Synthesia AI Video Generation: Learn the Future of Storytelling

Synthesia AI empowers anyone to make studio-quality videos in minutes. This article discusses the benefits and how to use the Synthesia AI video generation platform effectively. We will also discuss CapCut for AI video production.

Synthesia ai video generation
CapCut
CapCut
Oct 13, 2025
11 min(s)

Synthesia AI makes storytelling smarter and more accessible than ever before. This article discusses the key features and how to use Synthesia AI video generation to make studio-quality AI videos. We will finish off the article with a comparison between Synthesia and the top tool, CapCut, on multiple factors and offer some pro tips to generate eye-catching AI videos. CapCut is an excellent software for generating AI video content, with features like image-to-video, text-to-video, and an AI video maker to create AI videos. After you generate an AI video, you can enhance it using advanced editing tools such as filters, effects, stickers, animations, and speed editing methods.

Table of content
  1. Synthesia AI: A brief introduction
  2. Key features of Synthesia AI
  3. How to use the Synthesia AI video generator
  4. CapCut: Offline alternative for AI video generation with 3 methods
  5. Syntesia AI vs CapCut: A brief comparison
  6. How to generate a great video with AI - tips offered
  7. Conclusion
  8. FAQs

Synthesia AI: A brief introduction

Synthesia AI hails as a cutting-edge video generation platform that leverages AI technology to create avatars and voiceovers that are hyper-realistic and lifelike. It offers brands the ability to create high-quality videos all without the use of actors, cameras, or studios, thus making video production more affordable and easier to coordinate than ever. For businesses, marketers, and educators, it is equally beneficial and supports 120+ languages for a truly global reach. Additionally, Synthesia has a user-friendly interface, which allows you to create engaging, educational, or informative stories in a fun and engaging manner.

Synthesia AI

Key features of Synthesia AI

  • AI-powered avatars: Synthesia AI video generation supports over 150 life-like avatars that can speak and act naturally, replacing the need to hire actors. These AI avatars give a human touch to digital content.
  • Multilingual voiceovers: Synthesia AI supports over 120+ languages and accents, enabling creators to produce videos for a larger audience. Its AI voices sound natural, without requiring the hiring of actors or presenters.
  • Custom avatar creation: Synthesia enables individuals to create personalized avatars that replicate their likeness, making videos feel authentic and brand-specific. This feature makes it perfect for branding and consistent storytelling.
  • Text-to-video conversion: Users can generate a complete AI video within minutes by simply typing or pasting a script. This not only saves time but also reduces costs and the need for filming equipment.
  • Easy video editing: Synthesia contains a built-in editor, providing quick adjustments, like adding text, images, and background music. It simplifies the process, allowing you to create high-quality videos without needing advanced editing skills.

How to use the Synthesia AI video generator

    STEP 1
  1. Plan and write your script

Begin by preparing a clear and concise script, which clearly outlines what your video will communicate. Since Synthesia AI video generation works on text-to-video, your script will serve as the basis for the entire video. So, make it highly structured and tailored to your specific audience.

Plan and write your script
    STEP 2
  1. Choose a video template or start from scratch

Once you have logged in, browse through Synthesia's extensive library of pre-made templates, designed for marketing, training, or corporate videos. If you prefer complete editing control, you can start with a blank canvas and build the video step by step.

Choose a video template or start from scratch
    STEP 3
  1. Choose a suitable AI avatar

Next, select an AI avatar that aligns with the purpose and tone of your AI video. Synthesia offers over 150 realistic avatars. You can also create a custom avatar for a more personalized touch.

Choose a suitable AI avatar
    STEP 4
  1. Add visuals, animations, and music

Enhance your video by incorporating various types of text, images, icons, and background music. You can also add different animations and adjust the layouts using Synthesia's editor, making your videos more interactive and professional.

Add visuals, animations, and music
    STEP 5
  1. Generate and publish the video

Finally, review all the elements and click the "Generate" button. Within a few minutes, Synthesia will render a complete AI-generated video. Once the video is ready, you can download it, share it directly, and publish it across various social media platforms.

Generate and publish the video

Synthesia AI video generation is a powerful tool for AI-generated video. However, its main limitation is that it offers limited advanced manual editing and is only available online. If you want a feature-rich Desktop alternative for creating AI-generated videos, choose CapCut.

CapCut: Offline alternative for AI video generation with 3 methods

CapCut is a versatile video editing software, renowned for its powerful editing and AI-powered features. It simplifies AI video generation by offering features such as text to video, image to video, and an AI video maker, enabling you to generate eye-catching videos quickly. You can further enhance the video using CapCut's powerful editing features, like filters, effects, stickers, animations, and speed adjustment options. Download CapCut today and utilize its advanced editing features to create high-quality AI videos with minimal effort.

Key features

  • Image to video: Convert static images into dynamic videos using AI models, such as Video 4.0, Video 3.0 Frames, and Video 2.0, for smooth motion effects.
  • Text to video: Use CapCut's text-to-video feature to convert text prompts into attractive videos, utilizing AI models like Video 4.0 and Video 3.0 Frames.
  • AI video maker: Generate videos in different styles, from professional to creative, making it easy to match the content with your brand's tone.
  • Script to video: Use the script to video feature to transform your script into attractive AI-generated videos within minutes.
  • Powerful editing features: Enhance your AI video with a variety of filters, effects, stickers, animations, speed adjustment options, and noise reduction to make the videos visually appealing.

Method 1: Generate a video using the Instant AI video tool

    STEP 1
  1. Access the AI video maker

Open CapCut and click the "AI video maker" feature, present on CapCut's homepage.

Accessing the AI video maker in CapCut
    STEP 2
  1. Enter text prompt

Next, select the "Instant AI video" option and write your desired text prompt in the provided text box. Next, click the "Create" button to generate the AI video. Ensure that the text prompt is descriptive and clear.

Entering text prompt in CapCut
    STEP 3
  1. Edit the generated video

Once the AI video has been created, you can edit the script, scenes, elements, and add background music of your own choice. Click the "Edit more" in the top-right corner to enhance the videos with filters, effects, stickers, frames, and shapes.

Editing the generated video in CapCut
    STEP 4
  1. Export AI video

Once satisfied with the AI video, click the "Export" option in the top-right corner of the screen and select your desired format, frame rate, and resolution. Finally, click the "Export" button to save the AI video to your device.

Exporting the AI video in CapCut

Method 2: Convert text prompt to a video using the AI media tool

    STEP 1
  1. Access the text-to-video feature and write text prompt

First, open CapCut and create a new project. Next, select the "Media" option from the top-left toolbar and choose "AI video" under the "AI media" section. Next, select the "Text to video" option, enter your text prompt, choose a model, and click the "Generate" button to create the AI video.

Access the text to video option and write your prompt
    STEP 2
  1. Edit the AI-generated video

Once the AI video has been generated, edit it with various filters, effects, stickers, and animations to enhance its appeal. You can also use the speed adjustment options and edit other video and audio aspects to make the video eye-catching.

Editing the AI-generated video in CapCut
    STEP 3
  1. Export the AI video

Once satisfied with the AI-generated video, click the "Export" button in the top-right corner of the screen and select your desired format and resolution. Finally, hit the "Export" button to save the video to your device.

Exporting the AI video in CapCut

Method 3: Convert an image to a video using the AI media feature

    STEP 1
  1. Access the image to video feature

To start with, open CapCut and create a new project. Next, click the "Media" option from the top-left corner and select "AI video" under the "AI media" section. Next, choose the "Image to video" feature to convert an image into a video. Enter your text prompt, input an image, choose a suitable model and duration, and hit the "Generate" button to create the AI video.

Accessing the image to video feature in CapCut
    STEP 2
  1. Edit the generated video

Once the AI video has been generated, you can enhance it with various filters, effects, stickers, animations, and speed adjustment options. You can also utilize advanced editing features, like background removal and noise reduction, for advanced edits.

Editing the generated video in CapCut
    STEP 3
  1. Export the video

Once satisfied with the final video, click the "Export" button in the top-right corner and select your desired format and resolution. Finally, hit the "Export" button to save the AI-generated video to your device.

Exporting the video in CapCut

Syntesia AI vs CapCut: A brief comparison

Syntesia AI vs CapCut

How to generate a great video with AI - tips offered

  • Write a clear text prompt: AI video generators function best when the prompt is specific and detailed. When providing your input, consider the tone, style, and target audience. CapCut can further enhance the results by adding different subtitles, voiceovers, and visuals.
  • Focus on storytelling: Even with AI tools, the story remains a key factor in keeping viewers engaged. So, carefully structure your AI video with a clear beginning, middle, and end. You can utilize CapCut's "AI writer" feature to create a structured and well-balanced script.
  • Use high-quality visuals: To add depth to your AI video, add the relevant images or clips. Ensure that the visuals clearly match your video's theme for consistency. You can use CapCut's filters and effects to enhance the pictures before using them for AI video generation.
  • Pay attention to audio: Background music and voiceovers are essential as they set the mood of your video. So, choose the tracks that complement your story, without overpowering it. Using CapCut, you adjust the audio levels, add AI voiceovers, and sync the sound perfectly.
  • Edit and polish carefully: Don't rely only on AI output; manual editing can make a huge difference. Adjust the pacing, visuals, and captions to achieve a professional finish. CapCut offers a range of editing tools, including filters, effects, stickers, animations, and speed adjustment options, to help you finalize your video for maximum impact.

Conclusion

Synthesia AI video generation has revolutionized the way creators, businesses, and educators produce AI-generated content, making it faster, more accessible, and cost-effective. This article discusses the key features and how to use the free Synthesia AI video generator to produce AI videos. To create high-quality AI videos, remember to follow expert strategies, such as using clear text prompts, high-quality visuals, and manual editing. Although Synthesia AI is a valuable tool for AI video generation, its primary limitation is that it is only available online and offers limited advanced manual editing controls. So, if you want a feature-rich Desktop alternative for creating AI videos, choose CapCut, which provides features such as text-to-video, image-to-video, and an AI video maker, along with a variety of editing tools, including filters, effects, stickers, animations, and speed adjustment options. So, get CapCut now and avail its editing features to start creating the best AI videos.

FAQs

    1
  1. Are AI video generators a good choice for making professional-quality videos?

Yes, AI video generators are a good choice for making professional-quality videos. They save a significant amount of time, reduce costs, and eliminate the need for hiring actors by utilizing AI avatars. Businesses, educators, and marketers all benefit from this convenience. Although AI handles heavy lifting, post-editing is necessary to ensure personalized content. CapCut offers a variety of editing features, like filters, effects, stickers, animations, speed adjustment, and background removal to enhance the AI-generated video.

    2
  1. How do I add subtitles in the free Synthesia AI video generator?

In Synthesia AI video generation, the subtitles are automatically generated for your video script, making the process instant and precise. You can enable or disable them before generating the final video. This feature is particularly beneficial for audience engagement and accessibility. However, subtitle customization is limited in the free version. If you want to add and edit subtitles in AI-generated videos without any limitations, you can use CapCut's auto-caption feature for detailed editing.

    3
  1. What is the best AI video generator like Synthesia for beginners?

CapCut is an excellent alternative to Synthesia for AI video generation, making it accessible to beginners. It offers features such as text-to-video, image-to-video, and an AI video maker, along with ready-made templates, to simplify the process of creating AI videos. It also features an intuitive drag-and-drop interface, making it easy to operate without advanced skills. Additionally, you can enhance the AI-generated video with manual editing features, such as filters, effects, stickers, animations, speed adjustment options, and noise reduction. This makes it a complete solution for AI video production for beginners.

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