{"id":"frequency-converter","engine":"core","category":"converter","name":"Frequency converter","fields":[{"key":"value","label":"Value","type":"number","default":1,"required":true},{"key":"from","label":"From","type":"select","default":"mhz","options":[{"value":"hz","label":"hertz (Hz)"},{"value":"khz","label":"kilohertz (kHz)"},{"value":"mhz","label":"megahertz (MHz)"},{"value":"ghz","label":"gigahertz (GHz)"},{"value":"rpm","label":"revolutions per minute"}]},{"key":"to","label":"To","type":"select","default":"hz","options":[{"value":"hz","label":"hertz (Hz)"},{"value":"khz","label":"kilohertz (kHz)"},{"value":"mhz","label":"megahertz (MHz)"},{"value":"ghz","label":"gigahertz (GHz)"},{"value":"rpm","label":"revolutions per minute"}]}],"sample":{"value":1,"from":"mhz","to":"hz"}}