5 Best Waifu2x Alternatives to Upscale Anime Photos Online

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5 Best Waifu2x Alternatives to Upscale Anime Photos Online

Last Updated: 2025. 08. 12

Are you an anime fan frustrated by the unavailability of Waifu2x.booru.pics? The popular open-source tool for upscaling and denoising anime and manga pictures is no longer accessible.

Although the original generator(Waifu2x) is still online, many anime enthusiasts are now on the hunt for reliable Waifu2x alternatives that offer a smoother and more efficient anime image enhancement experience.

Waifu2x Website Unaccessible Notification Page

Good News - your search ends here! In this blog, we’ll take you through 5 best alternatives to Waifu2x, including some waifu2x alternative reddit recommendations, so that you can choose the perfect tool to fit your needs.

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Brief Review of Waifu2x

Waifu2x is an open-source photo upscaler and denoiser using deep learning algorithm to enhance quality of images. Originally designed to improve quality of anime-themed pictures, it can also be used to edit other types of photos.

The name Waifu derives from a slang in anime/mange culture, referring to the beloved fictional female character, and 2x,means two-times image resolutions.

The Main Interface of Waifu2x for a Brief Review

Key Features of Waifu2x

Free & open-source anime-themed image enlarger.

Enlarge anime image up to 4x online without losing quality.

Offline version available and customizable settings support.

Remove artifacts and compression noises while preserving original art lines and colors.

Cons:

Works best on anime-style images, not optimal for real-world photos.

No Batch processing support on the web version.

Lack advanced features to control your images in professional-level.

As Waifu2x udp, Waifu2x.booru.pics and other similar website continue to go offline, an increasing number of people are searching for reliable alternatives to maintain their workflow. Now that you're familiar with Waifu2x, let's explore the top Waifu2x alternatives recommended below.

5 Best Waifu2x Alternatives Online

1.FlexClip

FlexClip is an one-spot Waifu2x alternative, offering robust and reliable image enlargement service for anime and general photos. Utilizing advanced AI algorithm, it upscales your images to 4x and restore its clarity by removing noises in one click.

The Best Waifu2x Alternative Online - FlexClip

Beyond its powerful image enlargement capabilities, FlexClip offers exceptional customization tools for anime enthusiasts. Transform your anime artwork into lifelike characters, blend multiple characters to create unique video compositions, experiment with creative face swaps, or bring sketches to life with AI colorization.

Other Stunning AI Features of FlexClip

For creators seeking a comprehensive solution to enhance low-resolution anime images, FlexClip presents an excellent option worth exploring.

Key Features

An AI anime upscaler with intuitive interface.

Advanced editing feature to customize your sharper picture.

Magnify various images including cartoon, anime, cyberpunk and general photos up to 4k.

Extensive AI-powered tools to unleash creativity with your upscaled picture.

Cons:

Currently it only supports one-single picture enlargement.

2.Let’s Enhance

For anyone who looks for a Waifu2x alternative to give their anime-style image a sharper look, Let’s Enhance, an AI-powered image upscaler is a good option to go. It helps you increase low-resolution images up to 16x, enhance quality by denoising photos and batch processing 10 images at once. Unlike Waifu2x only works best with anime-like pictures, Let’s Enhance can address images in wide range of types.

The Best Waifu2x Alternative Online - Let's Enhance

Key Features

Simultaneously upscale images up to 10.

Various enlargement options from 2x, 4x to 8x, 16x.

Work with all types of images in various formats.

Increase photo resolution with impressive quality enhancement.

Cons:

It takes a long time to process.

Only paid users can choose 8x and 16x.

The free version of Let’s Enhance applies a visible brand watermark to all downloaded images.

3.Bigjpg

Bigjpg is an excellent alternative to Waifu2x if you want to enhance anime, manga and other types of images. It uses Deep Convolutional Neural Networks to intelligently reduce noises and serration in photos.

The tool offers impressive upscaling capabilities, supporting enlargements of up to 16x without quality loss. For users handling bulk operations, Bigjpg provides convenient batch processing functionality, making it ideal for editing large quantities of images efficiently.

The Best Waifu2x Alternative Online - Bigjpg

Key Features

Work best for anime and illustration images, preserving colors, details and edge as original.

Various photo magnification options: 2x, 4x, 8x, 16x.

Offline versions for Windows, Mac and mobile devices are available.

Support batch photo upscaling.

Cons:

The download speed is relatively slow.

Lack advanced controls for photo customization.

Users with free version can only upscale images to 2x and 4x.

The enlargement process frequently fails when the internet is unstable or peak usage times.

4.Gigapixel AI

Gigapixel AI offers an effective photo enlargement process while adding clarity and details to photos. It stands out for batch processing, photo magnification to 8x and fast preview in real time. As it specializes in upscaing with precision, it’s mostly used by professional photographers and designers who require precision in their work.

The Best Waifu2x Alternative Online - Gigapixel AI

Key Features

Clean and user-friendly interface to upscale your images.

You can use it to enlarge up to 10 images at one time.

Work with various of images including portraits, group pictures, anime photos, etc.

Cons:

A upgrade is required to unlock batch process feature.

Only paid users can access to 4x, 6x and 8x.

Download fails frequently happen.

AnyRec AI

AnyRec AI is a Waifu2x converter alternative that allows users to upscale images up to 800%. It’s ideal for simple and fast anime picture enlargement. Since it’s web-based, you can straightly use it to transform your low-resolution picture into a high-quality and sharper even without the need to sign up.

The Best Waifu2x Alternative Online - AnyRec A

Key Features

It’s web-based upscaling tool requiring no installation or account.

Magnify your pictures to 2x, 4x, 6x, and 8x.

Support effective real-time preview to your enlargement picture.

Cons:

No batch processing support—only single-image uploads are possible at present.

Lack advanced editing features for you to customize.

Free version is limited to 2x enlargement.

A maximum upload size of around 10 MB, which could challenge high-resolution image workflows.

The Bottom Line

That’s all for 5 best Waifu2x alternatives online. If you have low-resolution anime pictures, illustration or manga photos that you’d like to enhance and upscale, just choose one from five recommended alternatives to Waifu2x and enhance your photos with ease. Now it’s your move.

Bella /

Full of vitality, curiosity and hope, Bella is an energetic copywriter at FlexClip. She mainly concentrates on video creation and troublesome issues related to video editing, providing users with practical solutions and tricks. Personally, Bella loves novels, sci-fi movies, cooking and travel. And, she believes that all her life is the best arrangement from God.