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waifu2x

Free#42 of 99 in Image Upscaling Software

waifu2x: A focused open-source upscaler for anime art, scans, and photos. Ranked #42 of 99 in Image Upscaling Software by our editors (6.0/10); pricing: Open source; best for open-source anime and photo enhancement.

6.0/10Editor score

Visit waifu2x

waifu2x6.0 Visit waifu2x

At a glance

Editor score
6.0 / 10
Pricing
Open source
Best for
Open-source anime and photo enhancement
Paid from
Free
Upscaling method
Ai
Facts checked
20 Sep 2026

Where it wins
- Supports anime art, scans, and photo enhancement modes
- Offers web, desktop, command-line, and self-hosted use
- Provides batch conversion with up to 4x enlargement
Where it doesn't
- Maximum enlargement is limited to 4x
- Input format support is listed as PNG and JPG
- Feature breadth is narrower than broader image enhancement tools

Our verdict on waifu2x

waifu2x is an open-source image super-resolution tool for anime-style artwork, scans, and photographs. It uses deep convolutional neural networks to enlarge images and reduce JPEG-related noise. The product supports artwork, artwork/scans, and photo modes, making it a practical fit for users improving illustrations, scanned material, or photographs rather than managing a broad creative production workflow.

Its strongest advantage is flexibility across environments. The web service is publicly accessible, while the open-source implementation supports Windows, macOS, and Ubuntu installation paths. Users can also work through command-line and self-hosted usage, and batch image conversion is available for processing multiple images. The listed enlargement options are 1.6x, 2x, and 4x, with PNG and JPG input support. This combination suits individuals and technical teams that want local or automated processing alongside a browser-based option.

waifu2x remains intentionally focused. Its standout capabilities center on AI upscaling, anime-style artwork enhancement, photo processing, and JPEG artifact noise reduction, with a maximum scale of 4x. That focus is useful when those tasks match the workflow, but the narrower feature breadth may be less suitable for users seeking a wider image-editing or enhancement suite. Choose waifu2x for open-source access, batch conversion, and deployment flexibility across web, desktop, command-line, or self-hosted setups; consider an alternative when you need enlargement beyond 4x or a broader set of image tools.

Your product? Our editors can test waifu2x in depth and publish a review, labelled as paid · from $149/mo →

waifu2x pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on waifu2x.net

waifu2x fact sheet

Free plan	Not verified
Paid from	Free
Upscaling method	Ai
Maximum scale	4x
Batch processing	Yes
API access	Not verified
Desktop app	Yes
Input formats	PNG, JPG
Deployment	Cloud, Self-hosted, Desktop
Platforms	Web, Windows, macOS, Linux
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Open source
Website	waifu2x.net
Facts checked	20 Sep 2026

Alternatives to waifu2x

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Featured on iTechGuides

waifu2x is listed in our Image Upscaling Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update