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Submagic is the best AIÂ tool to create captivating short-form videos in seconds for teams and businesses.
Free AI caption generator for effective social media
Automatically generate captions in 50+ languages with our caption generator—and reach a global audience fast with accurate video captioning.
Trusted by the best agencies & video editors across the world
Auto AI caption generator
Whether it’s long form or short form, content creators & influencers rely on captions to better communicate with their audience. 85% watch videos on mute across various social media platforms and this trend demands your content creation strategy to include engaging captions.
Automatically translate your captions in 50+ languages and widen your target audience.Download your transcript in various formats.
See pricing or try for free. No credit card required.
AI caption generator features
Import or upload
Upload your video or paste a YouTube URL and that’s it. Our AI is your social media expert who will find key moments and auto generate viral video clips for you.
Accurate subtitles
Auto caption videos in 50+ languages. Our subtitle generator has one of the highest accuracy ratings of all the AI tools. With accurate transcriptions, no more manually fix typos in your video content.
Caption library
Find the perfect caption style that matches your brand voice or edit a starter template. Add visuals, transitions & choose animation, & more to create compelling captions.
Multi-lingual
Automatically translate and generate captions into different languages. Appeal to a wider audience on various social media platforms and demolish language barriers and grow you global audience.
AI video editor
Streamline your editing to save hours each week. Content creators and editors love our video editor. Transitions, B-rolls, Gifs, your entire workflow, easily accessible—or can be automated.
Export
Export your AI generated video in high quality, ready for the world, without any watermark. Engaging videos have never been easier to create, at scale. Hashtags hook title, & descriptions are also auto generated, all you have to do is copy and paste.
More than automatic captions
More than just a powerful AI caption generator. Features built for video creators.
Auto Subtitles
Generate your subtitles in minutes. Add animated emojis, colors, and GIFs
Auto B-Roll
Add royalty-free B-Roll to your video or import your own clips in one click.
Auto Transitions
Create smooth transitions between
B-rolls, animate emojis with sound.
Auto Zoom
Generate 5-star transitions between clips to create dynamic videos.
Auto Cut
Remove all silence from your video with a wave of a magic wand.
Image & GIFs
Energize your video by adding images and GIFs with just one click
Sounds Effects
Add sound effects to create an atmosphere & highlight key moments.
Music Background
Add a music background to your video in seconds as the cherry on top.
Description
Generate a description & hashtags for optimizing your videos on social media.
Magic Clips
Create short, engaging video clips from your longer content with just a few clicks.
Clip Maker
Extract and enhance the best moments from your videos for maximum impact.
How AI caption generator works
Use our free AI caption generator to level up your social media—and scale your business.
Generate My Captions For FreeWatch Submagic demo
See how to use Magic Clips
1. Upload
Upload your video or paste a YouTube video link.
2. Magic
Ai powered tool automatically identifies key moments with high virality score & generates multiple clips.
3. Customize
Add social media captions, tweak clips, fonts, and its ready to share in just minutes.
Caption generator use cases
Captions are great for accessibility, SEO, and a host of other reasons.
Generate My Captions For FreePodcasts
Add captions to your entire podcast or short form content to make them more engaging.
Coaching
Add captions to your entire podcast or short form content to make them more engaging.
Tutorials
Add captions to your entire podcast or short form content to make them more engaging.
Marketing
Add captions to your entire podcast or short form content to make them more engaging.
Agencies
Add captions to your entire podcast or short form content to make them more engaging.
Demos
Create professional product demos to with captions that engage. Make those call to actions pop.
More use cases for Submagic
Frequently asked questions
How long should social media captions be?
Keep social media captions short, clear, and packed with a call to action, especially on TikTok and Instagram. Use emojis and hashtags to boost engagement.
How to use an auto caption generator?
Upload your video, select the language, and the AI tool will generate automatic captions in seconds—perfect for streamlining your content creation workflow.
Can I edit the generated captions?
Yes, most caption generators let you edit, format, and optimize captions to match your brand voice and social media strategy.
Is the Instagram Caption Generator free to use?
Many Instagram caption generator tools are free and don’t require a credit card—great for influencers and social media management teams. Submagic autogenerates Instagram captions.
What are the best AI tools for generating social media captions?
Top AI tools include Submagic, Jasper, and CopyAI. They help generate high-quality, SEO-friendly social media captions and streamline your workflow.
What are the best AI caption generators available?
Submagic, VEED, and Kapwing offer top-tier AI caption generators for video captioning, subtitle generator features, and engaging captions in multiple formats.