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by tgsovlerkhgsel 1048 days ago
For lower voltages, some do ("low impedance measurement" or LoZ). Not specifically meant for discharging capacitors but should work for that too.

But this only works up to the voltage the multimeter is rated for (i.e. usually 300 or 600 V). If you wanted to make it safe to put 30 kV across the multimeter, it'd have to be designed with sufficient insulation etc. for that.