Frame Interpolation Guide: How It Works & Best AI Tools

April 28, 2026Jenny Ryan

To reduce motion blur, create smoother slow-motion effects, and enhance overall video quality, many editors use frame interpolation. This technique works by generating intermediate frames between existing ones, resulting in more fluid motion and improved visual clarity. Today, frame interpolation is widely used in video editing, gaming, animation, and content creation to upgrade low-frame-rate footage and deliver a more professional viewing experience. In this article, you will learn what frame interpolation is, how the technology works, its main advantages, and common real-world use cases. You will also discover several powerful AI frame interpolation tools that can help you enhance video quality and create smoother, more engaging visuals.

Part 1. What Is Frame Interpolation

Frame interpolation is a video editing and enhancement technique that adds frames to improve visual quality. It can generate intermediate frames between existing ones to increase sharpness, reduce blurriness associated with fast-moving objects, and create a smoother playback effect. If you get a noticeable stutter or jerkiness in a video, you can insert intermediate frames to create a more natural and fluid viewing experience. Moreover, with more data and details added, frame interpolation can improve the overall color accuracy.

How Does Frame Interpolation Work

Frame interpolation is a technique in video processing that makes motion in a video smoother by generating new frames that are placed between the already existing frames. It operates by taking the frames one after another, examining them, figuring out how the things in the video move, change their form, or are related to the background, etc.

The process usually involves:

• Motion detection – The software tracks the movement of objects from one frame to another.
• Frame prediction – Advanced algorithms or AI models estimate how the intermediate frame should look.
• Frame generation – New frames are inserted between original frames to increase the frame rate.

By adding these intermediate frames, the video playback becomes more natural, fluid, and visually appealing, especially in fast-moving scenes.

Benefits of Frame Interpolation

Using frame interpolation offers several advantages for video quality and viewing experience:

• Make slow-motion looks more natural
• Helping videos to become sharper and clearer
• Lessening the blurring effect of moving objects and removing disturbing images
• Giving a boost to the general smoothness of the video playback
• Ramping up the number of frames per second (fps), such as going from 24fps all the way up to 60fps or even more

These benefits make frame interpolation especially useful for high-action content such as sports and gaming videos.

Frame Interpolation Use Cases

In many different fields, frame interpolation is utilized to enhance the visual quality and performance of videos. Typical usage cases include:

• Sports broadcasting – Produces smoother replay video and aids in clearly capturing quick motions.
• Gaming videos and streaming – Enhances gameplay recordings by delivering higher frame rates and fluid motion.
• Old film restoration – enhances vintage films by boosting frame rates and modifying them for contemporary HD or 4K screens.
• Slow-motion video creation – Allows content creators to produce cinematic slow-motion effects with better detail.
• Animation and video production – Supports smoother transitions and professional-quality visual storytelling.

Part 2. AI Frame Interpolation Tools Comparison Table

To help you choose the right AI Video Smoother, here is a comparison of three popular AI frame interpolation tools. These tools can enhance video smoothness, increase frame rates, and improve overall visual quality.

Tool	Supported OS	Key AI Features	Output Quality	Processing Speed	Ease of Use	Best For
Aiseesoft Video Converter Ultimate	Windows, Mac	AI frame interpolation, video enhancement, and format conversion	High (HD / 4K supported)	Fast	Very Easy	Beginners and quick video smoothing
Topaz Video Enhance AI	Windows, Mac	Advanced AI frame interpolation, upscaling, noise reduction	Very High (up to 8K)	Medium–Slow	Moderate	Professional video restoration
Flowframes	Windows	AI interpolation using RIFE engine, FPS boosting	High	Fast	Easy	Gaming videos and anime interpolation

In fact, these tools are great candidates for AI video interpolation, which is a process of generating extra frames between the existing ones in a video to make the video playback look smoother and to reveal more details. The main factor deciding your choice should be your needs, such as professional editing, fast processing, or simple video enhancement.

Part 3. Best AI Frame Interpolation Tools

Many modern smart TVs are designed with advanced frame interpolation technology to display content with improved image quality. Moreover, NVIDIA RTX graphics cards carry frame interpolation functions to offer real-time enhancements for PC gaming. There are also several video editors and specially designed tools that provide frame interpolation capabilities to fix choppy video and create smoother playback. This part will share several compelling frame interpolation tools, including free online and AI-powered options, to help you easily produce high-quality videos.

Method 1. Aiseesoft Video Converter Ultimate (Best AI Frame Interpolation Tool)

If you want an easy yet powerful solution for frame interpolation, Aiseesoft Video Converter Ultimate is a great choice. This all-in-one video toolbox is designed to enhance video quality, adjust frame rates, and make playback smoother. With its built-in AI video enhancement technology, you can convert 30fps to 60fps or even higher frame rates to create fluid slow-motion effects and improve overall viewing experience. It is suitable for beginners and professionals who want quick and reliable video processing.

Downloads

Video Converter Ultimate

Supports converting frame rates such as Convert 30fps to 60fps or 24fps to 60fps
Enhances video quality by reducing noise and motion blur
Upscales video resolution (e.g., HD to 4K)
Supports 1000+ video and audio formats
Built-in editor for trimming, cropping, adding filters, and effects

Free DownloadFor Windows

100% Secure. No Ads.

Free DownloadFor macOS

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Step 1.

First, download and install Aiseesoft Video Converter Ultimate on your Windows or Mac computer. Start the software once it is installed. Head to the Video Enhancer category and click Add Files to bring in the video you would like to enhance. The file can also be dropped straight into the interface.

Step 2.

Then go to Frame Interpolation Model and select it. Change the frame rate to your desired value, such as 2x or 4x for smoother playback.

Step 3.

Choose the output format and preview it to see the result.

Step 4.

Click Export All to start the frame interpolation and video enhancement process.

Method 2. Topaz Video Enhance AI (Professional AI Frame Interpolation Tool)

Topaz Video Enhance AI is a production-grade enhancement tool that offers frame interpolation, upscaling, noise reduction, stabilization, deinterlacing, and details recovery functions. Its AI models can generate natural results in frame interpolation. Topaz Video AI is mainly used for high-quality video enhancement, especially for older, blurry, or lower-resolution footage.

Step 1.

Open the program after installation. Click Browse or drag and drop your video file into the interface.

Step 2.

Select an appropriate AI model, such as Chronos, for frame interpolation, or you can toggle on the Frame Interpolation AI. Then set the desired frame rate.

Step 3.

Choose the output resolution, format, and enhancement options based on your needs.

Step 4.

Click Export to begin the AI frame interpolation process and save the enhanced video to your computer.

Method 3. Flowframes (Free AI Frame Interpolation Tool)

Flowframes is a powerful frame interpolation tool designed to enhance video quality using advanced AI frameworks. It can leverage the power of your graphics card to get faster processing. Flowframes supports various AI frameworks to increase the frame rate of your videos with different interpolation styles, such as RIFE, DAIN, and FLAVR. It offers customizable settings for you to freely adjust interpolation parameters based on your needs.

Step 1.

Launch the software after installation. Hit Add Video or drag and drop the video you want to enhance into the program interface.

Step 2.

Choose the AI model, such as RIFE. Then set the target frame rate, for example, Convert 30fps to 60fps to make the video smoother.

Step 3.

Select the output format, resolution, and destination folder for the processed video.

Step 4.

Click Start to begin generating intermediate frames. Once finished, you can preview and export the enhanced video.

Part 4. FAQs of Frame Interpolation

What is frame interpolation in TVs?

Frame interpolation in TVs refers to a video processing technique that can generate a smoother, more fluid viewing experience. It creates additional frames between existing ones to make fast-moving objects appear less blurry. Many smart TVs offer adjustable levels of frame interpolation. You can adjust the level to get the desired visual quality.

Does frame interpolation increase video size?

Yes, frame interpolation will typically increase video size. As I mentioned above, it adds additional frames to generate a smoother viewing experience. With more details and data added, the file size of the source video will grow. Some advanced AI interpolation algorithms may also create higher resolution and bitrate. That will lead to a larger file size.

How can I achieve smooth slow motion with frame interpolation?

Frame interpolation is primarily designed to create smooth slow-motion footage. You can select a preferred frame interpolation tool to perform various video enhancement operations, including frame interpolation. You can also rely on some AI-powered plugins like RIFE or DAIN to get advanced frame interpolation capabilities. Try using different interpolation methods to find the best fit for your slow-motion footage. Preview the slow-motion effect and then export it with the best possible output.

Conclusion

One way frame interpolation can improve the video visuals is by making the motion more smooth and less jerky, hence making the frame transitions more natural. Besides helping to achieve slow-motion effects, it is also capable of reducing motion blur and overall making the video more enjoyable to watch. These days, with the help of software like Aiseesoft Video Converter UltimateTopaz Video Enhance AI, and Flowframes, it is quite straightforward for a person to upgrade their videos by merely using an AI Video Smoother function. When you have finished going through this article, you will be able to style your clips with increased frames per second (fps), clearer images, and also production of more professionally looking videos.