Speaking about a material
A conversation with an online character is grounded in the selected text, video, or file.
Explore speaking
Language learning through authentic content
Turn a text, video, or PDF into personalized language practice
Read and listen with contextual support. Active Dictionary helps you find useful words and phrases, ask questions about the material, and build writing and speaking practice.
Start without signing up by opening a material from the public library.
From material to practice
One connected workflow
One material, a complete practice cycle
Keep comprehension, active use, and review connected to the same material instead of moving between disconnected tools.
- 1
Understand the content
Translate words and selections, then explore meanings and examples in context.
- 2
Notice what matters
Word and phrase radars help surface language worth your attention.
- 3
Use the language
Discuss the material with an AI conversation partner and complete a related writing task.
- 4
Make it stick
Save useful words and phrases to your dictionary and revisit them with spaced-repetition cards.
A context-aware assistant
Ask AI about the material itself
The AI expert works beside the open material and can use a supported selection as context. Your question and source stay together.
- Clarify the meaning of a passage or expression.
- Explore language rules through examples from the current text.
- Ask about the content without copying it into a separate chat.
Active practice
Move from understanding to your own language
Once the content is clear, bring its language into your own speaking and writing.
Writing about a material
Select phrases and use language hints without losing the source context.
Explore writingAn open tool
Try the dictionary
Enter a word, choose a language pair, and open its dictionary card without entering a separate marketing experience.
Enter the text to translate
Different goals
Choose your use case
The same approach supports personal interests, professional vocabulary, and academic materials in different ways.
For content-led learners
Turn books, articles, and videos into vocabulary and personalized practice.
Learn moreFor professionals
Work with terminology, documents, and industry texts in one context.
Learn moreFor students and researchers
Explore academic PDF files, terminology, and writing in context.
Learn moreYour source
Learn with a text, video, or PDF
Begin with the material type that suits you. Interactive YouTube work requires available captions.
For content-led learners
Turn books, articles, and videos into vocabulary and personalized practice.
Learn moreLearn with YouTube
Work with video and available captions, then discuss the content.
Learn moreLearn with PDF
Read a document with contextual support, vocabulary, and practice based on its content.
Learn moreNo sign-up required
Start with a ready-made material
Open a public project, text, or video and see how Active Dictionary works before creating a project of your own.
- Public projects are collected in one library.
- Materials open in the same workspace used by signed-in users.
- Sign-in is requested only for personal actions and saved results.
Always with you
Continue wherever it suits you
Read and save new expressions in your browser, then review them on your phone. Active Dictionary fits into your day.
Browser Extension
Translate words and save useful expressions as you browse. Build your personal dictionary without losing focus on what you read.
Mobile app
Keep your personal dictionary close and review saved words and expressions on your commute, on a walk, or during a break.
What to know before you begin
Can I try Active Dictionary without signing up?
Yes. Open the public library, choose a material, and explore the workspace. You will need an account to create a project, save personal data, and use selected trainers.
What level is the product designed for?
The main workflow is designed for learners at B1 and above who benefit from authentic texts, videos, and documents
Which materials are supported?
Verified workflows include texts, video and YouTube with available captions, and PDF.
How is the AI tutor different from a general chat?
It sits beside the material and uses its current context, including supported text selections. You do not need to paste the source into every new conversation.
Are there limits for PDF?
Automatic OCR in the current version is designed for PDF files of up to 50 pages. The exact experience depends on the file structure and its text layer.