Developer Tools

MAC Address Generator for Test Data

Batch-generate MAC addresses with chosen case, separator, and optional OUI prefix for ACL samples, IoT tests, and format conversion.

MACNetworkTesting

Favorite this tool

No favorite storage mode has been selected.

Quick actions

Copy this tool URL or open the system share sheet on a supported device.

Use cases

  • Prepare MAC samples for router ACL rules
  • Fill physical addresses in IoT packet tests
  • Convert colon, dash, and dotted formats

How to use

  1. Choose case and separator
  2. Optionally set a fixed prefix
  3. Generate and copy results

Example input and output

Settings

lowercase + dotted

Output

001a.2b3c.4d5f

FAQ

How long can the prefix be?

Up to six bytes; a longer prefix leaves less random tail.

Is this for production devices?

It is for tests and samples; production MACs must follow vendor rules.

Tools

Related tools

Continue with another translated tool for a nearby task.

UUID Generator

UUID Generator for Batch Unique IDs

Available

Generate UUID v4 values in your browser with batch size and format options such as uppercase, no hyphens, and braces. Randomness comes from the native crypto API for test data and unique identifiers.

UUID Generator Developer

Regex Highlight Tester

Regex Highlight Tester — JavaScript Pattern Matching

Available

Test JavaScript regular expressions in your browser with native RegExp. Supports flags such as i, g, and m, highlights matches, and shows capture groups with offsets for debugging email, crawler, and validation rules.

Regex Testing Highlight