Waifu2x Online：免費AI批次圖像放大器，適用於動漫與漫畫

Waifu2x OnlineBatch AI Upscaling

Batch-convert anime and manga to clean 2x, 4x, or 8x results in your browser. No waifu2x GUI download for Windows or Mac.

Built on the waifu2x method used in waifu2x-caffe and waifu2x-ncnn-vulkan. Upload PNG, JPG, or WebP files up to 5MB for crisp line art and noise reduction.

Example Output

2x waifu2x output preview

Sign up to get 20 free credits

Start enhancing your images today

Upload Batch (2)

Drop files here or click to browse

Direct image links only (PNG/JPG/WebP, 5MB max).

📤 Batch: 0/2 images

Denoise available in Starter, Pro & Max plans

Manga mode available in Starter, Pro & Max plans

Photo mode available in Pro & Max plans

Upgrade to Starter for 4x upscaling

Anime Enhancement

Automatically remove noise and artifacts while upscaling anime art.

Texture Details

Recover intricate details in clothing and background textures.

Sharp Lines

Produce crisp, professional-grade line art from low-resolution sources.

Learn More About AI Upscaling

Guides, comparisons, and tutorials for getting the best results

Waifu2x vs Upscayl vs Topaz: Which AI Upscaler is Best in 2026?

A clear comparison of waifu2x online, Upscayl, and Topaz Video AI for anime and photo upscaling, with pros, cons, and who each is for.

How to Upscale Manga: Complete Guide to Preserving Line Art Quality

Step-by-step tips for waifu2x manga upscaling while keeping sharp lines, clean edges, and readable screentones.

Best Free Waifu2x Alternatives with Unlimited Processing in 2026

Free waifu2x alternative options like Upscayl, waifu2x-caffe, waifu2x-ncnn-vulkan, and waifu2x-extension-gui, plus when to use each.

Real-ESRGAN vs Waifu2x: Which AI Engine Should You Use?

A practical comparison of Real-ESRGAN and waifu2x, and when to use each for anime, manga, or photos.

FAQ

Q:Do I need to download waifu2x for Windows or Mac?

No. Waifu2x Online runs entirely in your browser. No software installation required. If you prefer desktop apps, waifu2x-caffe and waifu2x-ncnn-vulkan are common alternatives.

Q:Is Waifu2x Online free to use?

Yes. Sign up to get 20 free credits. Free users can use 2x upscaling with Anime mode. Paid plans unlock 4x, 8x upscaling, Photo mode, Noise Reduction, and Face Enhancement.

Q:What upscaling options are available?

We offer 2x, 4x, and 8x upscaling. Free users get 2x. Starter plan adds 4x. Pro and Max plans include 8x upscaling with Photo mode for the best quality on photographs.

Q:What is Noise Reduction?

Noise Reduction removes grain, compression artifacts, and noise from images before upscaling. This results in cleaner, sharper output. Available from Starter plan and above.

Q:What is Face Enhancement?

Face Enhancement uses AI to improve facial details and clarity, especially useful for portraits and group photos. Available from Pro plan and above.

Q:What file formats are supported?

We support PNG, JPG, and WebP files up to 5MB. The output is always a high-quality PNG file.

Q:How does waifu2x compare to Upscayl or Topaz?

Waifu2x is optimized for anime and manga line art. Upscayl is a free desktop app that runs locally. Topaz is a paid professional tool. Waifu2x Online gives you browser-based convenience with no installation.

Q:Can I process multiple images at once?

Yes. Free users can batch up to 2 images. Starter allows 4 images. Pro and Max plans support up to 6 images per batch, with discounts for 3+ images.

Q:Is waifu2x AI or generative AI?

Waifu2x uses convolutional neural networks to enhance existing images. It is not generative AI - it upscales and improves your images without creating new content.

Q:Is it safe to use?

Images are processed securely on our servers. We do not permanently store your original images. For privacy details, see our Privacy Policy.

AI-powered image upscaling for anime, manga, and photos. 2x, 4x, 8x upscaling with noise reduction and face enhancement.

Get the latest updates on model improvements and features.

© 2026 Waifu2x Online. Crafted for anime enthusiasts.