RosettaSubs

Subtitles in 30+ languages from OpenSubtitles, SubDL, and Wyzie — with dual-language immersion tracks and instant AI translation when subtitles are missing in your language.

Stateless & Zero-Storage Dual-Language Immersion Auto UTF-8 & SRT Normalization MovieHash Sync

1 Subtitle Languages

Pick the languages you want to appear in Stremio's subtitle menu.

1 selected

2 Subtitle Sources

All enabled sources are queried in parallel and deduplicated by release/hash score.

Wyzie & Stremio OpenSubtitles v3 Built-in • No Key Required

Instant zero-config subtitle lookup across community archives and Stremio's official OpenSubtitles v3 mirror.

OpenSubtitles REST API v1

Optional Key Get free key ↗

Queries the official OpenSubtitles.com REST API with exact video hash matching and regional language codes.

SubDL API

Optional Key Get free key ↗

High-coverage movie and TV season pack archive with automatic ZIP episode extraction.

3 AI Translation Fallback

When a stream has no subtitles in your language, RosettaSubs translates the best available track on the fly while preserving exact timestamps.

Translation Trigger AI Engine

AI Provider API Key Get Gemini key ↗

Model Override (Optional)

4 Formatting & Accessibility

Prevent broken accents, garbled characters, and unsupported subtitle formats in Stremio's player.

Normalize to UTF-8 SRT

Converts Windows-1252/Latin1/UTF-16 & VTT/ASS/ZIP archives into clean UTF-8 SubRip files.

Include Hearing Impaired (HI)

Keep subtitle tracks that include sound-effect descriptions and speaker cues.

Dual-Language Immersion Subtitles

Timestamp-aligns target language on top with your native reference language below.

Inline B2/C1 Idiom Annotations

Uses AI to append concise inline notes for non-literal slang or idioms on dual tracks.

Native Reference Language (Bottom Line)

5 Install in Stremio

Your configuration is encoded directly into your personal install link below.

Install in Stremio App Open in Stremio Web