RYUN Engineering & Research
Blog & Engineering Notes
Things we built, measured, or got wrong. Written by the developer, dated, and updated in place when code or benchmarks change.
Articles (1)
#dual subtitles·11 min
Language Reactor Alternative: Free Dual-Subtitle Video Immersion for Chrome, Brave, and Firefox
Language Reactor restricts Anki exports and phrase saving behind subscriptions, while streaming DOM updates frequently break its extension. Discover how Nativra delivers a 100% free, zero-signup alternative with sub-second bilingual subtitle synchronization across Chrome, Brave, and Firefox.
Nov 3, 2026Read