Static GEO Utility Array

Developer / Utility Hub

Five privacy-first, pure client-side web utilities consolidated into a single static deployment surface. No backend, no database, no runtime maintenance.

Deployment Mode Cloudflare Ready
Tools
5
Runtime
0
Path Strategy
./tool-folder/index.html
CRON 01

Cron Expression Visualizer

Explain five-field cron expressions and preview upcoming run times directly in the browser.

cron-expression-interactive-visualizer-and-explainer Open
MARGIN 02

Cross-Border Profit Calculator

Estimate duties, platform fees, ad spend, net profit, margin, and break-even ROAS.

cross-border-e-commerce-stamp-duty-profit-margin-calculator Open
CSS 03

Glassmorphism Generator

Tune blur, tint, opacity, border, and radius with a live canvas and copy-ready CSS output.

css-glassmorphism-ui-code-generator-with-live-canvas Open
JWT 04

JWT Security Debugger

Decode JSON Web Token headers and payloads locally, with expiry and security claim warnings.

pure-client-side-jwt-json-web-token-security-debugger Open
SOCIAL 05

Character and Hashtag Counter

Count social copy length, extract hashtags, and prepare cleaner platform-ready drafts locally.

tiktok-xiaohongshu-character-and-hashtag-counter-with-copy-wizar Open