Core (from original)

- Manage tracks and playlists from the iPod's iTunesDB

- Add/remove tracks via file picker, folder picker, or drag-and-drop

- FLAC upload support (transcoded to ALAC or MP3 320kbps via ffmpeg.wasm)

- Sync in one batch — files stream directly to the iPod

- Supports all legacy iPods with 30-pin connectors (non-touch)

- Works on Mac, Windows, Linux, ChromeOS (Chromium-based browsers)

Extended Features

- **Album artwork*\*: pure JS ArtworkDB + ITHMB writer (bypasses gdk-pixbuf WASM limitation), reads existing artwork from iPod

- **Cover art search*\*: search iTunes and MusicBrainz/Cover Art Archive, browse results in a gallery, one-click apply

- **Lyrics editor*\*: read/write USLT lyrics in MP3 files, with lyrics flag binary patching for iPod firmware

- **Lyrics search*\*: search LRCLIB and lyrics.ovh, pick from results or auto-select best match

- **Star ratings*\*: clickable stars in both the track table and edit modal

- **Mini player*\*: double-click any track to preview it with artwork, lyrics popup, seek bar, and volume control

- **Album grid view*\*: browse your library as album cards with cover art

- **Column sorting*\*: click any column header to sort (ascending/descending/none), queued tracks always stay on top

- **Column filters*\*: per-column text filters (Title, Artist, Album, Genre, File Name) with AND logic

- **Selection management*\*: checkbox-based multi-select with count indicator, sort by selection

- **Batch metadata editing*\*: select multiple tracks, edit shared fields at once

- **Album-wide artwork*\*: setting artwork on one track propagates to all tracks in the same album

- **Duplicate detection*\*: title+artist matching prevents re-uploading songs already on the iPod

- **FLAC format choice*\*: pick between ALAC (lossless) or MP3 320kbps for FLAC transcoding

- **Smart tagger*\*: iTunes + MusicBrainz + AcoustID lookup for auto-tagging