Subtitles & translation are free — dubbing requires a license.




Video autoplays muted — click the speaker button to unmute.
Switch between modules right from the sidebar — everything runs 100% locally.
Paste a URL or upload → transcribe → translate into Vietnamese → dub with a studio-grade HD voice (or your cloned voice) → burn in subtitles → export 16:9 / 9:16.
Automatically finds the "clip-worthy" moments in long videos → exports multiple short clips and auto-generates titles from the content.
Type a topic or script → AI directs the scenes, builds vector motion graphics + Vietnamese narration. Explainer videos on autopilot.
One complete pipeline from URL to dubbed video — no stitching tools together.
YouTube, TikTok, Facebook, Instagram Reels, Vimeo, X — 1800+ platforms. Or upload / record your own.
AIECOS ASR Engine with word-level timestamps and speaker detection. 99 languages, auto-detected.
AIECOS Translate Engine works per segment, keeping timestamps intact. Vietnamese, English, Chinese, Japanese, Korean…
6 studio-grade HD voices (Northern & Southern accents, male & female) + an offline voice. One consistent voice throughout, even volume, original audio preserved. Clone a voice from a 5-second sample. Plug in your own API keys to add 9 Vietnamese FPT.AI voices + 6 English ElevenLabs voices.
SRT/VTT, smart-split into ≤2 lines, burned in Netflix-style with a TikTok-safe area.
Export 16:9 for YouTube or 9:16 (crop / blurred background) for TikTok, Reels, and Shorts.
Install the Chrome extension → open any YouTube video → turn on Vietnamese subtitles + HD-voice dubbing right in the browser, no download required. Subtitles are free; dubbing uses HD voices (license required).
AI listens to the speech, then translates & displays synced Vietnamese subtitles — even when the video has no captions at all.
Reads over the video in a Vietnamese HD voice, with adjustable original-audio volume — like listening to a Vietnamese podcast.
The extension ships with the app → enable it in Chrome → done. Runs alongside the local app on your machine.
Hit PROCESS once — the whole pipeline runs itself.
Our own AI engine stack — optimized for Vietnamese, running 100% on your machine.
Leave your details to receive the download link & get AIECOS support activating your license.