Free web browser tools

Audio

Process MP3, WAV, M4A, and video soundtracks locally — no uploads and no installs.

MP4 to MP3 converter

Convert MP4 video to MP3 audio online. Extract the soundtrack from MP4, MOV, or WebM and choose the bitrate — converted privately in your browser.

In Browser Privacy Friendly Audio Video File Converter

Audio trimmer / MP3 cutter

Trim and cut MP3, WAV, and M4A audio online. Select a range on the waveform, add fades, and export MP3 or WAV in your browser.

In Browser Privacy Friendly Audio

Audio FAQs

How are tags used on ReallyUseful.Tools?

Tags group tools by shared traits such as file converter, in browser, or privacy friendly so you can filter the directory by feature.