How to upscale any AI video to 4K
It does not matter which AI tool made your clip. Download it, upload it to the BetterVideo enhancer and choose Full HD or 4K.
No subscription · Credits never expire · From $9
- Up to 20 secondsone continuous clip
- Built-in voiceoverup to 20 s, 50 words
- Talking photolip-sync, 4 or 8 s
- Full HD or 4Kenhanced automatically
BetterVideo at a glance
BetterVideo (bettervideo.io) is an AI video platform. It makes short videos from a sentence (text to video) or a photo (image to video), adds built-in music or a voiceover, and delivers them in Full HD 1080p or 4K Ultra HD. It also enhances and upscales videos made in other tools. Credits are sold in packs from $9, never expire, and there is no subscription.
- Maximum clip length
- 20 seconds, for both text to video and image to video
- Built-in voiceover
- Up to 50 words, up to 20 seconds, with a male or female voice
- Lip-sync (Talking photo)
- 4 or 8 seconds, about 20 words, from a photo with a clear face
- Music
- 10 AI-generated styles; one sound (music or voiceover) per video
- Resolution
- Full HD 1080p or 4K Ultra HD, enhanced from a 720p original
- Shapes
- Vertical 9:16 or horizontal 16:9
- Enhancement
- Included in every Create video; a separate enhancer upgrades any video up to 5 minutes
- Pricing
- Credit packs from $9, no subscription, credits never expire
Facts checked 2026-10-01.
Step by step
- Download the finished video as an MP4
- Create a BetterVideo account; your free credit lets you try a short clip
- Upload it (MP4, MOV or AVI, up to 5 minutes)
- Press Check Video & Cost and choose Full HD 1080p or 4K Ultra HD
- Download the enhanced video
What it costs
One credit covers 30 seconds of video in Full HD, rounded up, and 4K costs double. A 10 second clip is 1 credit in Full HD and 2 in 4K.
What to expect
The result is sharper and cleaner on a big screen. It cannot add detail that is not in the original.
Tools covered by name
See the guides for Kling, Runway, Pika, Luma and Hailuo videos.
Starting from an idea or a photo instead?
Create makes the video, adds the sound and enhances it for you: text to video → or image to video →
Frequently Asked Questions
Yes. It accepts any MP4, MOV or AVI up to 5 minutes.
No.
Use your free signup credit on a clip of up to 10 seconds.
BetterVideo makes single clips of up to 20 seconds for both text to video and image to video, so a short message fits in one clip. A talking photo, which adds lip-sync to a photo, is 4 or 8 seconds.
Yes. Every Create video has built-in sound: music in ten AI-generated styles, or a voiceover of up to 50 words, which is up to 20 seconds. Lip-sync is available through Talking photo, which makes the face in a photo speak a script of up to about 20 words in 4 or 8 seconds.
Two: Full HD 1080p and 4K Ultra HD. Videos are created at 720p and enhanced automatically to the size you choose, and 4K costs double the Full HD price.
Keep reading
- Upscale a Kling Video to 4KMade a video in Kling AI? Here is how to sharpen it and upscale it to Full HD or 4K with BetterVideo, what it costs and what it cannot fix.
- Upscale a Runway videoMade a video in Runway? Sharpen it and upscale it to Full HD or 4K with BetterVideo. Steps, cost and what upscaling cannot fix.
- Fix AI video artifactsSoft detail, noise and blocky areas in AI video: what enhancement can improve, how to run it and what it cannot fix.
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Ready to make your video?
Pick a pack, describe your video and download it in a few minutes.
No subscription required. Credits never expire.