🎵 MP3 Player with word-by-word live transcript

❤️ Spotify Lyrics App · Mix any MP3 with ElevenLabs JSON transcripts to create a word-by-word synced lyrics file — just like Spotify Lyrics, but offline. Play it in player.html with live highlighting, volume control, and optional audio effects like nightcore, slow + reverb, and more. You can even decode and edit your custom .songlyrics files anytime.
⌛ This project took over 90 hours to code from scratch! If you like it, please consider starring the repo or forking it to modify it however you like! :)

• 🌐 Main Site: http://auroraverse.shop
• ▶️ Player: http://auroraverse.shop/player
• ➰ MP3 Mixer: http://auroraverse.shop/mixer
• 🛠️ Decode Songlyrics: http://auroraverse.shop/decode
• ⚠️ Open Source Beta - Report bugs or feedback to GitHub Issues!

🧪 How to Use

1. 🎧 Download your song as an MP3
2. 🗣️ Upload the MP3 to https://elevenlabs.io/app/speech-to-text
3. 📤 Export the transcript as JSON — do not check "include speakers"
4. 🧪 Open mixer.html and upload both the MP3 and the JSON file → You’ll get a .songlyrics download
5. 🎬 Open player.html, load the .songlyrics → Done. Word-by-word playback.

📁 Files

• player.html = MP3 Player
• mixer.html = Mix MP3 + JSON for .songlyrics
• decode.html = Decode .songlyrics and get MP3 and JSON downloads

⚡ Features

• Word-by-word live lyrics
• Speed up or slow down songs
• Persistent Volume Slider
• Play/Pause button
• Infinite loops of songs
• Download finished "Remixes" of songs (e.g. nightcore or slowed down songs)
• Light/Dark mode (Dark mode by default)
• Keyboard shortcuts (left arrow = go back 5 seconds, right arrow = go foward 5 seconds, space/k = pause, up/down = adjust volume, m = mute/unmute)

🩷 To add

• Karaoke mode (via .songlyrics)
• Bass Booster
• If you would like to help, feel free to contribute to the source code! :)