HOOK
HOOK
Privacy
Last updated 27 October 2026
HOOK’s single purpose is to identify the song playing in the current Chrome tab and show the title, artist, lyrics overlay, and links to listen.
What we collect
After you tap Identify, press Alt+Shift+H, use the page context menu, or enable Auto, HOOK captures a few seconds of tab audio on your device and derives a fingerprint. HOOK does not create accounts, does not sell data, and does not use data for ads.
What we send
Station originals match on your device and never leave it. When that local catalog misses, an 8-second clip is sent over HTTPS to HOOK’s catalog host, which forwards it to AudD (api.audd.io), a licensed commercial catalog, so the track can be named. If AudD has no match, HOOK may read the playing title from this tab (for example YouTube Music’s player) and may send a fingerprint to Shazam. Album artwork may be fetched only to draw the share card you download. After the song is named, only the title and artist are sent to LRCLIB (lrclib.net) for published lyrics. The clip is not sent for lyrics, and HOOK does not invent lyrics. The clip is not stored. You do not need an AudD token.
A HOOK Pro license key you paste in Settings stays on this computer; it is checked with HOOK’s catalog host so Auto can be unlocked. To build listen links, the named track’s Spotify, Apple Music or Deezer link may be sent to song.link (Odesli). While the video or audio in the tab is paused, Auto takes no samples and sends nothing. When LRCLIB has no exact entry, HOOK may run one more LRCLIB search with the cleaned title and first artist (still only text, never audio). Pinning HOOK to Chrome’s side panel only shows the same HOOK screen beside the page; it reads and sends nothing extra. With Auto on, HOOK checks which open tab is playing sound so it keeps listening to the right tab. While the side panel is open, the song position passes from the page overlay to the panel inside your browser. Nothing new leaves your device.
Parties
HOOK’s catalog host (Cloudflare Worker) forwards the clip to AudD; Apple iTunes and Deezer for catalog artwork and previews; Shazam (Apple) only as a fallback if AudD misses. HOOK is not affiliated with Apple or Shazam. Clips or fingerprints may be processed outside your country by those services.
LRCLIB (lrclib.net) for published lyrics; song.link (Odesli) for listen links. HOOK Pro payments are handled by Creem as Merchant of Record; HOOK never sees your card details.
Storage and deletion
Your library, Auto setting, overlay preference, and HOOK Pro license key live in Chrome extension storage on this computer. Clear library in Settings, or uninstall HOOK, to delete them. There is no HOOK account. You can also remove single songs from your library (with undo); they are deleted only on this computer.
Limited Use
User data is used only to name the playing song and show lyrics and links. We do not sell user data, do not use it for advertising, and do not transfer it except to the identification and catalog services named above as required to identify the track.
Children
HOOK is not directed at children under 13. We do not knowingly collect personal information from children.
Changes
Material changes to this policy will be posted on this page with a new “Last updated” date.