12 Best Free AI Video Upscaling Software in 2025 [Windows, Mac, Online & Open Source]
- Updated on 2025-11-17
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Table Of Content
In today's digital age, having high-resolution videos is essential for professional and personal use. AI-powered video upscalers can enhance video resolution with minimal effort. Whether you're looking for a free video upscaling software, free video upscaler online, or an open-source video upscaling software, this guide covers the top tools available for Windows, Mac, and online platforms.
This article explores the 12 best free video upscalers, detailing their features, performance, pros, cons, and user experience so you can choose the most suitable AI video upscaling free tool.
Best Free AI Video Upscaler: A Quick Comparison
To simplify your choice, here's a quick overview of the best free video upscalers, covering options for Windows, Mac, online use, and open-source solutions.
Comparison Table
| AI Video Upscaling Software | Best for | Platform | Key Features | Pricing |
| UniFab Video Upscaler AI | Highest overall performance and quality | Windows & Mac | 4K/8K/16K upscaling Multiple AI Models 50X GPU Acceleration Easy-to-use interface Popular format support Batch upscaling Built-in video editing Customizable settings | 30-day Free Trial without watermark and limitations |
| Vmake AI | Enhancing video colors | Online | Up to 4K Upscaling Easy-to-use interface Major format support No registration needed | Free & paid plans |
| Video2X (Open-source) | GIF upscaling | Windows; Linux (CLI) | Free video upscaling software Frame interpolation No Skill & knowledge required | Free |
Comparison on Performance
We tested each software thoroughly and selected the best free video upscaler for desktop, online use and open source. If you want to learn more, you can see [ How I Test Free Video Upscaling Software].
Generally, open-source tools only support Windows or Mac，while AI video upscaling free tools and AI video upscaling software support both systems. Based on our comparisons, desktop tools generally offer more powerful and consistent performance.
In a side-by-side comparison, UniFab Video Upscaler AI delivers superior visual enhancements across multiple aspects and it has faster conversion time due to 50X GPU acceleration and stronger operating environment on PC. It offers sharper details, especially in facial features, along with vibrant yet natural colors and well-balanced skin smoothing that maintains realism.
In contrast, Vmake shows moderate improvements but tends to over-saturate colors and apply more aggressive smoothing, resulting in a slightly artificial look.
Free AI Video Upscaler [Windows & Mac]
1. UniFab Video Upscaler AI
UniFab Video Upscaler AI is a professional-grade AI video enhancer tool designed to upscale videos to 1080p, 4K, 8K, and even 16K with exceptional clarity. Unlike traditional upscalers that simply stretch pixels, UniFab uses advanced deep-learning models to reconstruct real detail, delivering noticeably sharper and more refined results. Powered by cutting-edge AI enhancement technology, it automatically corrects compression artifacts, noise, blurriness, halos, and detail loss, significantly improving overall visual quality.
Best Free Video Upscaler - UniFab
- AI Ultra-Resolution Upscaling
- Instant Quality Enhancement
- 30-day Free Trial, No Watermark!
UniFab Video Upscaler AI
This AI video upscaling software also offers multiple specialized AI models tailored for different types of video content—movies, animations, online clips, old footage, and more. UniFab is a paid solution with a free trial, allowing users to experience its AI upscaling performance before purchasing.
OS: Windows & Mac
Price: 30-day free trial for full features (no watermark), Lifetime Plan $69.99
- Speed Optimized
Provides fast video upscaling while maintaining a good balance between processing speed and output quality.
- Texture Enhanced
This Model can enhance textures and fine details to bring out richer, more realistic visuals.
- Quality Optimized
This model focuses on maximizing sharpness and clarity for the highest possible visual fidelity.
- Anime Optimized
Preserves sharp lines and vibrant colors, ensuring anime and cartoon videos retain their original artistic style.
You can see its excellent effects from the following video.
Key Features
✅Ensure tailored enhancement for different content types.
✅Up to 50× faster processing with supported GPUs.
✅Customizable settings like resolution, codec, quality, and more.
✅Simple UI with one-click presets, no tech skills needed.
✅30-Day Free Trial for full access with no watermark.
30-day Free Trial with full feature access!
Open UniFab program on your PC > Click 'All Features' > Select the “Upscaler” mode from 'Video AI.' Then, click the '+' button to import the video file you want to enlarge.
Choose the desired resolution and pick between two model options: Universal or Animation, based on your video type. Adjust additional output parameters as needed.
Click the “Start” option, UniFab will handle the task efficiently with accelerated processing.
2. Topaz Labs Video AI
Topaz Video AI is an AI upscaler video free trial tool with various video-enhancing customization options. This multi-functional tool offers ultra-smooth, steady, sharp video footage with eye-catching appeal. Get cinematic appeal to any video with sharpening and stabilization options.
OS: Windows & Mac
Price: After a free trial, full version costs $299.
Pros
- +
Get smooth & steady video with stabilization, slow motion, de-noise & video sharpening function
- +
Fine-tuned your video with restoring details & creating new pixels
- +
Enjoy extensive video editing support
Cons
- -
You can not export upscaled video in its free version
- -
Selecting various AI models could be a little consuming for any beginners
3. AVCLabs Video Enhancer AI
To explore AI video upscaling free service with multiple customizable functions and options, you must try the powerful AVCLabs Video Enhancer AI. This is a one-stop shop for transforming any SD or HD videos to 4K to 8K with a multi-frame enhancement function. While upscaling video, this free trial AI video upscaling software doesn't lose the original video quality. You can also add colors to any black-and-white video.
OS: Windows & Mac
Price: Free trial, One Year Plan $119.95
Pros
- +
Make any old videos, animes, or movies on all HD devices compatible with single or multi-frame enhancement option
- +
It upscales video by eliminating noise, artifacts, blurring, etc, with the brightness, contrast & saturation balancing option
- +
It enlarges video images while restoring details and originality in high-video quality
- +
Get rid of blur, camera shake, or pixelation to enhance your video streaming experience
Cons
- -
The processing speed is a little slow, with unsatisfactory output result that loses some details
- -
It involves various complicated algorithms and training models
4. VideoProc Converter AI
To upscale any SD, old, damaged, dull, or blurred video, VideoProc Converter AI is a very significant tool with all-in-one features. While enhancing videos, you can also compress, download, edit, and record any video. This video upscaling software lets you save time with batch upscaling without any data loss and retain its original quality. It supports deshaking, color-correcting, denoising, deinterlacing, etc.
OS: Windows & Mac
Price: Lifetime Plan $45.95
Pros
- +
With level 3 GPU acceleration, it supports video upscaling at lightning speed
- +
Upscale video with smoothening, stabilization, fixing, etc
- +
It can tackle various issues related to video quality, format & file size
- +
It offers 370+ input & 420+ output format support with watermark adding & speed adjusting option
Cons
- -
Some new & additional features are missing
- -
Upselling process is quite time-consuming
5. Winxvideo AI
You can explore the comprehensive toolkit of Winxvideo AI to enhance any noisy, blurry, or poor-quality video. Using this AI video upscaling software, you can stabilize the camera shake and compress video size with lossless conversion. With GPU acceleration, you can enhance video up to 8K resolution with HDR support.
OS: Windows
Price: Lifetime $45.95
Pros
- +
An all-in-one tool with conversion, compression, frame interpolation, video stabilization, recording, editing, and super-resolution
- +
Boost FPS with video stabilization and enhancement
- +
Get rid of motion blur camera shake while creating slow-motion
- +
Explore cinematic visual esthetics in every frame of your upscaled video.
Cons
- -
Sometimes, the results are very dissatisfying
- -
You can process only a 5-minute video in its free version
Best Free Video Upscaler [Online]
If you’re looking for a free online AI video upscaler, consider these options:
Free online upscalers are convenient for quick tasks, but most impose limits on file size, clip length, or export quality.
- Typical caps: short clips (e.g., 10–60 seconds), MP4 format, and size limits (often tens to hundreds of MB).
- Watermarks: some services add watermarks on free tiers; paid plans usually remove them.
- Privacy: uploads are processed in the cloud—avoid sensitive footage unless retention policies are clear.
- When to use: fast previewing and light enhancement; long or large videos are better handled with desktop software.
6. CutOut. Pro
To look for AI video upscaler free online tool, CutOut.Pro is a very comprehensive online tool. Using this ai 4K video upscaling tool, you can upscale video with multiple functions such as motion interpolation, shake stabilization, deinterlacing, etc. You can compress video to reduce file size without losing quality. You can also add your desired slow-motion effects.
OS: Web
Price: Free & paid credit-based plans (pricing subject to change)
Pros
- +
You boost FPS with 30FPS
- +
Explore video upscaling to 2K to 4K
- +
It can handle file sizes up to 2GB
- +
Enjoy video format support with Mp4, MOV, GIF, WebM
Cons
- -
It handles limited file size
- -
It offers very limited file formats
7. TensorPix
To experience AI video upscaling software free online tool anytime, anywhere, on any device, TensorPix is a very smart choice. With this AI 4K video upscaling online program, you can transform videos with jaw-dropping stunning appeal. It also supports previewing options before finalizing the upscaling process.
OS: Web
Price: Free & Standard $12/month, Premium $27/month & more
Pros
- +
You can eliminate blurry details, multiple artifacts, etc
- +
Upscale low resolution up to 4K
- +
You can upscale hundreds of videos in one go with batch processing
- +
Multiple filter support such as noise reduction, Film cleaner, decompressor, etc
Cons
- -
There is no dedicated video editing function
- -
There are no sound or video effects adding option
8. CapCut
Using CapCut Video Upscaler, AI-powered free online video upscaler, you can upscale any blurred or shaky video to 4K resolution. It lets you restore video details while sharpening each frame. While upscaling, it also lets you edit videos using the dedicated “Edit” functions. This free video upscaling software also offers several other magic tools for more customizations and creative exploration.
OS: Web
Price: Free
Pros
- +
It offers ai 4K video upscaling without data loss
- +
It offers ai video upscaling software free service
- +
It handles various video formats, resolutions, contexts, etc
- +
It enhances each video frame with clarity & details
Cons
- -
You can't upscale videos in batches
- -
The video format selection option is not available
9. Vmake AI
To know how to AI upscale video online, Vmake AI is one of the best free video upscaler online. This tool will make any low-resolution, blurry video sharp and crisp by preserving the video details and eliminating the artifacts and digital noise. It lets you select the desired output file format for your upscaled video for compatibility with various devices and platforms. Otherwise, you can retain the original video quality and format while upscaling the video.
OS: Web
Price : Free & Pro plan $0.20/Credit, Flexible $0.60/Credit
Pros
- +
It offers various multi-format support, including MOV, MKV, Mp4, etc
- +
Explore various settings parameters such as contrast, brightness, color saturation, etc
- +
Get upscaled video in 30Fps with up to 4K resolution support
- +
Video format & length selection option with previewing option
Cons
- -
There are no video editing functions
- -
Batch upscaling is not supported
10. Neural.Love
In the list of best free video upscaler software, Neural.Love is one of the most versatile online tools. This AI video enhancer tool will upscale video up to 4K resolution while maintaining its details. Explore unlimited video upscaling with colorization and realistic mode options.
OS: Web
Price: Free & $30/month for 300 credits
Pros
- +
It removes compression artifacts and adds texture
- +
Use this tool via any web browser without installation hassle
- +
Upscale less than two hours long video up to 100GB
- +
Enhance hundred-plus videos simultaneously in batches
Cons
- -
There is no versatile video editing option
- -
It can handle only two hours long video
Best Free Video Upscaler [Open-Source]
Explore some open source video upscaler tools designed to boost video resolution and quality.
Open-source projects are ideal if you need full control and no watermark, and most run locally using AI models.
- Examples: Real-ESRGAN (restoration/upscaling), Upscayl (desktop app for Windows/macOS/Linux), Waifu2x Extension GUI (Windows; great for anime/line art), Video2X (Windows wrappers for multiple engines).
- Performance tips: enable GPU acceleration (NVIDIA/AMD) when available to speed up processing.
- Compatibility: many tools are cross-platform; check build instructions for macOS/Linux before use.
- Learning curve: some options require command-line steps; community GUIs simplify workflows.
11. Video2X
As a free video upscaler software, Video2X offers high-quality AI upscaling via popular engines (e.g., waifu2x/Real-ESRGAN). This open source AI upscaling software lets you upscale videos on your PC with a few clicks, improving blurry, shaky, or damaged footage.
OS: Windows (GUI); Linux (CLI); macOS (community builds)
Price: Free video upscaler
Pros
- +
It upscales video without data loss
- +
Enhance video with frame interpolation
- +
State-of-art algorithm to enhance resolution & frame rate
- +
Along with video upscaling, it also works as a GIF & Image upscaler
Cons
- -
Batch processing is not available
- -
The video editing option is not supported
12.QualityScaler
To enjoy free video upscaling software, nothing would be more convenient than the open-source Windows app QualityScaler. With multiple video format support such as Mp4, MKV, AVI etc you can access your upscaled video in various devices.
OS: Windows
Price: Free AI video upscaler
Pros
- +
Automatic image tiling & merging function with multiple GPU support
- +
Batch video upscaling with simple drag & drop option
- +
Upscale video by enlarging, enhancing, removing noise, etc
- +
You can also resize the video before upscaling
Cons
- -
Cropping, cutting, flipping, etc. video editing is not possible
- -
Sound or video Effects adding option is missing
Which is the Best Free Video Upscaler?
There isn’t a single “best” free video upscaler—your choice depends on whether you need an online tool for quick exports, an open‑source desktop workflow, or a pro‑grade app with a free trial. If you want a watermark‑free, desktop trial with advanced AI models, UniFab Video Upscaler AI is a balanced option alongside popular free picks.
- Online, quick, up to 4K: CapCut offers browser‑based upscaling without watermarks; Canva provides AI upscaler styles for clarity or color preservation—ideal for short videos and simple workflows.
- Open‑source desktop: Waifu2x Extension GUI excels with anime/cartoon content; Video2X supports videos and GIFs with various upscale factors—best if you’re comfortable with community tools.
- Pro results with free trials: UniFab Video Upscaler AI offers a 30‑day trial without watermark, multiple AI models, and outputs up to 1080p/4K/8K/16K on Windows & Mac; other options include Topaz Video AI, AVCLabs Video Enhancer AI, and HitPaw Video Enhancer.
- Know the limits: Free tiers often cap resolution, length, or file size, or add watermarks—always confirm export and system requirements before starting a long upscale.
Best Free Video Upscaler - UniFab
- AI Ultra-Resolution Upscaling
- Instant Quality Enhancement
- 30-day Free Trial, No Watermark!
UniFab Video Upscaler AI
How I Test Free Video Upscaling Software
To provide an objective and reliable review, I tested each free AI video upscaler using a consistent set of videos and performance benchmarks. All tests were conducted on a desktop PC powered by AMD Ryzen 7 5700G CPU and NVIDIA GeForce RTX 4070 GPU, ensuring smooth handling of high-resolution processing.
Testing Criteria:
- Upscaling Quality
Evaluated how clearly the tool enhanced video resolution from 480p and 1080p to 4K or higher—focusing on sharpness, detail recovery, color consistency, and motion clarity. - Processing Speed & System Resource Usage
Measured the time each tool took to upscale a 60-second video and monitored GPU/CPU usage to assess efficiency. - Ease of Use
Considered installation steps, UI layout, and how beginner-friendly each tool is. - Free Plan Limitations
Checked what features are available for free—such as resolution caps, watermarks, export limits, or usage time. - Platform Compatibility
Verified whether the tools support Windows, Mac, or web browsers, and whether hardware acceleration is utilized.
Test Video Clips:
- 720p anime scene
- 480p VHS-style home video
- Dark, low-light smartphone clip
- Standard 1080p YouTube vlog
By testing these real-world scenarios, I aimed to simulate typical use cases and identify the best free video upscalers for different types of content creators.
FAQs about Free Video Upscaler
What is the best free AI video upscaler available?
The best free video upscaler is UniFab Video Upscaler AI. It offers AI-powered 4K/8K/16K upscaling, multiple specialized models, and 50X GPU acceleration for ultra-fast processing. Unlike many other tools, it provides a 30-day free trial with no watermark, allowing users to fully experience its advanced upscaling features without limitations.
What's the Key features of a best free video upscaler?
The best free video upscalers offer AI-powered enhancement, up to 4K resolution support, noise reduction, and batch processing. Many provide a free trial or open-source options, ensuring high-quality upscaling at no cost.
What are the primary purposes of Free AI Video Upscaling Software?
- To make the old, outdated & damaged video seamlessly streamable in the latest high-quality device with upscaled quality & resolution
- To make low-quality videos on social media platforms compatible
- To rescue video in its highest possible quality for backup
- To promote business or brand
Does free video upscaling software cause data loss?
AI upscaling reconstructs detail from lower‑resolution footage, so it cannot literally avoid information loss—results depend on the model, source quality, and settings. Many free tiers also limit resolution, length, or add watermarks. During its trial, UniFab Video Upscaler AI focuses on preserving perceived detail and natural textures and can export without a watermark (see the official site for the latest policy and limits).
Can I upscale videos online for free?
Yes, several online tools like Vmake AI, CutOut.Pro, and Neural.Love offer free video upscaling services. However, most have limitations such as output resolution caps, watermarking, or processing time restrictions in their free tiers.
Are free open-source video upscalers effective?
Open-source tools like Video 2X and QualityScaler provide free video upscaling with no cost, but they may lack advanced AI-driven enhancements and user-friendly interfaces compared to commercial products.
Can I use free video upscalers on Mac?
Yes, many free video upscaling software support Mac, including UniFab Video Upscaler AI, Video 2X, and some online platforms accessible via browsers.