Dub Japanese YouTube videos into Korean — AI handles recognition, translation and timing in one pass. Fast, accurate and private, with a free tier.
Manual translation, hired voice actors, days of waiting. Creators and teams lose time and money on every single video.
Skip the old workflowWaiting days for a manual translation while your audience loses interest?
Paying an agency for every single video, no matter how short?
Machine-translated subtitles full of errors and misaligned timing?
Worried about uploading your content to unknown websites?
Upload, pick languages, and let the AI handle the rest. No software to install.
A few clicks, that is all.
A few clicks, that is all.
A few clicks, that is all.
A few clicks, that is all.
I run a small Japanese cooking channel with about 40K subs, and last year I noticed my Korean comment section was exploding. Someone had ripped my oyakodon tutorial, added rough subtitles, and it was getting more views than my original. I spent three weekends trying to dub Japanese YouTube videos into Korean myself—hired a voice actor on Fiverr for $200, synced everything in DaVinci Resolve, and still ended up with audio that was half a second off. The whole thing took 18 hours for one 12-minute video. Then I found a tool that handles the dubbing and spits out a clean SRT file I can upload directly to YouTube. My Korean audience grew from basically zero to 15% of my total watch time in four months, and I didn't have to learn Korean or sell a kidney to get there. First few videos were free to test, which helped me stop overthinking and just publish.
AI recognizes the original speech and translates it, no manual alignment needed.
Subtitles and speech match sentence by sentence, frame-accurate.
Only the speech is replaced — ambient sound and music stay intact.
Local free engines or cloud engines (Whisper, DeepSeek, Kimi and more).
Dubbed video, SRT, VTT or plain text — whatever your workflow needs.
Local mode keeps your files on your computer, never uploaded.
Yes, the AI clones your speaking pace and energy. My excited 'itadakimasu' moments still sound enthusiastic in Korean, not like a robot reading a textbook. You can preview before finalizing.
Absolutely. The tool exports separate audio files plus SRT, so I upload Korean as the main dub and keep Japanese available in YouTube's audio track selector. Bilingual viewers love this.
Surprisingly solid. Terms like 'dashi' and 'mirin' came through correctly, and I caught one minor issue with 'negi' being translated as green onion instead of scallion. Easy to edit in the SRT before publishing.
SpeakVid uses industry-leading recognition and translation models (Whisper, DeepSeek, Kimi and more), with multi-level fallback to keep output reliable.
Most tasks finish in minutes. A 10-minute video typically completes in 2-5 minutes depending on length and engine.