Free Karaoke and Audio Tools
Free browser tools for karaoke makers and singers: change song key, change tempo, find BPM and key, extract audio from video, convert video, cut audio and convert lyric files. Everything runs on your device. Every tool runs entirely in your browser. Your audio, video and lyric files are never uploaded to a server, there is no sign-up, and no watermark is added.
Audio tools
- Pitch Shifter and BPM Changer: Change the key of any song by up to 12 semitones and speed it up or slow it down from 50% to 200%, with the key and BPM updating live as you drag. Runs in your browser, no upload, download as MP3, WAV or M4A.
- Key and BPM Finder: Find the musical key, Camelot code and BPM of any song in seconds. Runs entirely in your browser, no upload and no account needed.
- Audio Cutter and Converter: Trim an audio file to the exact start and end time you want and save it as MP3, WAV or M4A. Works offline in your browser.
- Merge Audio: Join Multiple Tracks into One: Add several audio files, trim each one, put them in order and join them into a single file with an optional crossfade. Runs in your browser, nothing is uploaded.
- Tap Tempo BPM Counter: Tap along to a song to measure its BPM. Free tap tempo counter that runs in your browser, with keyboard support.
Video tools
- Extract Audio from Video: Pull the audio track out of a video and save it as MP3, WAV or M4A. Free, private and fast: the conversion happens in your browser.
- Video Converter: MP4, WebM and MOV: Convert videos between MP4, WebM and MOV, and optionally scale them down. Uses your browser’s hardware encoders, so nothing is uploaded.
Lyrics and subtitle tools
- LRC, SRT and VTT Converter: Convert lyric and subtitle files between LRC, SRT and WebVTT, and shift all timestamps earlier or later. Free and private, runs in your browser.
These tools need a modern desktop or mobile browser with JavaScript enabled; the interactive tool loads on this page.
Open the EasyKara karaoke video editor · Pricing · Home