Add Subtitles to Video

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.

Effortlessly add subtitles to your videos, making them accessible to a wider audience. 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

Add Subtitles to Video Software powered by AI in 2026

When it comes to creating engaging and professional-looking videos, adding subtitles can make a significant difference. Whether you're a content creator, marketer, or filmmaker, understanding how to add subtitles to your videos can greatly enhance the viewing experience for your audience. In this blog post, we'll explore everything you need to know about how to add subtitles to video.

1. Why Add Subtitles to Video? Adding subtitles to your videos can have a multitude of benefits. Not only do subtitles make your content more accessible to a wider audience, including those who are deaf or hard of hearing, but they also improve viewer engagement and retention. Studies have shown that videos with subtitles receive higher view counts and longer watch times, ultimately leading to increased brand awareness and conversions.

2. How to Add Subtitles to Video There are several ways to add subtitles to your videos, depending on the software or platform you are using. One popular option is to use a dedicated subtitle or transcription tool, such as an AI subtitling tool SaaS startup. These tools utilize advanced technology to automatically generate subtitles for your videos, saving you time and effort in the process.

To add subtitles to your video using an AI subtitling tool, simply upload your video file to the platform and let the software do the rest. The tool will transcribe the audio in the video and generate accurate subtitles that can be easily edited and customized to suit your needs. Once you're satisfied with the subtitles, you can then export the file and add it to your video during the editing process.

3. Best Practices for Adding Subtitles When adding subtitles to your videos, it's important to keep a few best practices in mind. Firstly, make sure that the subtitles are accurate and synchronized with the audio to ensure a seamless viewing experience. Additionally, be mindful of the font size, style, and color of the subtitles to ensure they are easy to read on any device.

Another important consideration is to optimize your subtitles for SEO. By including relevant keywords in your subtitles, you can improve the discoverability of your videos on search engines like Google. This can help drive more traffic to your content and increase your overall online visibility.

In conclusion, adding subtitles to your videos is a simple yet effective way to enhance the viewing experience for your audience. By utilizing AI subtitling tools and following best practices, you can create professional-looking videos that engage and captivate viewers. So why wait? Start adding subtitles to your videos today and see the positive impact it can have on your content strategy.

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