Top video stays visible
The source video remains in the top 16:9 layer so the viewer can still see the creator or original clip.
AI subtitle generator
AI Subtitle Generator for Reels and Shorts
Make subtitles readable, premium, and synced to the spoken content.
Itnavideo combines subtitles with video and scene visuals, not just plain caption text.
Three-layer explainer
Every render uses top media, premium subtitles, and bottom scene visuals for a clean reel structure.
Scene-aware visuals
The planner uses English transcript and asset briefs to pick images that match each scene.
Best for
Use AI subtitle generator when the message needs to be understood fast.
Itnavideo is focused on one strong Explainer Video template first, so the output stays consistent and easy to test.
Creators
educators
social media teams
YouTubers
agencies
Use cases
What you can create
Talking videos
educational clips
business tips
voiceover reels
short explainers
Workflow
From upload to MP4
1
Upload audio or video with clear speech.
2
Itnavideo transcribes the speech and builds timed subtitle chunks.
3
The planner creates 10 content-matched scenes for the Explainer Video template.
4
The renderer exports a vertical MP4 for Reels, Shorts, and mobile sharing.
Questions about AI subtitle generator
What is the best way to use a AI subtitle generator?
Start with a short source video or voiceover, keep the speech clear, and let Itnavideo create a polished vertical explainer with subtitles and matching scene visuals.
Can I use my own video or audio?
Yes. Itnavideo is built around real uploaded audio or video so the final reel follows your actual transcript instead of generic demo text.
Is this made for YouTube Shorts and Instagram Reels?
Yes. The current template is a 9:16 Video Explainer layout with top video, middle subtitles, and bottom scene visuals.
Related AI tools
Explore more Itnavideo workflows
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