities

Free Developer & Tech Micro-Tools

Explore our suite of 100% free, client-side developer utilities, calculators, and generators. Built for speed, precision, and privacy—no account registration or backend server requests required.

Live Tool

CSS Box-Shadow Multi-Layer Generator

Visually stack multiple shadow layers with blur, spread, and opacity controls to export production-ready CSS.

Web Dev Launch Tool
Live Tool

CSS Glassmorphism UI Builder

Real-time slider generator for backdrop-filter blur, frost transparency, and specular borders with live preview.

Web Dev Launch Tool
Coming Next

CSS Neumorphism Playground

Generates soft extruded plastic UI shadows and surface convex gradients with copyable CSS snippets.

Web Dev
Coming Soon

LLM Token Counter & Trimmer

Estimate and optimize token counts across OpenAI, Claude, and LLaMA tokenizer models in real time.

AI Tools
Coming Soon

PC Power Supply (PSU) Sizer

Calculate total component wattage draw across CPU and GPU models with recommended overhead headroom.

Hardware
Coming Soon

Password Entropy & Crack Time

Compute character bit entropy and estimate cracking resistance against offline GPU cluster attacks.

Security
Coming Soon

SaaS MRR to ARR Calculator

Compute ARR, expansion metrics, churn impact, and forecast net new revenue runs with exportable stats.

SaaS

Why Use Diurnal Tech Micro-Tools?

⚡ Zero Server Latency

Every utility runs purely in your web browser with vanilla JavaScript. No heavy backend round-trips, ensuring instantaneous output.

🔒 Complete Data Privacy

None of your inputs, tokens, code snippets, or configuration payloads are transmitted or stored on external servers.

📱 100% Responsive & Clean

Engineered to work seamlessly across mobile, tablet, and high-DPI desktop viewports with exportable CSS, code, and values.