Library & import

The Library is home for all your material. Tabs switch between All / Videos / Audio / Ebooks / Courses; press / to focus search.

Importing files

1. Press Import and pick a type (video, audio or EPUB/TXT ebook).
2. Drop the file in, or press Browse files.
3. Add a title, an optional description, and choose the material’s language.
4. Confirm. The file stays on your device; with sync on, metadata and progress follow your account.

Common formats such as MP3, MP4, WAV and MKV are supported (see the MKV note below).

MKV files

MKV is only a container; codecs inside (for example HEVC / H.265) may not play in a browser. Transcode to MP4 (H.264 + AAC) first, or use Enjoy Player.

Large files

Very large files can’t be imported in some browsers; the app will suggest Chrome, Edge or Brave.

Where subtitles come from

Up to four sources per item, roughly ordered by reliability:

Source	How	Best for	Notes
Import proofread subtitles	Prepare .srt / .vtt, add them at import time or later in the player	Films, TV shows	Highest quality — the first choice
Extract embedded subtitles	If the file carries subtitle tracks, press Extract subtitles in the player, pick a track, confirm the language, preview	MKV / MP4 files with muxed-in subtitles	A file may have several tracks (languages, translations) — preview and pick one
YouTube captions	Read from the platform on the playback page	YouTube / Netflix	Line-level timestamps only — no word-by-word highlighting; quality is not guaranteed
AI transcription	Generated when no subtitles exist at all	Short material with clean speech	Uses credits; slow on long videos, and noisy or music-heavy material degrades quality

Subtitle strategy for films and shows

Movies and episodes run one to two hours: AI transcription is slow, costs credits, and still won’t match a human-checked subtitle. Do this instead:

1. Find a proofread subtitle (subtitle sites have them for almost anything) and import it with the video;
2. If the file muxes subtitles in (common with MKV), just extract them;
3. Only fall back to AI transcription for short clips with no subtitles anywhere.

Want a Chinese (or your-language) translation?

The player runs primary + secondary subtitle tracks side by side: the original on one line, the translation under it. Same priority order for the secondary track:

1. Proofread translations: films, shows and platforms usually ship one already — fansub dual-language .srt files, Netflix’s official Chinese track, human Chinese tracks on many YouTube videos. Import it (or switch language tracks in the subtitles menu); it beats machine translation by a wide margin;
2. Auto-translate: when nothing ready-made exists, set the secondary track to Auto in the subtitles menu — Enjoy translates the original line by line into your language as it scrolls into view. It uses credits, and machine translation isn’t as reliable as a human-checked track, so treat it as a fallback — running auto-translate over an entire film costs a lot for mediocre results.

Subtitles that drift from the audio, or contain typos, can be fixed in the player — see Editing & aligning subtitles.

Ebooks

Importing ebooks requires signing in. Oversized ebooks can’t be uploaded for sync under plan limits. See Ebooks & courses.

Continue learning

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