Audio tools
Trim clips, change pitch and convert audio — offline.
- Runs in your browser
- Nothing uploads
- No account, no tracking
- Free — always
Cut MP3, WAV, M4A or OGG files to the exact start and end you want — saves as MP3 or WAV.
Join several audio clips into one continuous track, in the order you choose.
Convert between MP3, WAV, M4A and OGG with a choice of MP3 quality from 96 to 320 kbps.
Speed up or slow down any audio from 0.25× to 4× — perfect for lessons, podcasts and effects.
Shift pitch up or down by semitones without changing the length — great for music practice and karaoke.
Play any clip backwards for fun effects, sound design or hidden‑message experiments.
Even out quiet audio by raising the loudest peak to a safe target level — without distortion.
Smoothly blend the end of one clip into the start of another — a classic DJ transition.
Automatically find and remove long quiet stretches from podcasts, interviews and voice memos.
Play sine, square, triangle or saw waves from 20 Hz to 20 kHz — tune instruments and test speakers.
A precise 30–300 BPM metronome with time signatures, accented beats and tempo presets.
Drop in a song and estimate its tempo in beats per minute — useful for DJs, dancers and producers.
Live waveform and frequency display from any file or your microphone — nothing is recorded.
Trim any song to 30 seconds, add fade in and fade out, and save as iPhone .m4r or Android .mp3.