Random port
Generate random port numbers within a custom range, with a count of up to 100 and no duplicates. Uses secure randomness.
Ports
Generate random ports.// About this tool
Pick random ports for local services, tests, or temporary listeners. Set the allowed range and count, then copy the generated list. Each value is drawn from a secure random source.
// How to use it
- Set the number of ports and the min/max range.
- Generate the ports.
- Copy the list into your configuration.
// Frequently asked questions
Does it check whether a port is free?
No. It only generates numbers; verify availability on your system before using one.
Can duplicates appear?
No. Ports within a single generation are unique.