LanguageMaster Apps & Playgrounds
Transcription Playground
Test Whisper-based transcription on your audio/video. Upload, transcribe, and export captions (VTT/SRT/TXT) in seconds.
API Playground
Explore and test LanguageMaster APIs in your browser. Try endpoints, inspect responses, and copy ready-to-use snippets.
Web Reader
Read with focus. Clean, distraction-free layout with bilingual lines, quick lookups, and word tracking.
Lesson Create
Turn videos, audio, and text into interactive lessons. Import subtitles, attach audio, and publish to your library.
Course Editor
Create & manage private courses from your lesson collection.
Lesson Editor
Edit and explore your private LanguageMaster lessons.
Language Guides
Generate guides for all languages, tailored to your native language.
Vocabulary
Create and manage words with tags, SRS, examples, and audio. Bulk import and AI-assisted entries supported.
SRS Review
Master your target vocabulary with games and exercises.
Milestones
Track progress with language-specific milestones. Visualize words read, listening time, and goals over time.
Private Library
Your personal lessons and courses. Organize, filter, and resume instantly across devices.
Coming Soon
Public Library
Browse & share community courses with ratings, tags, and curated collections.
Universal Player
Web based video player that supports Rooster Video Tools.
Rooster MasterLingQ
Enhance LingQ.com with an advanced reader, imports, hotkeys, and pro editing tools.
Rooster Reader
- Auto-scrolling captions with dual-line translations
- Word sidebar with rich lookups & stats
- Inline translation & transliteration elements
- Phrase LingQing directly in captions
- Fully movable/resizable floating UI
Course Upload
- 1-click upload: text + image + audio
- Auto-split by word count
- Bulk TXT/SRT/VTT lesson imports
- Batch audio → transcript → lessons
Hotkeys
- Rebind native LingQ reader keys
- 20+ extra shortcuts for speed
- Single-key or modifier combos
Playlist Importer
Import from YouTube, Podcasts (ListenNotes/Apple), Spotify, Streaming/Movies, Gutenberg/LibriVox, TikTok, Rumble, ARD, Helsingin Sanomat, MegaTV, RuTube.
- Smart search & de-duplication
- Download audio/video/subtitles when supported
- Direct lesson creation on LingQ
Lesson Menu
- Quick access to Reader, Editor, Filters
- Duplicate lessons, AutoLingQ & more
- Export audio-by-sentence, subs, words, Anki
Lesson Editor
- Format, find/replace, timestamp tools
- Lesson & Sentence Waveforms
- Compare lesson audio vs TTS
- Faster clean-up & publishing
Rooster Reader Video
Quick overview of key workflows and UI.