Last updated 08-15-2026
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Waifu2x.pro
Waifu2x.pro upscales and denoises images in the browser using waifu2x-style deep learning models. Upload a JPEG, PNG, or WebP file, pick 2x upscaling, set a low-to-high noise reduction level, and choose illustration or photo mode before downloading the enhanced result. The site targets anime art, screenshots, e-commerce photos, and old scans that need a quick quality boost.
Dedicated desktop waifu2x apps need installs and GPU setup. Waifu2x.pro runs entirely in the browser with no account, no watermark, and no subscription. Processing typically finishes in 5 to 15 seconds, and the FAQ states images are handled locally when possible rather than stored on servers.
Digital artists, online sellers, and casual users who want a free 2x upscale without installing software are the main audience. Output formats are PNG or JPEG, and the tool caps uploads at 10MB per the FAQ.
2x resolution upscaling with low, medium, or high denoise levels
Supports JPEG, PNG, and WebP uploads up to 10MB
Illustration and photo processing modes for different image types
Results in about 5 to 15 seconds with a before-and-after comparison slider
Free with no subscriptions, watermarks, or usage limits
Browser-based workflow with no software download required
Completely free with no account required and no output watermarks.
Illustration mode suits anime art and screenshots better than generic photo upscalers.
Browser-only workflow avoids desktop installs and runs on mobile devices.
Maximum upscale factor is 2x; no 4x or higher enlargement option is listed.
Upload limit is 10MB per image on the FAQ, which blocks large RAW or print files.
Only three subpages beyond the homepage were available during research.
Is Waifu2x.pro free?
Yes. Waifu2x.pro is free to use with no subscriptions, hidden fees, or watermarks, according to its FAQ. The site also links to a Patreon page for optional supporter donations.
What file types does Waifu2x.pro support?
Waifu2x.pro accepts JPEG, PNG, and WebP images. The FAQ lists a 10MB maximum file size, and the upload area notes WebP support for browser-based enhancement.
How much does Waifu2x.pro upscale images?
Waifu2x.pro offers 2x upscaling alongside AI noise and artifact removal. You can also run enhancement with no upscaling if you only need denoising.
How long does Waifu2x.pro take to process?
Waifu2x.pro typically finishes enhancement in 5 to 15 seconds, per its FAQ. The homepage also advertises lightning-fast processing through an optimized pipeline.
Does Waifu2x.pro store my images?
Waifu2x.pro states images are processed locally in the browser when possible and are not stored permanently. The privacy policy page is linked from the site footer for full details.
What is the difference between illustration and photo mode?
Waifu2x.pro lets you pick Illustration or Photo as the original image type before processing. The setting tunes the waifu2x-style model for artwork versus camera photos.