Reels & Shorts
Auto Caption Generator
Add word-synced animated captions to vertical Reels, Shorts, and TikTok videos.
- Input
- Vertical video with clear speech
- Output
- 9:16 captioned MP4
- Limit
- Up to 90 seconds
Turn video, audio, scripts, or photos into captioned Reels, YouTube videos, explainers, promo clips, and clean studio audio. Choose the dedicated studio built for your exact output.
Start with your content
Export the format you need
Every studio has its own required inputs, controls, limits, processing stages, and output format. Pick the goal first—then upload only what that workflow needs.
Vertical social video
Five focused workflows for vertical social reels, captions, and explainers.
Reels & Shorts
Add word-synced animated captions to vertical Reels, Shorts, and TikTok videos.
Reels & Shorts
Create a side-by-side comparison with two images, narration, captions, and winner emphasis.
Reels & Shorts
Turn spoken explanations into structured whiteboard scenes synchronized to the narration.
Reels & Shorts
Make speech the visual with high-energy kinetic words, emphasis effects, and synced sound design.
Reels & Shorts
Promote a widescreen YouTube video with its thumbnail, title, creator handle, and CTA layout.
Widescreen video
Four workflows for long-form video, viral clips, widescreen subtitles, and faceless videos.
YouTube & Widescreen
Burn clean professional subtitles into widescreen podcasts, tutorials, interviews, and lectures.

YouTube & Widescreen
Find strong moments in a long-form video or podcast and turn them into viral captioned clips.
YouTube & Widescreen
Synchronize narration with your uploaded photos or curated visuals using cinematic camera motion.
YouTube & Widescreen
Build a widescreen YouTube video from narration with planned scenes, motion, captions, and music.
Audio production
One studio for transcript review, retake removal, and audio mastering.

Audio
Review the transcript, detect retakes and filler words, then export clean studio-ready audio.
The top-level journey stays simple, while every studio uses its own inputs, controls, processing stages, and output rules.
Select the dedicated studio for captions, explainers, clips, YouTube video, image storytelling, or audio cleanup.
Each studio asks only for the video, audio, script, photos, or thumbnail required by that workflow.
Review the relevant style, pacing, captions, layout, and credit cost before generation.
Follow workflow-specific progress stages while Google Cloud creates the final video or audio file.
You choose the outcome first. The dedicated studio then exposes only the controls and processing stages relevant to that output.
Compare all studiosA comparison reel should not use the same interface or processing stages as a promo, caption reel, or audio cleanup job.
Every studio explains its required input, output format, limits, progress stages, and estimated credit cost.
English audio stays English. Hindi and Hinglish speech can produce clean Roman Hinglish captions.
Uploads and generation run through Google Cloud services, so creators do not need editing hardware or local rendering.
Create Reels, YouTube videos, subtitles, explainers, clips, and clean audio with purpose-built studios.No surprise fees · Credits are valid for 30 days · Top up when needed
Try Itnavideo with zero risk. No credit card required.
✓ No credit card required
For creators publishing viral vertical Shorts & Reels.
✓ 50 credits valid for 30 days
Best value for full-time creators & YouTube channels.
✓ 150 credits valid for 30 days
High-volume studio power for agencies & multi-channel creators.
✓ 600 credits valid for 30 days
Everything you need to know about our AI video workflows, cloud rendering, and plans.
Itnavideo is an AI video creation platform with 10 purpose-built studios. Each studio has its own required inputs, controls, limits, processing stages, and output format instead of forcing every project through one generic pipeline.
See the required inputs, output format, duration limit, and estimated credit cost before you generate.