4K Video Converter: Upscale Video to 4K Online for Free

Q: What are the benefits of upscaling a video to 4K?

4K resolution provides higher image detail and clarity, making the video sharper and more vibrant, offering a more immersive viewing experience. Additionally, low-resolution videos can see significant improvements in image quality and reduced blurriness after upscaling to 4K. Upscaling to 4K also enhances the professionalism of the video, ensuring the best display quality on various devices.

Q: How long does it take to upscale a video to 4K?

With just one click, our powerful AI will automatically analyze your video and quickly upscale its resolution to 4K without compromising video quality, all without much waiting time.

Q: Can I choose other video resolutions?

Of course! Our HD video converter offers a variety of video resolutions, including 720p, 1080p, Full HD, Quad HD, and Ultra HD (4K), providing you with multiple options ranging from standard clarity to ultra-high-definition quality.

Easily upscale your video to 4K online with Fotor’s free AI 4K video converter. Quickly convert your video to 4K to enhance video quality and increase frame rate. Get your clearer, smoother, and more fluid 4K video now.

Upscale Videos to 4K

How to Fotor‘s Use 4K Video Converter？

Upload a video of a girl blowing bubbles in various formats in fotor

1. Upload a Video

Upload a video to our 4K video converter. MP4, MOV, WebM, AVI, MKV, and more formats are supported.

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2. Convert Video to 4K

Click “Generate Preview” to instantly convert your video to 4K resolution with AI.

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3. Download the 4K Video

Wait a moment, and the AI will automatically upscale your video to 4K. Quickly download your 4K video.

Upscale Videos to 4K

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Easily Convert Video to 4K with One Click

Still worried about blurry videos? Our AI 4K video converter can easily upscale your videos from HD, 720p, and 1080p to stunning 4K. Simply upload your video, and our AI will automatically analyze it, upscale it to 4K with one click, making blurry or low-res clips clearer, removing blurriness, enhancing details, and delivering a sharper, clearer video.

Upscale Videos to 4K

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Upscale Your Video to 4K without Watermarks

Upscale your video resolution to 4K Ultra HD online, with no watermarks, keeping the process smooth and interruption-free, ensuring your video remains clean and pristine. No registration required. New users can enjoy one free 4K upscale, and registered users receive an additional free trial every day, providing you with a high-quality 4K experience.

Upscale Videos to 4K

Increase the frame rate of a beautiful girls video from 30fps to 60fps

AI 4K Video Converter with a Higher Frame Rate

Our AI video converter to 4K not only improves the resolution of your videos but also upscales them to 4K 60fps. Whether it's action scenes or fast-moving shots, it smooths your video, preserving details and clarity, making every frame come to life. It brings you finer video quality and a smoother viewing experience.

Upscale Videos to 4K

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Enhance Video to 4K Without Losing Quality

Our AI 4K video upscaler does more than just upscale video resolution. It intelligently improves video clarity, enhances details, enriches colors, and boosts sharpness while ensuring lossless video quality. Your videos will play more vividly, smoothly, and clearly, delivering a professional-grade visual experience.

Upscale Videos to 4K

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Perfect Video 4K Converter for Social Media

High-quality videos often provide a better viewing experience for the audience. Our AI 4K video converter can optimize your videos to 4K resolution, enhance image quality, improve clarity, and make videos smoother. Easily share these high-quality videos on YouTube, TikTok, Instagram, and other social media platforms to attract more attention and gain more followers.

Upscale Videos to 4K

4K Video Quality Converter for More Occasions

Old Video

Restore the quality of old videos, such as classic films, documentaries, and music videos.

Gaming Video

Improve the visual details of gaming videos, optimize the viewing experience, and enhance immersion.

Film

Upscale movies to 4K, suitable for post-production, footage editing, 3D animation, special effects scenes, etc.

Upscale a motion blurried video to 4k in fotor

Blurred Action Video

Remove the blur in action videos and highlight the details, making the footage clearer.

Advertising Video

Enrich the video's colors and make the footage more detailed, suitable for product display, advertising, and more.

Vlog Video

Enhance the quality and clarity of Vlog videos, suitable for daily vlogs, food sharing, travel diaries, and more.

Upscale Videos to 4K

Upscale a video of a couple to 4k on fotor mobile app

Free App to Optimize Your Video to 4K

Fotor not only offers an online browser-based solution to upscale your videos to 4K, but we also provide a free mobile app, available for both iOS and Android. You can upload your videos and enhance them to 4K quality anytime, anywhere, with multiple options to suit your different needs.

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AI 4K Video Enhancer FAQs

What are the benefits of upscaling a video to 4K?

How long does it take to upscale a video to 4K?

Can I choose other video resolutions?

The Best Free 4K Video Converter Online

Still putting up with blurry video quality? Try Fotor’s free video to 4K converter to make every blurry or low-resolution clip clearer. Let AI upgrade your low-quality footage to ultra-high-definition 4K with one click, creating smooth, sharp, and realistic 4K videos.

Upscale Videos to 4K