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waifu2x

Name: waifu2x
Availability: InStock
Rating: 4.81 (11000 reviews)

Transform low-res illustrations and photos into crystal-clear masterpieces. Experience high-performance on-device AI processing with total privacy and zero ads.

Key Figures

Downloads

811K+

User Rating

4.8/5

Total Ratings

11K+

Publisher

宜谢

Professional AI Enhancement in Your Pocket

Upscale and denoise your favorite illustrations and photos using industry-leading AI models. Experience desktop-class performance with total privacy and no advertisements.

Private On-Device Processing

Your images never leave your device. All AI calculations happen locally, ensuring your data stays private while leveraging Apple's Neural Engine for maximum speed.

Optimized for Anime & Art

Breathe new life into low-res fan art. Specialized Real-CUGAN and Real-ESRGAN models eliminate compression artifacts and sharpen lines with surgical precision.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

waifu2x - The main screen of the waifu2x app with a plus icon and instructions to add images for AI upscaling — The main screen of the waifu2x app with a plus icon and instructions to add images for AI upscaling

waifu2x - Interface of waifu2x app showing a list of AI models for image upscaling and denoising including Real-ESRGAN and Anime4K — Interface of waifu2x app showing a list of AI models for image upscaling and denoising including Real-ESRGAN and Anime4K

waifu2x - Screenshot of the waifu2x app showing image upscale settings and output formats — Screenshot of the waifu2x app showing image upscale settings and output formats

waifu2x - A list of custom AI upscaling models in the waifu2x app including AnimeSharp and Realistic Rescaler. — A list of custom AI upscaling models in the waifu2x app including AnimeSharp and Realistic Rescaler.

waifu2x - Screenshot of the waifu2x mobile app showing two upscaled anime illustrations with resolution and file size details. — Screenshot of the waifu2x mobile app showing two upscaled anime illustrations with resolution and file size details.

waifu2x - A close-up preview of an anime illustration's eye in the waifu2x app showing the upscaling result. — A close-up preview of an anime illustration's eye in the waifu2x app showing the upscaling result.

waifu2x - Preview of an upscaled anime character showing high resolution detail — Preview of an upscaled anime character showing high resolution detail

Description

This app can scale and/or denoise images using various advanced on-device AI algorithms. Note that this app is not affiliated with the original waifu2x project. Privacy is one of the top priorities of this app. Your files will never leave your device to be processed. Additionally, we don't collect any personal information because there are no ADs even if you only use free models. Therefore, if you encounter any problems, please send us a feedback email or create a GitHub issue so that we can work together to fix them. Try additional models and custom models on your own images for free before you purchase! Highlight features: 1. Unlimited number of imported images. 2. Supports both SRCNN and CUnet models from the original waifu2x project. 3. Supports Real-ESRGAN models for both illustrations and photos. 4. Supports Real-CUGAN models for anime illustrations. Also supports customizable intensity. 5. Supports Anime4K models for anime videos. 6. Supports custom Core ML models. Import any model to process images for your specific needs. 7. Custom scale modes. You have options to scale images up to 128x, 1.5x, fixed size and more. 8. Supports multiple ways of importing images: the album, files, folders, drag and drop, other apps, Shortcuts. 9. Supports images with alpha channel. 10. Multiple output formats: PNG, JPEG, HEIF, WebP. 11. Multiple processing backends. You can choose between highest quality or highest speed. 12. Write output images directly to an external path (including network drives like SMB). 13. End-to-end support for 16-bit color and color spaces. Color accuracy will not be compromised after processing. 14. Highly optimized RAM usage. You can easily produce images that don't even fit inside your device RAM. 15. Supports deleting or replacing original images if they come from the album. 16. Supports downscaling images before processing, which is useful while processing some photos. Source code of core function is available on GitHub: https://github.com/imxieyi/waifu2x-ios Usage of images in screenshots is granted by the original author Kurumi: https://twitter.com/0115_kurumi The primary app icon is illustrated by Kapuru: https://twitter.com/KaPuRu_0410