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Best speed up video app: Top tools to transform your videos with ease

Nick WarnerWritten byNick Warner
Last UpdatedOctober 29, 2025
Digital collage of video editing on mobile devices with AI elements
Create AI videos with 230+ avatars in 140+ languages.
Summary

Explore the best apps to speed up and transform your videos, including HeyGen, InVideo, iMovie, VivaVideo, and more. Learn how video AI can elevate your content.

HeyGen: AI-Powered Video Creator

HeyGen leads the field in AI-powered video creation. It empowers users to generate videos with realistic avatars, skipping the need for a camera. For video creators focusing on high-quality, personalized content, HeyGen provides an ideal solution, especially if you're looking to learn how to generate AI videos effectively.

What makes HeyGen shine are its advanced features such as precise facial expression controls and language localization. These tools make it perfect for educators, marketers, and content creators who need quick, scalable, and multilingual video solutions. If you've ever wondered about how to create AI videos that stand out, HeyGen might just be your best answer. Explore this transformative tool for digital content creation.

InVideo Filmr App: A Versatile Choice

The InVideo Filmr App stands as one of the best speed up video apps for both iOS and Android. It offers an intuitive interface suitable for users at all skill levels. Whether you're crafting a social media post or putting together a professional presentation, this app provides robust editing features.

  • Easily adjust video speed
  • No limit on photo or video imports from the camera roll
  • Directly share to social media without watermarks
  • A wide range of filters and transitions

With these features, creators can quickly understand how to make AI-generated videos that are visually appealing. It's perfect for those looking for a fast, flexible video editing solution.

Smartphone displaying InVideo Filmr app video speed editing

iMovie: Best for iOS Users

iMovie remains a popular speed up video app for iOS devices. It's an excellent choice for anyone seeking a smooth tool to enhance video speed. Optimized for iOS, it ensures a seamless experience on Apple devices and helps you learn how to make AI videos for free using ProRes videos or ProRaw photos.

  • Optimize video speed in specific segments
  • Royalty-free music library access

Though it's free, iMovie allows you to understand how to create AI videos with a professional touch in a minimalistic interface.

iPhone showing iMovie app video speed controls

Slow Fast Motion Video Editor: Simplifying Speed Adjustments

Making video speed adjustments straightforward, this app is perfect if you want to change video speed without the additional hassle. Here’s why it's among the best AI text to video generators when simplicity is key.

  • Easily speed up or slow down videos
  • Correct audio pitch
  • Unrestricted video length and no watermark

Despite its minimalistic approach, it remains highly effective for creators who wish to execute basic editing with speed control.

VivaVideo: Rich in Features

For Android users, VivaVideo is a top choice among speed up video apps, offering a plethora of features for professional storytelling.

  • Speed adjustments from 0.1x to 10x
  • Extensive music and sticker collection
  • Voice-over options

VivaVideo is user-friendly and suitable for generating AI videos designed for social media platforms. It’s a way to understand how to make AI-generated videos without much fuss.

KineMaster: More Features, More Control

KineMaster offers greater control over video speed alongside professional editing features. It’s ideal for users needing more than just basic tools.

  • Speed control up to 16x
  • Multiple video layers and effects
  • Direct social media sharing

With its extensive features, it lets you dive deeply into how to generate AI videos and elevate them with creative flair, making it suitable for both beginners and advanced users interested in creating professional videos at home.

Desktop with KineMaster app showing video layers and speed control

Reflection: Which Is Your Go-to Tool?

There are plenty of options available when looking for the best AI video generators. HeyGen offers unique AI features, while traditional apps like InVideo Filmr or VivaVideo provide different benefits. Choosing the right tool plays a significant role in achieving your desired outcome, whether learning how to create AI videos or simply speeding them up. Which tool do you think will suit you best? Share your experiences in experimenting with these tools!

Using the correct tool can significantly amplify the quality and creativity of your video content. Whether your aim is to produce the best AI-generated videos or learn the ropes of video AI, there's a tool out there that matches your expertise level and creative vision.

Ready to elevate your video creation game? Sign up for HeyGen and start exploring innovative ways to create stunning videos for free!

About

Nick Warner is Head of Creator Growth at HeyGen, where he helps creators and brands scale their content with AI video tools. He writes about AI, video technology, and how creators can use these tools to tell better stories and reach wider audiences.


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