Speak. whisper.cpp writes it down, on every x86-64 machine back to v1.
whisper.cpp, from a release that Rieux checked: it runs on every x86-64 CPU, not only new ones. Speak, or choose a file. At most 30 seconds. Your audio stays in memory and is not stored.
Try it
The browser makes 16 kHz mono WAV. The server checks the length again, and it limits the requests.
01
Text
02
This server
The server CPU appears here when the service is ready.
The Rieux page shows the CPU floor of each release, with proof.