YouTube & Shorts
Creators
Captions raise watch time and open videos to viewers watching on mute — without an evening of typing.
Closed 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.
Automatically produce accurate closed captions for your videos to improve accessibility. 98% accuracy.
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.
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.
- 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.
- 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.
- 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.
- 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
Closed Caption Generator Software powered by AI in 2026
In today's digital age, creating engaging and accessible content is more important than ever. As content creators strive to reach a wider audience, closed captioning has become an essential tool for ensuring that everyone can enjoy their videos. In this blog post, we will explore the benefits of using a closed caption generator and why it is crucial for content creators to incorporate this technology into their workflow.
What is a Closed Caption Generator?
A closed caption generator is a software tool that automatically generates captions for videos. These captions are synchronized with the audio and provide a text-based representation of the dialogue and sounds in the video. Closed captions are essential for deaf and hard-of-hearing viewers, as well as for viewers who speak a different language or are watching in a noisy environment. By using a closed caption generator, content creators can make their videos more accessible and inclusive.
Why Use a Closed Caption Generator?
There are several reasons why content creators should consider using a closed caption generator. First and foremost, closed captions improve the accessibility of videos. By providing text-based captions, content creators can ensure that their videos are accessible to a wider audience, including viewers with hearing impairments. Additionally, closed captions can improve the SEO of videos, as search engines can index the text and improve the discoverability of the content.
Another key benefit of using a closed caption generator is that it can save content creators time and effort. Manually transcribing videos can be a time-consuming and tedious process, especially for longer videos. By using a closed caption generator, content creators can automate the captioning process and focus on creating high-quality content.
Tips for Using a Closed Caption Generator
When using a closed caption generator, there are a few tips that content creators should keep in mind. First and foremost, it is essential to review and edit the automatically generated captions for accuracy. While closed caption generators are sophisticated tools, they may not always accurately transcribe dialogue and sounds. By reviewing and editing the captions, content creators can ensure that the final product is accurate and error-free.
Additionally, content creators should consider the placement and formatting of the captions. Closed captions should be easy to read and should not obstruct important visuals or text on the screen. By carefully formatting the captions, content creators can enhance the viewing experience for all viewers.
In conclusion, closed caption generators are powerful tools that can help content creators make their videos more accessible and engaging. By incorporating closed captions into their workflow, content creators can reach a wider audience and improve the overall quality of their content. If you are a content creator looking to enhance the accessibility of your videos, consider using a closed 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.
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