Waifu2x
Free online AI image upscaler optimized for anime, artwork, and illustrations
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What is Waifu2x?
Waifu2x is Free online AI image upscaler optimized for anime, artwork, and illustrations It's designed for upscaling clean anime stills and illustrations.
Waifu2x Tutorial
Video preview
About Waifu2x
Key Strengths
- Free, lightweight upscaler for anime, manga and line art
- Preserves lines well and denoises effectively
- Open source
Limitations to Consider
- Weak on photos
- Limited to about 2x per pass
- No native video or batch workflow
Best For
Upscaling clean anime stills and illustrations.
Skip it if: You're upscaling photos or video. Use Real-ESRGAN or Upscayl.
Pricing
a completely free service with no subscription required
Free. (checked Oct 11, 2026)
Sources
- https://www.bigiron.cc/guides/image-upscaling-on-the-homelab-real-esrgan-vs-waifu2x-vs-video-pipelines
- https://letsenhance.io/blog/all/best-anime-upscalers/
Pros, cons and pricing compiled from public sources (official pricing/docs pages, published reviews, user reports), not hands-on testing.
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What is Waifu2x?
Waifu2x is Free online AI image upscaler optimized for anime, artwork, and illustrations It's designed for upscaling clean anime stills and illustrations.
How much does Waifu2x cost?
Waifu2x offers a completely free service with no subscription required You can get started for free on their official website.
Who should use Waifu2x?
Waifu2x is best suited to upscaling clean anime stills and illustrations — particularly users who need high-quality visual content creation.