Большая Советская Энциклопедия

Большая Советская Энциклопедия provides an extensive reference library featuring 95,000 articles from the Great Soviet Encyclopedia. This Chrome extension operates fully offline, ensuring uninterrupted access without an internet connection after the initial 262MB database download.

Key features include history tracking of viewed terms, a favorites list with easy management, customizable font and color themes, and text-to-speech pronunciation powered by iSpeech® (requires internet for audio playback). Users can also perform contextual word searches by selecting words within articles and enjoy the "Random word of the day" widget for daily learning. Ads are included within the app.

This tool is ideal for students, researchers, and enthusiasts of historical and Soviet-era knowledge seeking a comprehensive offline encyclopedia experience.