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.

MAC address generator · Zesheng Tools

MAC address generator

Dev Utilities

Online

Generate random locally administered MAC addresses with optional vendor prefixes.

Vendor prefix

Count

MAC addresses

Runs locally in your browser.

What it does

Bulk-generate MACs; optional OUI presets (Apple, Intel, etc.).

Generate repository documentation prompts for AI assistants.

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

Generate SHA-1, SHA-256, SHA-384, or SHA-512 hex digests locally.

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

Step-through regex debugger with flavor notes and explanations.

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

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

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