For sharing
MP3 is the practical default.
It is compact and widely accepted for voice notes, music references, uploads and everyday playback.
Video, GIF & Audio
You only need what it sounds like.
Take the audio track out of a video and save it as an MP3 without uploading the source file.
1 Choose2 Quality3 Convert4 Download
Choose a video with an audio track.
Worth knowing
Choose MP3 because the next thing wants MP3.
This is the direct route when you only need the soundtrack in a familiar, shareable audio format. If the next step is editing, another format may make more sense.
For editing
Use WAV when you want a cleaner working file.
If you plan to edit, process or re-export the audio several times, a WAV copy avoids adding another lossy step too early.
After extraction
Do the next audio job on the audio, not the video.
Trim it, change the volume, transcribe it or convert the format without dragging the picture along for the ride.
What next?
Finish the next little job.
Use the result you just made as the starting point, not a reason to open a full editor.
Useful to know
Four things worth knowing.
The export is a bundle of choices.
Media exports combine dimensions, frame or sample rate, codec, bitrate and duration. File size is the result of those choices, not one magic quality switch.
Exporting is not mastering.
A browser utility is good for a focused conversion or edit, but it is not colour grading, audio mastering, motion tracking or a full timeline.
Play the whole thing.
Play the exported file from beginning to end and check picture, sound, crop, timing and orientation.
Match the destination.
Play the export all the way through once. Broken audio, a bad final frame or a mistimed subtitle often hides near the end.