Ddict

Overview

Ddict is a browser-based AI translation and writing assistant designed to help users understand, learn, and write in any language. Developed by Ddict, LLC and continuously improved since its first release as a Firefox add-on in 2011, the service now supports eight major browsers and serves more than 500,000 users each month, maintaining a 4.5-star rating. Its mission is to provide a frictionless language experience by bringing translation and writing tools directly into the browser environment, where reading, researching, and communication naturally occur.

The core Ddict Extension delivers effortless translation and dictionary lookup on any website. Users can select any word or sentence and invoke translation through a single click or keyboard shortcut. Results include immediately accessible dictionary definitions, pronunciation, and text-to-speech (TTS) audio, allowing deep comprehension without leaving the current page. The extension supports a broad set of languages, including English, Vietnamese, Turkish, Japanese, Portuguese, Spanish, Russian, German, Korean, Thai, Arabic, Bengali, Greek, French, Hindi, Indonesian, Marathi, Polish, Tamil, Telugu, Urdu, Ukrainian, and both Traditional and Simplified Chinese, making it suitable for global users.

Ddict AI leverages advanced Large Language Models (LLMs) to enhance reading and comprehension beyond simple word substitution. The AI Translation feature produces context-aware, nuanced translations that preserve the full meaning of complex documents. The AI Summary tool quickly condenses long articles into concise overviews, helping users grasp key points efficiently. Additionally, built-in writing improvement and grammar/spelling checkers provide real-time feedback, ensuring that emails, reports, and messages are clear, polished, and professional. These features are integrated into the extension, enabling AI-powered assistance during everyday browsing and writing tasks.

To reinforce vocabulary acquisition, Ddict automatically syncs saved words with an interactive flashcard deck that employs spaced repetition, a proven technique for long-term memory retention. Learners can start studying immediately with a dedicated flashcard mode. For offline and document-based content, Ddict Reader translates PDF, DOCX, and EPUB files, greatly expanding the tool's utility beyond web pages. Available on Google Chrome, Microsoft Edge, Opera, Brave, Vivaldi, Yandex, and Firefox (with Safari support in development), Ddict is positioned as an all-in-one companion for translation, summarization, writing improvement, and language learning.

Core capabilities

Instant Translation & Dictionary

Select any text on a website and translate it instantly with a click or keypress, with access to dictionary meanings.

Text-to-Speech & Pronunciation

Hear native pronunciation and use TTS audio for selected words and sentences.

Save & Sync

Save translated words across sessions; saved words automatically sync with the flashcard deck.

AI Context-Aware Translation

Uses LLMs to provide nuanced translations that capture full meaning and context.

AI Summarization

Condense lengthy articles and documents into concise key-point overviews.

Writing Improvement

AI-assisted suggestions to craft clear, impactful, and professional messages.

Grammar & Spelling Check

Real-time feedback to eliminate typos and grammar mistakes.

Flashcard Learning

Spaced-repetition flashcards built from saved vocabulary to accelerate memorization.

Multi-browser Support

Available for Chrome, Edge, Opera, Brave, Vivaldi, Yandex, Firefox, with Safari upcoming.

Ddict Reader

Translate PDF, DOCX, and EPUB documents in a dedicated reader mode.

Use cases

Reading foreign news articles or blogs with instant translation

Looking up unknown words while browsing any website

Learning new vocabulary with flashcards during spare time

Summarizing long research papers or articles

Writing and proofreading emails in a second language

Translating PDF, DOCX, or EPUB documents for study or work

Improving grammar and spelling in online communications