100% Browser-Based — No Install

# Create Viral Instagram Reels with AI Captions

Stop the scroll with word-level animations, custom fonts, and automatic emoji reactions designed for the Instagram feed.

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## Key Features

Word-Level Animation

Keep viewers hooked with high-retention captions that highlight each word as it is spoken, just like top creators.

99% AI Accuracy

Our advanced transcription engine handles niche terminology and accents, requiring minimal manual correction.

Instagram Style Presets

Apply 9:16 vertical layouts, custom brand fonts, and vibrant colors that match your Instagram aesthetic perfectly.

Export SRT or Burn-In

Hard-code your captions directly into your Reel for maximum compatibility or export SRT files for accessibility.

## How It Works

1. 1

   Upload to Browser

   Drag your 9:16 vertical video into the DevMotion editor. No software installation is required.

2. 2

   Auto-Generate Subtitles

   Select 'Auto Captions' and choose your language. Our AI transcribes your audio in seconds.

3. 3

   Style and Animate

   Choose a font, enable emoji support, and pick a sliding or popping animation style to match your brand.

4. 4

   Export for Instagram

   Download your video in 1080p high definition, ready to be shared directly to Instagram Reels or Feed.

## Use Cases

High-Retention Reels

Increase your average watch time by making your content accessible to the 80% of users who watch Instagram videos on mute.

Educational Feed Posts

Turn your 1:1 square tutorials into accessible learning moments with clear, legible text overlays.

Influencer Brand Deals

Deliver professional, polished sponsored content with consistent typography and perfectly timed call-to-actions.

## Frequently Asked Questions

How do I add captions to Instagram Reels without the app?

You can use DevMotion's browser-based editor. Upload your video, click 'Auto Captions', and the AI will generate styled subtitles that you can download and post to Instagram.

Does DevMotion support captions for 9:16 vertical video?

Yes, DevMotion is optimized for vertical video. You can easily position captions in the 'safe zone' to ensure they aren't covered by the Instagram UI elements like the caption or like button.

Can I use custom fonts for my Instagram subtitles?

Absolutely. On paid plans, you can upload your own brand fonts to ensure your Instagram Reels stay consistent with your visual identity.

Is there a watermark on free Instagram caption exports?

DevMotion allows you to export 720p videos with auto-captions for free with no watermark. For 1080p and 4K exports, you can upgrade to a Creator or Pro plan.

How accurate is the AI transcription for Instagram videos?

Our AI transcription reaches over 99% accuracy for clear audio and supports over 50 languages, including automatic emoji placement based on the context of your speech.

## Related Tools

Auto Cut for Instagram

Automatically remove silences and filler words from your Reels before adding captions.

Video Translation Tool

Reach a global audience by dubbing and captioning your Instagram content in 50+ languages.

DevMotion API

Scale your content production by programmatically generating captioned videos via our REST API.

## Add Captions Now

Free to start. No credit card required.

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