Audio Toolkit

A collection of useful calculators and converters for everyday audio work. No ads, no tracking, fully offline-capable.

λ / f / t / smpls WAV & MP3 size pitch & frequency BPM <-> milliseconds

λ / f / t / smpls

switch to electromagnetic spectrum

from

44,1 kHz 48 kHz 96 kHz 192 kHz

to

WAV & MP3 size

switch to MP3

duration (hh:mm:ss)

00: 03: 30

channels sample rate

bit depth

file size

duration (hh:mm:ss)

00: 03: 30

bitrate (CBR, stereo)

file size

pitch & frequency

switch to Hz → note

note

frequency

▶ play sine tone

frequency (Hz) nearest note

▶ play sine tone

BPM <-> milliseconds

switch to ms → BPM

tempo (BPM)

TAP

note values

note duration (ms) note value

tempo

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other tools:
AB Test - MIDI / HEX Converter - Time Calculator

Audio Toolkit V1-8 - © Heiner Kunkel 07/2029