Step-by-step guides for getting real work done in your browser — removing vocals, finding a song’s BPM, making acapellas, cutting and merging audio, and pitch-shifting cleanly. Practical, tool-by-tool, and free.
How to play any audio backwards in your browser — for reverse-reverb swells, transitions, backmasking checks, and creative effects. Free, instant, no upload.
Three real ways to pull a clean acapella from any song — AI vocal isolation, official stem packs, and the phase-cancellation trick — plus when to use each.
Record from your mic right in the browser — no app, no upload. How to set clean levels, avoid clipping, and save as WAV or MP3, all processed on your device.
Three reliable ways to find any song's tempo — quick manual tapping, automatic beat detection, and the sanity checks that catch the errors detectors make.
What actually has to match when you combine audio files, how to sequence them, and the habits that separate a clean merge from a messy, mismatched one.
Push a pitch shift too far and vocals go thin, chipmunked, or robotic. Here is how to change a song's key while keeping the voice sounding human.