YouTube & Shorts
Creators
Captions raise watch time and open videos to viewers watching on mute — without an evening of typing.
Portuguese Subtitle 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.
Generate Portuguese subtitles with precision, catering to audiences in Portugal and Brazil. 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
Portuguese Subtitle Software powered by AI in 2026
When it comes to creating subtitles for videos, one of the most important considerations is ensuring that they are accurate and easy to read. This is especially true when it comes to translating subtitles into different languages, such as Portuguese. In this blog post, we will explore everything you need to know about Portuguese subtitles and how they can benefit your content creation process.
Portuguese subtitles are a valuable tool for content creators who want to reach a wider audience. By providing subtitles in Portuguese, you can make your videos accessible to Portuguese-speaking viewers who may not be fluent in the language in which the video was originally created. This can help increase the reach of your content and attract new viewers who may not have found your videos otherwise.
One of the key benefits of using Portuguese subtitles is that they can help improve the SEO of your videos. By including Portuguese subtitles, you can make your videos more discoverable to Portuguese-speaking audiences who are searching for content in their native language. This can help improve the visibility of your videos on platforms like YouTube and attract more viewers to your channel.
In addition to improving the SEO of your videos, Portuguese subtitles can also help improve the overall user experience. By providing subtitles in Portuguese, you can make your videos more accessible to viewers who are deaf or hard of hearing, as well as those who prefer to watch videos with the sound off. This can help increase the engagement and retention of your viewers, leading to a more successful content creation strategy.
When it comes to creating Portuguese subtitles, there are a few key considerations to keep in mind. First and foremost, it is important to ensure that the subtitles are accurate and reflect the content of the video accurately. This can help prevent confusion and ensure that viewers are able to follow along with the video easily.
Additionally, it is important to consider the timing and placement of the subtitles on the screen. Subtitles should be timed to appear at the same time as the corresponding dialogue in the video, and should be placed in a way that is easy to read and does not obstruct important visual elements. This can help ensure that viewers are able to engage with the content seamlessly and enjoy a positive viewing experience.
Overall, Portuguese subtitles are a valuable tool for content creators who want to reach a wider audience and improve the accessibility of their videos. By including Portuguese subtitles in your content creation strategy, you can improve the SEO of your videos, enhance the user experience, and attract new viewers to your channel. So, next time you are creating video content, be sure to consider including Portuguese subtitles to make your videos more accessible and engaging for Portuguese-speaking audiences.
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