YouTube & Shorts
Creators
Captions raise watch time and open videos to viewers watching on mute — without an evening of typing.
AI Auto 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. Accuracy averages 98%, and you can preview the first 15 minutes of any file free.
Automatically generate video captions by AI for your video in minutes. 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
AI Auto Video Caption Generator Software powered by AI in 2026
In today's digital age, content creators are constantly looking for ways to streamline their workflow and reach a wider audience. One tool that has been gaining popularity in recent years is the AI auto video caption generator. This innovative software uses artificial intelligence to automatically generate captions for videos, making it easier for content creators to reach a larger audience and improve accessibility for viewers.
What exactly is an AI auto video caption generator and how does it work? Essentially, this software uses advanced algorithms to analyze the audio in a video and transcribe it into text. The captions are then synchronized with the video, allowing viewers to easily follow along with the content. This can be especially helpful for viewers who are deaf or hard of hearing, as well as non-native speakers who may have difficulty understanding spoken language.
One of the key benefits of using an AI auto video caption generator is the time-saving aspect. Instead of manually transcribing videos, content creators can simply upload their content to the software and let it do the work for them. This not only saves time and effort, but also ensures accuracy and consistency in the captions.
Another important aspect to consider when using an AI auto video caption generator is the improved SEO potential. By providing captions for your videos, you are not only making your content more accessible to a wider audience, but you are also improving your search engine optimization. Search engines like Google can crawl and index your video content more effectively when it is accompanied by captions, leading to better visibility and ranking in search results.
In conclusion, an AI auto video caption generator is a valuable tool for content creators looking to enhance their videos and reach a larger audience. By automatically generating captions, saving time, improving accessibility, and boosting SEO, this software can help take your content to the next level. Consider incorporating an AI auto video caption generator into your workflow and see the benefits for yourself.
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