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Waifu2x
FREE · FreeWaifu2x is an open-source image upscaler that specializes in upscaling anime-style artwork and denoising images using deep convolutional neural networks.
4.6(249 reviews) 0 views Updated 8/27/2026
Overview
Waifu2x is a free, open-source image upscaling and denoising tool specifically designed for anime and manga-style artwork. It uses deep convolutional neural networks to upscale images by 2x without losing quality and remove noise from compressed images. Waifu2x is widely used by anime fans and digital artists.
Key Features
Open-source image upscaler specialized for anime-style artwork and illustrationsNoise reduction and denoising modes for compressed or low-quality source imagesMultiple noise reduction levels (0-3) for different image conditionsWeb and command-line interfaces for flexible usage optionsCompletely free and open-source with no registration or credits
Pros
Completely free and open-source — no paywalls or credit systemsSpecialized for 2D anime art — produces better results than generic upscalersCLI version enables scriptable batch processing for advanced users
Cons
Interface is very basic — no modern UI or advanced controlsOnly handles anime/illustration styles — photorealistic images get worse
Pricing
Waifu2x pricing starts at Free. Enterprise pricing available.
Conclusion
Waifu2x is a good choice for Open-source image denoiser. Pricing is competitive.
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4.6
249 reviews