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Recommended Image Upscaling Tools

#Images20
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A recommendation for tools that can enlarge images without losing quality. Various options are available, such as Zosugar, Bigjpg, waifu2x, AI Image Enlarger, Squirrel Anime Enhance, and AI-Lossless-Zoomer. These tools use AI technology to enhance image quality and offer features like noise reduction and detail enhancement. They are free to use and support different platforms like Windows, macOS, iOS, and Android.

The problem of blurry images is something that we have all encountered. Due to compression, screenshots, and other reasons, memes and images that are passed around become increasingly blurry, almost like they have been "pixelated".
Sometimes, we only have low-resolution, small-sized, and blurry images, and we can't find a clear, high-resolution original image. What should we do in this situation? This is where the "lossless image enlargement tools" come into play.

1. Zuo Tang#

Official description: Using artificial intelligence deep learning technology, it supplements the noise and jagged parts of the enlarged image to achieve high-definition image quality. Special algorithms are used to enhance the details of the enlarged image, including lines, colors, and dots. In addition to lossless image enlargement, it also supports removing watermarks from images, and it is available on Windows, macOS, iOS, and Android.

And all services are completely free.#

2. Bigjpg - AI Image Enlarger#

The free version can enlarge images 2-4 times and allows you to choose different levels of image denoising. After upgrading, you can enlarge images up to 16 times. It supports Windows, Mac, and Android clients.
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3. Waifu2x#

  • Website: https://waifu2x.udp.jp/
  • Description: File size ≤ 5MB, denoised image ≤ 3000x3000px, enlarged image ≤ 1500x1500px

This is a famous open-source project on GitHub that uses deep convolutional neural networks to achieve lossless image enlargement. You can choose illustrations or photos and enlarge them by 1-2 times, with support for denoising.
image You can also use the third-party open-source Windows client waifu2x-caffe, which supports batch processing, larger enlargement ratios, and more optimization options.

4. AI Image Enlarger#

  • Website: https://imglarger.com/
  • Description: Image ≤ 3MB, dimensions ≤ 800×750, after logging in ≤ 2000×2000

Enlarge images 2-4 times, automatically analyze image noise and jagged edges, and restore details. image

5. Squirrel Anime Enhance (Windows)#

Easy to use and supports videos, allowing you to interpolate frames in videos. With the advent of AI, the effect of lossless image enlargement has also improved. Currently, there are several AI projects for lossless image enlargement: waifu2x, Real-ESRGAN (produced by Tencent), and the one we are introducing today, Real-CUGAN (produced by Ah B). These algorithms are mainly designed for anime/cartoon images and have excellent results. You can see the excellent preservation of texture details in the images produced by Real-CUGAN, a product of Bilibili.
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waifu2x: models cunet: generally used for anime super-resolution, models photo: generally used for real photos, models style anime: generally used for old anime.
realCUGAN: Denoise version: mainly for images with a lot of noise; No-Denoise version: recommended for images with less noise, decent compression, and the desire to improve resolution/clarity/general enhancement and restoration without changing the art style; Conservative version: recommended if you are concerned about losing texture, changing the art style, or enhancing colors. In short, if you are concerned about AI leaving obvious processing traces, use this version.
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6. AI-Lossless-Zoomer (Windows)#

AI-Lossless-Zoomer is a Windows software for lossless image enlargement that is open-source on GitHub. It uses the image super-resolution model (Real-ESRGAN) provided by Tencent ARC Lab to significantly improve image resolution.
It has excellent enlargement effects on real photos, anime images, illustrations, memes, and more.

image

  • Features:
    • Supports multi-threaded processing
    • Supports batch image processing
    • Supports customizable options
    • Supports custom output formats and paths
    • Supports AI engine selection
    • Supports batch task cleanup
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