Donaldson R F Free Audio Tools
Cut, join, convert and adjust audio files in your browser.
10 free tools in this category. No sign-up, no limits.
MP3 Cutter & Audio Trimmer
Cut and trim audio with a waveform: keep or delete a part, preview it and save as MP3 or WAV, all in your browser.
Open tool →Change Audio Volume
Make audio louder or quieter by dB or percentage, or normalise the peak, with clipping protection and a preview.
Open tool →Audio Fade In & Fade Out
Add a fade in and fade out to audio, choose the curve, see the shape and save as MP3 or WAV.
Open tool →Reverse Audio
Play a sound backwards: reverse a whole track or only a selected part, preview it and save it.
Open tool →Audio Converter
Convert audio between MP3, WAV, OGG, M4A, FLAC and Opus with your choice of bitrate, sample rate and channels.
Open tool →Join Audio Files
Join several audio files into one: put them in order, add a gap and save as MP3 or WAV.
Open tool →Change Audio Speed
Speed up or slow down audio from 0.25x to 4x, with or without changing the pitch.
Open tool →Remove Silence from Audio
Cut silent gaps out of a recording: set the silence level and minimum length and see what will be removed.
Open tool →Voice Recorder
Record your voice from the microphone in the browser: live level meter, pause and resume, then save as MP3, WAV or the original file.
Open tool →Extract Audio from Video
Save the sound of an MP4, MOV, MKV, WebM or AVI video as MP3, WAV, M4A, OGG, FLAC or Opus, or keep the original audio untouched.
Open tool →