Auto Subtitle Generator Online with AI
Automatically generate engaging subtitles with AI in any language to boost accessibility and video engagement.
Generate subtitles now
Automatically generate AI subtitles to expand your video reach
With the AI subtitle generator, you can streamline your workflow and reduce manual work. Accurate subtitles and dictionary customization will allow you to reach a broader, more diverse audience easily.
Generate subtitles nowGenerate AI subtitles in seconds
Adding subtitles to your video content can be tedious. However, with AI automation, you can generate accurate subtitles in mere seconds, allowing you to publish your polished content faster.


Improve accuracy with a smart dictionary
Frustrated that other AI subtitle generators spell your niche terms and brand names incorrectly? The Submagic AI subtitle generator continuously improves transcription with dictionary customization, tailoring to your unique needs. With flexible customization, you get accurate subtitles perfectly aligned with your specific content and brand vocabulary.
Optimize your workflows for efficiency
AI-powered automated subtitle generation frees up your time for other creative tasks and minimizes the need for manual transcription. The one-click “Generate Captions” button enables subtitle generation upon the initial upload of your video, helping simplify your workflows and maximize efficiency.

How to auto generate subtitles?
Submagic is the simplest and fastest way to create engaging subtitles.
Create subtitles in 3 steps to make your video accessible to all audiences.

1. Upload your video
Upload your long-form video to Submagic or simply paste a YouTube video link.

2. Edit Your subtitles
Customize captions with colors, emojis, fonts, and animations. See edits in real-time with our AI subtitle generator.

3. Export your video
Click on 'Download' to export your video with subtitles.
Fully customize your subtitles to make them perfectly fit your style
Submagic offers fast & accurate AI-powered subtitle generation, 28 preset customizable styles, and a custom dictionary for accurate niche terms.
Generate subtitles now
Convert speech to text with AI
Streamline your editing process and generate accurate subtitles with speed and efficiency using advanced AI.


Choose from 28 customizable subtitle styles
Choose from 28 caption styles like "Daniel," "Hormozi," and "Leon," and customize fonts, colors, and more.


Fine-tune captions with manual edits
Improve AI transcription accuracy for specific terms and brand names using the user-customizable dictionary feature.

Subtitle Generator in Other Languages :
Explore more features from Submagic

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.
Frequently asked questions
How can I change my subtitles' font, animation style, size, and colors?
You'll find two dedicated sections in the editor: "Subtitle" and "Design." The "Subtitle" section lets you easily edit your subtitles, add lines, delete words, and more. The "Design" section lets you choose colors, add emojis, and manage subtitle size and animation style. These intuitive, user-friendly features make creating your own perfectly styled subtitles a breeze.
What is the best auto subtitle generator?
We’ve compared 10 other subtitling tools, and here’s our final answer!  Submagic is the best FREE AI subtitle generator available online.
Which languages does Submagic support for my subtitles?
Submagic supports subtitles in 50 languages with top-notch accuracy. From commonly spoken languages like English and Spanish to less widespread ones like Tamil and Thai, our platform ensures your content is accessible to a diverse global audience.
What are the differences between subtitles, closed captions, and hardcoded subtitles?
Subtitles, closed captions, and hard-coded subtitles all provide text-based content for audiovisual media, but their implementation differs.
Subtitles:
- Display translated or transcribed text.
- Intended for viewers who understand the language spoken.
Closed Captions:
- Include additional accessibility features like sound effects and speaker identification.
- Cater to hearing-impaired audiences.
- Can be toggled on or off during playback.
Hard-Coded Subtitles:
- Permanently embedded in the video.
- Cannot be toggled off during playback.