Audio
Tools 25 to 39 of 39 in this category. Search and filters live on the category page.
MP4 to MP3
Convert MP4 to MP3
Pull the audio out of an MP4 as an MP3, with no upload.
MP4 to MP3 Converter
Extract MP3 from video
Extract the audio track from one short video clip and export it as MP3 locally.
MP4 to OGG
Convert MP4 to OGG
Pull the audio out of an MP4 as an OGG Vorbis file.
MPEG to MP3
Convert MPEG to MP3
Pull the audio out of an MPEG file as an MP3.
OGG to MP3
Convert OGG to MP3
Convert one OGG file into MP3 locally when an app or device will not play OGG.
Piano Tuner
Identify any note by ear
Tune your piano or keyboard using your microphone, live in the browser. Free, no app, no sign-up.
Sound Test
Test speakers or headphones: left, right, bass, sweep
Test speakers or headphones: left, right, bass, sweep. Free, in your browser.
Speaker Test
Test each speaker, including 5.1 and 7.1 surround
Test each speaker, including 5.1 and 7.1 surround. Free, in your browser.
Tone Generator
Online frequency generator, 1 Hz to 22 kHz
Online frequency generator, 1 Hz to 22 kHz. Free, in your browser.
Ukulele Tuner
Tune a ukulele (GCEA)
Tune your ukulele using your microphone, live in the browser. Free, no app, no sign-up.
Violin Tuner
Tune a violin (GDAE)
Tune your violin using your microphone, live in the browser. Free, no app, no sign-up.
Voice Memo Merger
Join voice notes into one
Join multiple voice notes into one MP3, in order, without installing anything.
Voice Note Converter
Convert voice notes
Convert voice notes, voice memos, WhatsApp audio, and recordings into MP3 locally.
Voice Recorder to MP3
Record voice to MP3
Record microphone audio in the browser and export the take as MP3 locally.
WebM to MP3
Convert WebM to MP3
Pull the audio out of a WebM as an MP3, with no upload.