Legal & Privacy

A plain-language guide to data, media, and third-party services on axjin.

Updated July 19, 2026

Practice data stays local

Your songbook, lyrics, annotations, and settings are stored in this browser. Local audio and video files are stored in this browser's IndexedDB and are not uploaded to axjin. Clearing browser data can remove local data.

External services

The practice desk uses YouTube's embedded player. When you load or play a video, your browser connects to YouTube or Google, which may receive device, network, and playback information under their own terms and privacy policy. YouTube Terms · Google Privacy

This site uses Vercel Analytics to understand aggregate site usage. Vercel processes the related technical data under its privacy policy. Vercel Privacy

If you submit the contact form, the name, email address, and message you provide are sent to Web3Forms so the message can be delivered. Web3Forms Privacy

Copyright and your content

axjin does not provide lyrics or downloadable media. Only add audio, video, lyrics, or annotations that you created, that are in the public domain, or that you have permission to use. A song's composition, lyrics, and sound recording can have separate rights.

Songbook exports include browser-local lyrics and lyric timing. Only export content that you created, that is in the public domain, or that you have permission to use, and take care when sharing the file. Local media is never included.

Open-source software

The practice tools use Signalsmith Stretch, Kuroshiro, Kuromoji.js, IPADIC data, pinyin-pro, to-jyutping, and Hangul Romanization. Their licenses and required notices are available below.

Third-party notices