Audio Toolbox
Convert, trim, merge and analyze audio files entirely in your browser. All tools run locally in your browser memory with zero server uploads and zero tracking.
Convert audio between MP3, WAV, AAC, FLAC, OGG and M4A — free, in your browser.
Reduce audio file size by lowering bitrate.
Trim an audio file to a chosen start and end time.
Remove a section from an audio file and join the rest.
Combine multiple audio files into one.
Split an audio file into equal parts.
Increase or decrease the volume of an audio file.
Add a smooth fade-in and fade-out to an audio clip.
Normalize audio loudness to a target LUFS level.
Speed up or slow down audio without changing pitch.
Shift the pitch of audio up or down without changing speed.
Reverse an audio file to play backwards.
Automatically remove silent gaps from audio.
Adjust bass, mid and treble levels of an audio file.
Boost the low frequencies of an audio file.
Boost the high frequencies of an audio file.
Reduce background hiss and noise from audio.
Convert audio between mono and stereo.
Mix a stereo audio file down to mono.
Duplicate a mono audio file to stereo.
Generate a waveform image from an audio file.
Visualize the frequency content of audio over time.
View a live frequency spectrum while playing audio.
Estimate the tempo (BPM) of a music track.
Measure the peak and average loudness of audio.
Check the exact length of one or more audio files.
View embedded tags and technical info of an audio file.
Strip embedded tags from an audio file.
Edit title, artist, album and other tags on an audio file.
Remove embedded cover art from an audio file.
Extract embedded cover art from an audio file.
Find silent sections within an audio file.
Have text read aloud in a chosen voice.
Transcribe speech from your microphone into text.
Generate a pure tone at any frequency and waveform.
Generate continuous white noise.
Generate continuous pink noise.
Convert text into audible Morse code.
Generate a simple beep or sequence of beeps.