Best Anime Upscaler [2025]: Top AI Tools to Enhance Anime Quality

Anime lovers know that watching your favorite series in crisp, high-resolution quality can completely transform the viewing experience. Whether you’re restoring nostalgic classics or enhancing new releases, an AI anime upscaler helps you upgrade anime videos to 4K, 8K, or even 16K — bringing out every detail while preserving the original art style. In this 2025 guide, we compare the best anime upscalers to help you choose the right tool for your needs.
best anime upscaler

Why You Need an Anime Upscaler

Anime’s charm lies in its sharp outlines, expressive colors, and hand-drawn details. Unfortunately, many older shows were released in low resolutions (480p or 720p), making them look blurry on today’s ultra-HD screens.

That’s where an AI anime upscaler comes in. Unlike traditional interpolation or sharpening methods, these anime video upscaler tools use deep learning to recognize anime patterns — rebuilding missing lines, textures, and colors to deliver lifelike results without losing the signature 2D aesthetic. If you’re searching for the best anime upscaler in 2025, this guide will help you find the right solution.

How Does an AI Anime Upscaler Work?

Modern AI anime upscalers are trained on thousands of anime frames. They use machine learning to analyze and predict how each frame should look in higher resolution. Here’s what happens during upscaling:

  • Resolution Enhancement: Upgrade 480p or 720p anime to 1080p, 4K, 8K, or even 16K.
  • Noise & Artifact Removal: Eliminate compression blocks and grain for smoother playback.
  • Line & Color Refinement: Sharpen outlines, deepen shadows, and enhance saturation.
  • Texture Recovery: Restore missing background details and maintain anime’s painterly style.

With the right AI anime upscaler, you can make your favorite anime look cleaner, sharper, and closer to a Blu-ray remaster.

Top 5 Best Anime Upscaler Tools (Comparison Table)

Here’s a quick comparison table to help you decide:

ToolPlatformsMax OutputAI ModelBest For
UniFab Video Upscaler AIWindows, MacUp to 16K4 AI Models (Anime Optimized, Texture, Speed, Quality) Collectors & Editors
Waifu2xOnline (Web)Up to 4KDeep CNNCasual Users
ESRGANWindowsFlexible (custom models)GAN-basedDevelopers
Video2xWindows, Mac, LinuxUp to 4KMulti-engine (Waifu2x, Anime4K)Users who want flexibility
Anime4KWindows, Mac, LinuxReal-time (1080p–4K)Non-AIFans wanting speed & lightweight solution

4 Best AI-Powered Anime Upscaler

Below, we've rounded up 4 of the best AI-powered anime upscaler tools available for Windows, Mac, and even online. Whether you're looking for desktop performance or browser-based convenience, these tools can help you breathe new life into your favorite anime scenes.

1. UniFab Video Upscaler AI (Editor’s Choice)

Best for: Anime collectors, editors, and fans who want top-tier video quality with minimal effort.

Platforms: Windows & macOS

UniFab Video Upscaler AI is a professional-grade AI-powered anime upscaler that transforms standard-definition anime into ultra-clear 4K, 8K, or even 16K quality. Its dedicated Anime-Optimized Model is trained to enhance line art and color vibrancy without altering the original art style.

Key Features

  • 4 specialized AI models: Anime, Texture, Speed, and Quality
  • Removes blur, noise, and color banding
  • Batch processing for full anime episodes or movies
  • GPU acceleration for faster rendering
  • 30-day free trial (full features, no watermark)

Professional AI-Powered Anime Upscaler

  • Anime Optimized model tailored for anime-style content
  • Retains original anime style while enhancing detail and color
  • 30-day free trial with full features, no watermark!

UniFab Video Upscaler AI

Performance on Anime Upscaling

unifab video upscaler - animation model effect

Verdict

After extensive testing, UniFab Video Upscaler AI proved to be the best anime upscaler in 2025. With its dedicated Anime-Optimized Model, it delivers sharp lines, vibrant colors, and outstanding detail restoration, making every scene look crisp, authentic, and true to the original art style.

2. Waifu2x (Free Web Option)

Best For: Casual users who want to quickly upscale anime without installing software.

Platforms: Web-based

Waifu2x is a free online anime open source video upscaler and noise reduction tool for anime-style art and various photo types.Users can effortlessly upload their images to the official website and select upscaling options of up to 4x. Powered by deep convolutional neural networks, it enhances and enlarges anime photos effectively and offers customizable noise reduction levels.

Waifu2x Anime Upscaler.png

Pros and Cons

Pros

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    You can choose among nineteen supported languages while using this tool.

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    Users can upscale both photos and artwork using Waifu2x.

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    It is possible to select the output image format between PNG & WebP.

Cons

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    You need to possess some technical skills to use this tool.

Verdict

Waifu2x is a capable AI anime upscaler for enhancing anime images and artwork with clear, detailed results. It offers multilingual support and flexible output options, but its interface and setup can feel technical for beginners. Best suited for users with some experience who want reliable, high-quality online upscaling.

3. ESRGAN (Developer-Focused)

Best For: Developers and advanced users who want full control over anime video upscaling.

Platforms: Windows

ESRGAN is a cutting-edge AI-based anime upscaler renowned for producing highly detailed and sharp anime videos. Harnessing the capabilities of generative adversarial networks elevates resolution while preserving the essence of anime art styles. ESRGAN eliminates low-resolution artifacts, strengthens lines, and enhances colors, ensuring exceptional visual quality.

ESRGAN upscaling effect on animation video

Pros and Cons

Pros

  • +

    It generates incredibly sharp and detailed videos.

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    Compatible with a variety of anime art styles.

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    Users can customize the settings for better results.

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    Banks on AI algorithms to deliver superb results.

Cons

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    The processing time is longer compared to peer anime upscaler tools.

Verdict

For developers and advanced users, ESRGAN remains one of the most flexible AI anime upscalers. It offers unmatched control and customization for those willing to fine-tune models and prioritize maximum detail and accuracy.

4. Video2x (Flexible Multi-engine Tool)

Best For: Users who want flexibility and engine options in one package.

Supported Platforms: Windows, Mac, Linux, Ubuntu

Video2x is a user-friendly anime upscaler that merges the capabilities of various upscaling engines like Waifu2x and Anime4K. It features an intuitive interface for effortless anime video upscaling with customization options for refining results. Written in Python, Video2X can enhance resolution and frame rate with state-of-the-art algorithms.

Video2x 4k upscaling effect on animation video

Pros and Cons

Pros

  • +

    Intuitive interface designed for effortless upscaling, 1080p to 4K.

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    It offers a range of upscaling engines, such as Waifu2x and Anime4K.

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    Batch processing capability to handle multiple videos concurrently.

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    Adjustable settings for precise customization of output.

Cons

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    It may lack some advanced features found in dedicated upscaling software

Verdict

Video2x is an excellent open-source anime video upscaler that combines multiple AI engines for balanced performance. It’s ideal for users who want flexibility, control, and solid quality across different anime styles.

1 Best Anime Upscaler (Non-AI Powered)

While AI-powered anime upscaler tools offer stunning visual upgrades, they may not be ideal for everyone due to system requirements or processing time. If you prefer a lightweight, fast, and non-AI solution, the following anime upscaler might be a better fit.

1. Anime4k – Lightweight, Real-Time Option

Best For: Real-time anime upscaling with minimal system impact.

Supported Platforms: Windows, Mac & Linux

Anime4K is a lightweight and efficient anime upscaler designed specifically for anime videos, using a blend of algorithms to enhance resolution while preserving details and the authentic anime appearance. It's an open-source set of high-quality, real-time upscaling and denoising algorithms that can be integrated into any programming language. Anime4K prioritizes simplicity and speed, advocating for original content preservation and freedom of choice for anime fans. It offers various settings and parameters and supports multiple formats, making it an ideal choice for anime enthusiasts.

Anime4k upscaling on animation video

Pros and Cons

Pros

  • +

    Lightweight tool that will not weigh down your system while delivering super fast processing.

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    Delivers optimal results in upscaling anime videos by using a combination of algorithms.

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    The software is bug-free & doesn't crash while operating.

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    Compatible with most codecs & formats.

Cons

  • -

    You need to possess technical know-how for launching & configuring this program.

Verdict

Anime4K is the best lightweight anime upscaler for real-time playback. While it lacks deep learning precision, its speed and efficiency make it perfect for anime fans who want smoother visuals on-the-fly without heavy processing.

How to Choose the Right Anime Upscaler?

Not every anime upscaler is designed for the same audience. Your choice depends on your budget, technical skills, and desired output quality. Here’s a breakdown to help you pick the best anime upscaler for your needs:

1. Collectors & Editors – Go for UniFab

If you want to restore old anime series or edit high-quality AMVs, UniFab Video Upscaler AI is the most reliable choice.

  • Offers the best detail recovery and color restoration.
  • Handles full-length episodes or movies with batch processing.
  • Ideal for anyone seeking professional results without technical hassle.

2. Developers & Advanced Users – ESRGAN

If you want full control over the upscaling process, ESRGAN is the way to go.

  • Customizable AI models for different anime styles.
  • Produces incredibly sharp details when fine-tuned.
  • Requires technical skills and patience, as processing can be slow.

3. Fans Who Want Speed – Anime4K

For viewers who just want to watch anime in real-time at higher quality, Anime4K is perfect.

  • Lightweight, fast, and works directly in media players like VLC.
  • Doesn’t require a powerful GPU.
  • Best for real-time playback, though it won’t match the detail recovery of AI upscalers.

Conclusion

With anime's global popularity skyrocketing, fans always look for ways to enhance their viewing experience. If you're eager to take your anime-watching to the next level by upscaling your favorite movies to crystal-clear resolutions, you've landed in the perfect spot. Discover our range of anime upscaler software to enjoy your cherished shows in stunning ultra-high quality. While each tool listed above offers exceptional results, UniFab's Video Enhancer is the clear winner. It balances power, ease of use, and quality, making it the go-to solution for anime enthusiasts.

FAQs about Best Anime Upscaler

What is the best anime upscaler?

One of the best anime upscalers available is UniFab Video Upscaler, which uses advanced AI to upscale anime to 4K or higher resolution while preserving fine details, vibrant colors, and line clarity. It's especially effective for old or low-resolution anime, making them look sharp and cinematic without introducing artifacts or distortion.

What is the best AI anime upscaler free online?

If you’re looking for an AI anime upscaler free online for videos, Video2X is a great option. It’s an open-source tool that uses engines like Waifu2x and Anime4K to upscale anime by splitting videos into frames, enhancing each frame, and then recombining them. While it can be slow and requires some setup, it’s completely free and ideal for anyone who wants to try AI-powered anime upscaler without paying for premium software.

What are the advantages of using an AI anime upscaler?

An AI anime video upscaler offers hassle-free usage and quick results without the need for any editing skills. It efficiently upscales your anime videos in seconds or minutes!

What is the best video enhancer for anime?

If you're looking for an anime enhancer that delivers sharp details and vibrant visuals, I highly recommend UniFab Video Enhancer AI. It offers specialized Anime Optimized model tailored for anime, upscaling resolution, enhaning details, and restoring original clarity—all without compromising the unique art style.

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Echo
As an avid enthusiast of software testing, AI, and tech, I bring a fervent zeal for precision and innovation to my editorials. With a love for ping pong and badminton, and a passion for exploring new horizons through travel, I live by the maxim "Done is good." My articles aim to serve as your trusty compass in the fast-evolving tech landscape.