Local library
Drop folders or files. Everything stays in IndexedDB on this device — searchable, taggable, and always offline-ready.
Private · On-device · Liquid glass
Your music, in a private glass library
Soundglass keeps every track on this device. No accounts in the cloud, no ads, no algorithm — just a beautiful player that feels like glass.
1:24−2:18
Speed 1×
Sleep
Lyrics
Vinyl
Everything in the glass
Built for people who own their music
Import files, build playlists, tune the sound, and keep it all private — with the same liquid-glass UI as the app.
Smart playlists
Rules by tags, rating, BPM, plays, or liked songs. Or build classic playlists and share them as codes or .sgl packs.
Visualizer & focus
Full-screen reactive visuals, vinyl mode, compact player, and a focus view that keeps only the music in front of you.
EQ & playback
Five-band EQ, presets, crossfade, speed control, A–B loop, sleep timer with fade, and an optional morning alarm.
Lyrics & covers
Synced lyrics with a tap-to-time editor, cover art editing, and optional ID3 writes so tags travel with the file.
Lock it down
Biometric unlock, PIN, and a decoy PIN that opens an empty private profile. Auto-lock when you step away.
Party & sync
Host a party room with a short code, or peer-to-peer library transfer. Share a track as a portable .sgl zip.
Rewind & stats
Year and month rewinds, listening history, achievements, a calendar heat map, and health checks for broken files.
The player
Liquid glass, every control
Spring animations, soft rims, and handles that swell under your finger — the same language as the app.
Visualizer that reacts to the music
Open the full-screen visualizer from any track. Album art blurs into the background while bars and shapes move with the audio.
- Immersive stage with rotating cover
- Scrub with a liquid glass handle
- Works with your existing queue and repeat modes
Live visualizer
Shape the sound
Five-band equalizer with presets, crossfade between tracks, playback speed from 0.75× to 2×, and a sleep timer that can fade out gently.
- EQ presets + per-band control
- A–B loop for practice or loops
- Morning alarm from Liked or library
60
250
1k
4k
12k
5-band EQ
Queue, mini player, gestures
Reorder the queue, save it as a playlist, or clear it in one tap. The floating mini player can be dragged, swiped to skip, and remembered in position.
- List or grid library with density options
- Bulk select, rate, tag, and move
- Keyboard shortcuts and an optional tour
Midnight Drive
Mini player
Private by design
Soundglass never uploads your library. Audio lives in the browser’s storage on this device. Optional folder sync uses the File System Access API — still local.
No cloud library
No tracking
Biometric + PIN
Decoy profile
Backup & restore
Works offline
0
Servers for your music
100%
On this device
∞
Playlists you define
1
Beautiful glass UI
Make it yours
Themes, accents, density
Light, dark, or system. Custom hue, saturation, and accent. Compact or comfortable lists. Glass tint you control.
Accent
Pink, violet, blue — or pick any color
Palette
Hue-linked blobs that match your mood
Glass tint
Dial transparency and blur to taste
Density
Comfortable or compact rows
Why local
Cloud players vs Soundglass
Same love of music — different deal with your files and privacy.
Typical cloud app
- × Library lives on their servers
- × Needs an account in the cloud
- × Ads, upsells, or subscription tiers
- × Algorithm feeds you didn’t ask for
- × Offline is a limited afterthought
Soundglass
- ✓ Files stay in this browser on this device
- ✓ Optional local accounts only
- ✓ No ads, no tracking pixels
- ✓ You build playlists and smart rules
- ✓ Works offline by default
Power user
Keyboard-first when you want it
Inside the app, press ? for the full list — or ⌘/Ctrl+K for the command palette.
Space Play / pause
←→ Seek ±10s
? Shortcuts
⌘K Command palette
Open the glass
Run Soundglass in your browser. Add a few tracks and the interface is already yours.
Launch Soundglass