podstr.cc

AI subtitle translation — TV shows, movies, videos

Podstr translates video subtitles to any language using AI models (Claude, Gemini, DeepSeek and others). Works directly in your browser — no server needed, no account required. HOW IT WORKS Install the extension Open a video with subtitles on a supported site A language picker appears above the video — choose your language Subtitles appear over the video while you watch SUPPORTED PLATFORMS • YouTube — manual CC subtitles (auto-generated ASR filtered out) • BBC iPlayer — series and documentaries (TTML) • ARTE — European cinema and documentaries • RaiPlay — Italian RAI TV (SRT) • Plex, Filmzie — media streaming • Any site with HLS/.vtt/.srt/.ttml subtitles — enable per site in popup FEATURES • 30 translation languages • Multiple AI models — choose by quality and price. Free models available • Translation cost displayed on the video after each translation • Auto-retry — skipped lines are retranslated automatically • Smart cache — translated subtitles load instantly on repeat viewing • Shared cache — if someone already translated an episode, you get it free • Progress bar — watch while translation runs in background • Keyboard shortcut (B) — toggle subtitles on/off • Subtitle styling — size, color, background, position • Works offline after first translation YOUR API KEY, YOUR CONTROL Podstr uses the OpenRouter API. You bring your own API key — it stays on your device, never leaves your browser. Typical cost: $0.005–0.05 per episode depending on the model. Get a free API key at openrouter.ai/keys PRIVACY • API key stored locally — never synced or sent to any server • No tracking, no analytics, no ads • Subtitle text sent only to the AI provider you choose • Open source: github.com/aveleazer/podstr PERMISSIONS • "Read and change all your data on all websites" — needed to intercept subtitle streams from video CDNs and inject the overlay • "activeTab" — needed to detect the current page and activate the picker 13 interface languages: English, Russian, Ukrainian, Belarusian, Serbian, Spanish, French, German, Portuguese, Chinese, Japanese, Korean, Turkish. Website: podstr.cc Support: hello@podstr.cc