Zesheng ToolsA lightweight directory of browser-based tools. Built for fast loads, clear navigation, and everyday productivity.

Zesheng ToolsA lightweight directory of browser-based tools. Built for fast loads, clear navigation, and everyday productivity.

Code highlighter · Zesheng Tools

Code highlighter

Dev Utilities

Online

Syntax-highlight source code and copy styled HTML for docs or slides.

Language

Code

Highlighted

Output appears here after highlighting.

Highlighting runs locally in your browser with highlight.js; nothing is uploaded.

What it does

Uses highlight.js in your browser to produce colored HTML for many languages.

Format, minify, and validate JSON locally in your browser.

Parse, format, minify, and validate JSON in your browser (same engine as JSON formatter).

Generate repository documentation prompts for AI assistants.

Encode UTF-8 text to Base64 or decode Base64 back to text in your browser.

Format, minify, and validate XML locally in your browser.

Interactive editor to build and test regular expressions with live highlighting.

Hash text with SHA algorithms or encrypt/decrypt with AES-GCM in your browser.

Generate MD5 hex digests for UTF-8 text in your browser.