Generate tech stack badges, build indicators, and version labels in standard Markdown and HTML.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Select a popular framework preset or input custom label and message.
Choose from For The Badge, Flat, or Flat Square styles and enter hex colors.
Copy the standard  syntax directly into your README.md.
In GitHub READMEs, project documentation sites, GitLab profiles, and package repository landing pages.
For The Badge is a bold, uppercase rectangular badge style popular in modern developer repositories.
Zero-egress companion tools in the Text Utilities suite
Calculate US grade level comprehension using the Automated Readability Index (ARI) formula.
Strip accents and normalize European characters into plain ASCII Latin letters.
Encode and decode reversible ROT13 and custom Caesar cipher text strings.
Format scientific Markdown chemical formulas and mathematical exponents.