Video Caption Generator

Upload a video or paste a public link and Subanana generates timed subtitles automatically, with speakers identified and punctuation restored. Export as SRT, VTT, TXT, DOCX, XLSX, Markdown — or burn the subtitles into the video — and translate the same file into any of 95+ languages. Cantonese is a core language rather than an afterthought, including mixed Cantonese-English within a single sentence. Accuracy averages 98%, and you can preview the first 15 minutes of any file free.

Automate the creation of video captions to boost engagement and comprehension with our AI. 98% accuracy.

  • HKU
  • HKTV
  • BEA
  • HKSTP
  • Hong Kong Disneyland
  • HK01
  • Snapask
  • Sky Post
  • USC
  • Greenpeace
  • HKU
  • HKTV
  • BEA
  • HKSTP
  • Hong Kong Disneyland
  • HK01
  • Snapask
  • Sky Post
  • USC
  • Greenpeace

How a video gets its subtitles

Product walkthrough

MP4 · 12:40 · uploaded

Upload a video or paste a public linkCues timed and sized for comfortable reading

Subtitle track

00:12

Here's the dashboard you'll see after signing in.

00:47

Every change you make is saved as you go.

Subtitle files

SRT · VTT

Bilingual subtitles

Two languages in one file

Burned-in video

Rendered up to 4K

Text formats

TXT · DOCX · XLSX · Markdown

Translations

95+ languages

Why the subtitles come out ready to publish

The distance between a raw transcript and a publishable caption file is where the hours go. This is what closes it.

Cues built for reading speed

  • Reading-speed flagsCues too dense to read comfortably are flagged in the editor before anyone else sees them.
  • Style presetsSave your subtitle style once and apply it to every video in the workspace.
  • Live previewFont, size, colour and position, adjusted on the actual frame while you watch.
  • Sizing that adaptsLong lines stay on screen instead of running past the edge of the frame.

Every file the platform asks for

  • SRT and VTTThe two standard caption formats, per language, ready to upload.
  • Bilingual in one passSource and translation in a single subtitle file — or burned in together.
  • Burned-in video up to 4KA finished subtitled video, rendered with exactly the style you previewed.
  • One ZIPEvery format in a single download when you need them all at once.

Who ships subtitles with this

Four teams, one deadline shape: the video is done and the captions are the last thing standing.

YouTube & Shorts

Creators

Captions raise watch time and open videos to viewers watching on mute — without an evening of typing.

E-learning

Course teams

Every lesson gets accurate, consistently styled captions, and translations for cohorts in other languages.

News & media

Publishers

Clips go out subtitled on schedule, with a house style saved once and applied to every edit.

Campaigns

Brand & social teams

Campaign cuts ship in every market's language, styled to brand and rendered ready to post.

How to add subtitles to a video

Upload the file or paste a link, check the result in the editor, then export the format your platform expects. No software to install.

  1. Upload the video or paste a linkCommon audio and video files work directly, up to 8h and 30GB per file on all plans. Public YouTube, Instagram and Facebook links can be pasted instead of downloading first.
  2. Choose the language and any translationsPick the spoken language, then add target languages if you publish in more than one. Translation currently costs no extra minutes.
  3. Let the AI cut the subtitlesSpeakers are identified automatically and punctuation and line breaks are restored, so the cues read as sentences rather than as a stream of words.
  4. Review and exportFix anything in the editor, then export SRT, VTT, TXT, DOCX, XLSX, Markdown — or a bilingual SRT, or the video with the subtitles burned in.

What you get with every subtitle job

The specifics, so you know before you upload whether it fits your workflow.

Input
Audio and video files, or a public YouTube / Instagram / Facebook link
Languages
95+, with translation into any of them
Speaker labels
Automatic, with the speaker count set manually or detected
Export formats
SRT, VTT, TXT, DOCX, XLSX, Markdown, bilingual SRT, or burned-in video
File limits
8h and 30GB per file on all plans
Free tier
Preview the first 15 minutes of each file, 3 files a month

Video Caption Generator Software powered by AI in 2026

Video Caption Generator: Everything You Need to Know

In today's digital age, video content has become one of the most popular forms of communication. With the rise of platforms like YouTube, TikTok, and Instagram, more and more people are creating and consuming video content than ever before. However, for those who are deaf or hard of hearing, or for those who speak a different language, understanding video content can be a challenge. This is where video caption generators come in.

What is a Video Caption Generator?

A video caption generator is a tool that automatically generates captions for video content. These captions can be in the form of subtitles that are displayed on the screen while the video is playing, or they can be in the form of a transcript that is displayed alongside the video. Caption generators use speech recognition technology to transcribe the audio in the video into text, making it accessible to a wider audience.

Why Use a Video Caption Generator?

There are several reasons why content creators should consider using a video caption generator for their videos. First and foremost, captions make your content more accessible to a wider audience. By providing captions, you are ensuring that those who are deaf or hard of hearing can still enjoy and engage with your content. Additionally, captions can also make your content more discoverable, as search engines can crawl the text in your captions, improving your SEO ranking.

Another reason to use a video caption generator is for localization purposes. If you have a global audience, providing captions in multiple languages can help you reach a wider audience and increase engagement with your content. Additionally, captions can also improve the overall user experience of your videos, as they can help viewers follow along with the content, even in noisy or distracting environments.

Best Practices for Using a Video Caption Generator

When using a video caption generator, there are a few best practices to keep in mind. First and foremost, it's important to ensure that the captions are accurate and error-free. While speech recognition technology has come a long way, it's not perfect, so it's always a good idea to review and edit the captions before publishing them.

Additionally, it's important to consider the timing and placement of the captions. Captions should be timed to appear at the same time as the corresponding audio, and they should be placed in a way that doesn't obscure important visual elements on the screen. Finally, it's also a good idea to optimize your captions for SEO by including relevant keywords and phrases that are related to the content of your video.

Conclusion

In conclusion, video caption generators are a valuable tool for content creators looking to make their videos more accessible, discoverable, and engaging. By providing accurate and error-free captions, content creators can reach a wider audience and improve the overall user experience of their videos. So, if you're looking to take your video content to the next level, consider using a video caption generator today.

Questions we getFrequently asked questions

Accuracy averages 98%. Recording clarity, background noise and specialist vocabulary all affect the result — adding a glossary of names and terms measurably improves how proper nouns are handled.

SRT, VTT, TXT, DOCX, XLSX, Markdown, or all of them at once as a ZIP. You can also export a bilingual SRT with the original and translated lines together, or a video with the subtitles burned in.

Yes. Paste the public video link and Subanana fetches it directly — regular uploads and Shorts both work. Private, members-only and region-locked videos need a file upload instead.

You can preview the first 15 minutes of each file free, 3 files a month, with no card required. Exporting subtitle files is a paid feature.

Yes. Speakers are separated automatically, and you can either set the number of speakers yourself or let it be detected.

No. Recordings, transcripts and subtitles are never used to train models, in any processing mode. Files are stored encrypted and every access is logged.

Updated 2026-04-10