Blog
Short, practical guides for DJs, music makers and creators.
How to make a slowed and reverb version of a song
Audio tools · 28 October 2026
Slow a song down, add reverb and save it in your browser. A short guide to the settings that sound good.
How to change the key of a song without changing its speed
Audio tools · 28 October 2026
Move a song up or down by semitones, or slow it down for practice without changing the pitch, in your browser.
How to tune a guitar with your browser
Practice · 31 October 2026
Tune a guitar, bass, ukulele or violin with your microphone. Nothing is recorded.
How to turn a melody into MIDI for free
Music tools · 31 October 2026
Turn a sung or played melody into a MIDI file in your browser.
How to cut an MP3 online without uploading it
Audio tools · 28 October 2026
Trim a song, cut a section out or join files in your browser. Nothing is uploaded.
How to make a quiet audio file louder without distortion
Audio tools · 28 October 2026
Boost volume and bass safely: gain, soft clipping and normalizing the peak, in your browser.
How to beatmatch two tracks
DJ basics · 26 October 2026
A simple way to match the tempo of two songs by ear, then check it with a sync button.
The Camelot wheel: mixing in key made simple
DJ basics · 26 October 2026
What the Camelot wheel is and how to use it to choose tracks that sound good together.
How to record a DJ mix and share a tracklist
Mixing · 26 October 2026
Record your set in your browser, then turn your play history into a tracklist with timecodes.
Clean up a recording: trim, fade and normalize
Editing · 26 October 2026
Four quick steps to make a voice memo, a sample or a mix sound tidy.
Make a vertical video with music for social media
Video · 26 October 2026
Join clips, add text and a music track, and export a 9:16 video for Reels, Shorts or TikTok.