Upload a video and get it back with subtitles burned in, plus an SRT file you can upload to YouTube or open in any editor. Subtitles can be translated in the same job.
Need something else? More Captions & Text tools or all 43 tools
A subtitle generator is a tool that turns the speech in a video into timed subtitles without you typing anything. On Trendai.video you upload an MP4, MOV or WEBM up to 10 minutes, and the AI transcribes it with a timing for every word. You get two files: the video with subtitles burned into the picture, and an SRT subtitle file with the same timings. Pick one of 13 languages, or let the AI detect it, and translate the subtitles if you need them in another language.
Sign in and upload an MP4, MOV or WEBM with speech, up to 200 MB and 10 minutes. The subtitle generator needs a sound track with spoken words.
Pick the speech language or keep Detect automatically. Choose a translation if you want subtitles in another language, then check the style, position and case.
Press Add captions. In a few minutes the subtitled MP4 and the SRT file are saved in My Videos, ready to download.
The burned-in MP4 is ready to post anywhere, even on apps that can't load subtitle files. The SRT is a plain text file of numbered lines with start and end times, the format YouTube, most video players and editors accept as a subtitle track.
Words are grouped into short lines of two to four, broken at commas, full stops and pauses of half a second. Each subtitle stays on screen exactly while those words are spoken, so viewers never read ahead of the speaker.
This page starts on Bold white: large white text with a black outline that reads over dark and light footage alike. You can switch to Boxed, Minimal or one of the word-by-word styles in the form before you run the job.
Choose a language in Translate captions to and every line is translated while keeping its original start and end time. The burned-in video and the SRT both come back in the new language.
Subtitles sit at the bottom by default, inside a safe margin. Move them to the top when the bottom of the frame has on-screen text, a lower third or a product shot you don't want covered.
Manual captions mean transcribing, timing every line and styling it. The AI does all three in one job.
| Feature | AI Caption Generator | Typing captions by hand |
|---|---|---|
| Transcription | Speech written out word by word, in 13 languages or auto-detected | Type out every word while replaying the clip |
| Timing | Each word timed to the speech, in short lines of two to four words | Drag every caption into place on a timeline |
| Styling | Six ready caption styles burned into the video | Build a caption style and copy it to every line |
| Translation | Translate the captions in the same job | A translator, then timing the new text again |
| Output | A captioned MP4 plus an SRT subtitle file | Export captions and video separately |
| Price | 15 credits per started minute | Your time, or a per-minute transcription service |
A 9-minute vlog or tutorial gets more watch time when viewers can turn subtitles on. YouTube takes an SRT file as a subtitle track.
A family recording in Turkish or a Spanish cooking lesson can be shared with English-speaking friends or viewers.
A recorded class or a team update shared in a chat is often watched with the sound off, in an office or on a train.
Creators who want an SRT for every upload and a subtitled version for clips, without typing a transcript.
People recording lessons who want students to read along, in the original language or a translated one.
Anyone sharing a video in one language with relatives or friends who speak another.
People posting product demos, updates and how-tos for their brand that must make sense on mute.
Upload the video, choose the speech language or auto detect, and press Add captions. The AI transcribes the speech and returns a subtitled MP4 and an SRT file.
Yes. Every job includes an SRT file with the same timings as the burned-in subtitles.
In YouTube Studio, open the video, go to Subtitles, choose to upload a file with timing and select the SRT. Viewers can then turn the subtitles on or off.
15 credits per started minute of video, plus 5 credits if you translate. A 10-minute video costs 150 credits, or 155 with translation.
13 speech languages, or automatic detection: English, Turkish, Spanish, Portuguese, French, German, Italian, Arabic, Hindi, Japanese, Korean, Indonesian and Russian. Subtitles can be translated into any of the same 13.
The job always makes a burned-in MP4, but the SRT file is separate. Use only the SRT if you want subtitles viewers can switch off.
None in how they're made. This page starts with a plain Bold white subtitle look; the same tool also has word-by-word caption styles for short-form posts.
Up to 10 minutes and 200 MB, in MP4, MOV or WEBM. For a longer recording, split it into parts and subtitle each one.
Yes. Sign in with Google or email; each job costs credits from your balance, and the result is saved in My Videos.
If a job can't finish, the credits it used go back to your balance automatically.
Word-by-word captions for any video, in 6 styles, with translation. 15 credits / min, and the result is saved in My Videos.
