psst... 100% free!
Every utility you need.
Free, private, and unlocked.
36 production micro-utilities running locally inside your browser. Merge documents, convert media formats, edit resumes, and inspect payloads without network uploads or subscriptions.
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Inspect, Code & Accessibility
Developer & Web Utilities
JSON formatting with structural diff, freeze-proof regex testing, WCAG contrast verification, and permanent QR cards.
Dev Suite
JSON Formatter & Diff Inspector
Format, validate, beautify, and inspect deep differences between JSON payloads locally.
100% PrivateOpen →
Dev Suite
Regex Live Tester & Explainer
Test and debug regular expressions with live visual highlighting and zero-width loop protection.
Freeze-ProofOpen →
Dev Suite
WCAG Contrast & Palette Checker
Calculate WCAG 2.1 relative luminance and evaluate AA/AAA accessibility compliance.
WCAG 2.1 AA/AAAOpen →
Media Suite
Permanent Static QR Code
Direct-destination QR codes in PNG and SVG. Never routes through redirect servers; never expires.
Never ExpiresOpen →