Library

Import, organize, and study lessons locally.

Your lesson library

Click a lesson to open it in the reader. Long texts are split into roughly five-minute chapters and remember your last reading spot.

Create / Import Lesson

Paste text, YouTube transcripts, copied articles, subtitles, PDFs, EPUBs, or upload a local file. Everything stays in this browser.

YouTube helper

Paste a YouTube URL, embed the video, then paste a transcript/subtitles into the lesson text box. This works locally without scraping or bypassing YouTube restrictions.

No YouTube video loaded yet.

No lesson selected

Choose a lesson from the library.

Spaced repetition

Cloze Review

No cards due yet.

Save words as level 1–3 to create cloze cards.
Review configuration

Cards are rescheduled by accuracy: missed cards return later in the same session; close typed answers get shorter intervals than exact answers.

Vocabulary lookup & card library
Words read0
Known words0
Learning words0
Known lemmas0
Morphemes tracked0
Points0

Vocabulary by language

Recent activity

Structured Beginner Courses

Seed lessons are deliberately short. Edit them, duplicate them, or replace them with your own mini-stories.

Comprehensive Settings

Translation / AI

Keys stay in localStorage on this browser. For production, route calls through your own proxy.

Read aloud / TTS

Reader / chapters

SRS

Dictionary Packs

Bundled StarDict Wiktionary packs are included for Spanish, Hungarian, French, German, Latin, Modern Greek, Ancient/Koine Greek, Biblical/Modern Hebrew, and Old English. You can also import JSON packs.

Custom dictionary sites

Import morphology

Layout & highlight colors