Choose a brief prefix and/or suffix, then click start. Your browser will generate multiple random addresses until one matches your criteria.

Vanity address generator has been there for a long time, this version unlocks up to 20 time the speed of the CPU version like vanity-eth.tk

If you have a M1 or dedicated GPU you can change those value in gpu.ts to

const NB_ITER = 1024;
const NB_THREAD = 256;

Then you can reach 400 000 / s, but the tradeoff is that it may crash on hardwares with integrated chipset GPU.