How to Convert Images to High Resolution 4K/8K/16K/32K?

This is a tutorial on how to convert images to high resolution with different tools, covering reviews, features, guide, pricing, and ratings for your reference.

Image resolution refers to the number of pixels packed into a digital image. The higher the resolution, the sharper and clearer the details appear. Conversely, low-resolution images exhibit a blocky, pixelated, or blurry appearance. So, to increase image crispness and sharpness, you need to convert low-resolution images to high-resolution with more pixels and details.

This article explores several methods to help you increase image resolution to enhance image quality for printing, uploading, or advertisement, and restore old photos.

Part 1. Top 5 Ways to Convert Images to High Resolution

Way 1. Convert Images to High Resolution with Aiarty Image Enhancer

Aiarty Image Enhancer is an AI-powered image enhancer that offers 4-in-1 image enhancement capabilities. With just a single click, you can upscale your images by converting images to high resolution, like 2K, 4K, 8K, 16K, or 32K. Also, while increasing image resolution, Aiarty Image Enhancer will automatically start the denoising, deblurring, and depixelating process for your images to improve image clarity, sharpness, and fidelity; and provide more intricate details at the same time.

Unlike other AI image enhancers, you don’t need to spend much time downloading AI models or adjusting parameters, Aiarty Image Enhancer handles everything for you effortlessly. The built-in AI algorithms analyze the original image, increase image resolution, remove noise and blur, and intelligently fill in missing details, creating a more natural and sharper high-resolution image with more details.

Key Features:

1. 3 AI models tailored for different image types: AI art, portraits, landscape, anime, photography, old photos, etc.
   • More-detail GAN model can generate intricate details to improve clarity and sharpness. This AI model can effectively enhance image types that emphasize details and sharpness, like animal fur, bird feathers, eyelashes, eyebrows, hair, wrinkles, freckles, pores, texture on cloth, the outline of a distant building, wood grain, and more.
   • Smooth Diff model is capable of creating smoother, clearer, and brighter images while maintaining the original features of images. It is tailor-made for enhancing image categories with fewer intricate details, such as 2D animations, cartoons, glass surfaces, smooth textures, logos, and line drawings.
   • Real-Photo iis capable of enhancing and upscaling photorealistic photos; and restoring old photos from yesteryear. Especially, it excels in enhancing the quality of high-resolution real photos that contain noise or imperfections.
2. 4-in-1 workflow: Auto denoise, deblur, generate details while increasing image resolution.
3. Scale images to any size: x2, x4, x8, up to 4K, 8K, 16K, or 32K.
4. Restore and revitalize old photos.
5. Super fast speed to convert 1024px to 2048px: 100 images/2 minutes (real test).
6. Batch image conversion support: 3,000 images batch processing per hour.

How to convert low resolution images to high resolution with Aiarty?

Step 1. Free download Aiarty Image Enhancer, install, and launch it.

• Please make sure your computer has met the minimum system requirements to install Aiarty Image Enhancer.
• The trial version of Aiarty Image Enhancer comes with some limitations. You are suggested to upgrade to the full version to unlock all features.

Step 2. Drag and drop one single image or multiple images to Aiarty Image Enhancer.

Step 3. After analyzing, choose an AI model in the right panel.

• More-detail GAN model is better for significant upscaling while prioritizing details and clarity.
• Smooth Diff model is better for creating smoother, clearer, and brighter images.
• Real-Photo model is better for upscaling photorealistic photos and restoring old photos.

Step 4. Choose a resolution or an upscale scale.

• Choose x1 to enhance image quality while eliminating noise, blur, pixelation, etc. artifacts.
• Choose from x2, x4, or x8 to convert images into high resolution up to 32K (on Windows) or 16K (on Mac).
• Choose from 1K, 2K, 4K, or 8K to increase image resolution to 1K, 2K, 4K, or 8K.
• Choose Custom Resolution to customize the image resolution by entering a specific value for width or height.

Step 5. Optional customization.

• Choose CPU or GPU if it is more powerful to process the image enhancement process.
• If your image is AI-generated, you can see the image prompt by clicking on the "View" button. You can also keep the prompt after upscaling.
• If needed, you can add text to your images by clicking on the "Add Text" button.

Step 6. Specify the export settings.

• Choose an output format and quality level. You are suggested to use the default settings.
• Click on the "Browse" button to choose a folder to save the upscaled images.

Step 7. When everything is OK, hit the "RUN" button to start converting images to high resolution with Aiarty Image Enhancer.

My experience with Aiarty Image Enhancer and final image showcases:

I could use Aiarty Image Enhancer to batch convert multiple images by 800% to up to 32K resolution, and it worked very fast and outputed great final images. It only took me a few minutes to upscale my image to the highest resolution (32K) even though my computer was not very powerful. Besides increasing image resolution, it could denoise, deblur, and sharpen my images, so my images became extremely clear and full of details. Even when I enlarged the final images, there is no blur or pixelation.

Way 2. Convert Images to High Resolution with Adobe Photoshop Lightroom

Adobe Photoshop is an iconic and worldwide-known photo editing software that has processed billions of images. You can also use it to convert photos and images from low resolution to high resolution. The way Adobe Photoshop provides is Super Resolution. You can get some basic information before using them to increase image resolution.

Super Resolution is an AI-powered function in Photoshop to increase image resolution with two times the linear resolution, meaning the enhanced image will have twice the width and twice the height of the original image, or four times the total pixel count. Adobe has trained the Super Resolution feature with millions of real-world pictures. With a simple click, you can instantly quadruple the pixel count in any photograph. Through the help of AI power and machine learning techs, Photoshop can choose the best-looking pixels for the context of every image and make the image crisp-looking and a framed print to put up on your wall.

How to increase image resolution with Photoshop’s Super Resolution?

Step 1. Open a raw file first. The raw files would open up automatically in the Adobe Camera Raw tool.

Step 2. Right-click the shot and choose Enhance.

An Enhanced Preview dialogue box will appear, with a few options for managing the procedure.

Step 3. Check the Super Resolution checkbox, and pan around the preview image to see the expected results. Then, click the magnifying glass icon to zoom out, and then click back on the patch you want to investigate.

Step 4. Click the Enhance option.

Step 5. After that, zoom in close enough to fine-tune aspects like sharpness, texture, and noise removal by using scales on the tool’s right edge.

Notice: If you want to use Super Resolution with JPEG, HEIC, or TIFF files, first you need to set Photoshop to open those file formats in Adobe Camera Raw by default. You can do as follows:

1. Browse the File Handling section and select Camera Raw Preferences from the menu.
2. When a dialog box appears, select the File Handling area.
3. Change the JPEG/HEIC option to "Automatically open all supported" images, then repeat the process for TIFF files if required.

My experience with Photoshop's Super Resolution and final image showcases:

It was a professional photo editing software that not very suitable for newbies who only needed to convert low resolution image to high resolution. Adobe Photoshop Super Resolution could upscale images by 2x only, which may be not ideal for super high resolution upscaling. When zooming in the upscaled image, the details was not that good.

After testing, Adobe Photoshop demonstrates improved performance with higher-resolution images; images with dimensions lower than 800x600 pixels may not produce satisfactory outcomes.

Way 3. Increase Image Resolution with Topaz Photo AI

Topaz Photo AI is a cutting-edge AI image enhancer software that leverages artificial intelligence to upscale, enhance and restore images and photos. Its advanced algorithms (Autopilot) automatically analyze and optimize images, resulting in stunning results. The software effectively reduces noise, removes haze, sharpens details, adjusts lighting, corrects colors, recovers faces, and enhances text, all while maintaining image quality.

When using it to convert images to high resolution like 4K and 8K, you can scale images by up to 600% for printing or sharing. Besides AI image resolution increase, it can also enhance image quality by adding details or eliminating scratches. Over 1 billion images have been processed, Topaz Photo AI is a experienced and powerful tool for both amateur and professional photographers seeking to elevate their photography to new heights.

Key features:

1. Image enhancement with increased resolution and intricate details.
2. Remove noise from low light.
3. Eliminate blur from camera shake, motion blur, or missed focus.
4. Sharpen images to enhance feathers and fur or remove pixelated faces.
5. Upscale images up to 6X with the most natural results.
6. Recover faces: Restore facial details without unnatural distortions.
7. Simple editing: Remove objects, preserve text, adjust lighting, and balance color.
8. Workflow integration with PS and LrC.

How to convert images to high resolution with Topaz Photo AI?

Step 1. Go to Topaz official website, download the software and install it on your computer.

Step 2. Launch the software, drag and drop your image(s) to it.

Step 3. Once added, Topaz Photo AI will automatically process and enhance your image(s).

Step 4. To upscale image resolution, you can click on the "Upscale" icon and choose the scale option. 6x is the maximum option.

Step 5. Optionally, manually adjust the parameters to perfect your image(s).

Step 6. When everything is OK, hit the "Export image" to upscale and export the image(s).

My experience with Topaz Photo AI and final image showcases:

Topaz Photo AI demonstrated exceptional proficiency in processing images of animals, such as tigers, cats, and birds. The resulting images exhibited remarkable clarity and sharpness in the fur and other features. Also, it allowed me to export PNG, JPG, DNG, or TIFF format as well. However, it appeared that Topaz Photo AI struggles with face processing. A comparative analysis between Aiarty Image Enhancer and Topaz Photo AI also indicated that the facial images produced by Topaz were significantly blurrier than those generated by Aiarty.

Way 4. AI Increase Image Resolution with Upscale.media

Upscale.media is a sophisticated online image upscaling tool powered by artificial intelligence, specifically designed to effortlessly improve the resolution up to 8 times their original size, say 1,500 x 8 = 12K, and enhance quality of digital photographs. This platform employs advanced AI algorithms to selectively or batch convert standard JPEG and JPG images into high-resolution works of art. By meticulously analyzing and incorporating intricate details, Upscale.media enhances image clarity, sharpness, and overall aesthetic appeal.

Whether you aim to refine personal photographs or elevate professional visuals, Upscale.media offers a user-friendly solution for transforming low-quality images into high-quality representations. The tool accommodates various file formats, including JPEG, JPG, PNG, WebP, and HEIC, ensuring versatility for diverse requirements. With its intuitive interface and robust technology, Upscale.media guarantees that your images will appear stunning and vibrant, making it an excellent choice for anyone striving for exceptional photo quality.

How to convert images to high quality with Upscale.media?

Step 1. Go to Upscale.media official website: https://www.upscale.media/, and click "Upload Image" to upload your image(s) in png, jpeg, jpg, or web format.

Step 2. After uploading, you can choose "Normal Upscaling" or "AI Upscaling". "Normal Upscaling" supports 2x upscaling, while "AI Upscaling" supports up to 8x upscaling.

Step 3. If you use "AI Upscaling", you can toggle "Enhances Quality" on or off.

Step 4. Click the "Download Image" button to download a high-resolution image.

My experience with Upscale.media and final image showcases:

I could only add an image up to resolution 1,500 x 1,500px to Upscale.media. The uploading process especially when uploading large images was quite slow. It is really suitable for small image upscaling. When I added 1024 x 1024px image, I could only choose 2x to upscale my image resolution as it could only output an image in 25MB. The final image was brightened a little, but it still appeared blurry when being zoomed in.

Way 5. Convert Images into High Resolution Online with VanceAI

VanceAI is an online high-resolution image converter with a user-friendly interface that leverages artificial intelligence to enhance and upscale images to high resolution. It offers a suite of tools for photographers, graphic designers, and anyone who wants to improve the quality of their digital photos and pictures.

VanceAI's core strength lies in its AI capabilities. It utilizes deep learning algorithms trained on massive datasets to upscale images, remove backgrounds, and enhance details. Users have praised the remarkable outcomes, especially when enlarging low-resolution images to high resolution up to 4K without compromising quality. In addition, for those dealing with a large volume of images, VanceAI facilitates batch processing, saving significant time for users.

Currently, VanceAI only supports JPEG and PNG images, which might be a drawback for users working with other formats. The web-based version relies on internet connectivity, which can be a concern for users with slow or unreliable connections or those working with privacy-sensitive images.

How to convert images to high resolution with VanceAI?

Step 1. Go to VANCEAI’s official website.

Step 2. Click the "Start Now" button. You are required to have an account to log in first.

Step 3. Drag and drop an image to the main interface.

Step 4. Choose AI Image Upscaler mode from the drop-down menu on the right. Then, select an AI model and an upscale scale (e.g. 1X, 2X, 4X, 8X, 4K).

Step 5. Optionally, you can tweak the parameters based on your own needs.

Step 6. When everything is OK, click on "Start to Process" to start increasing image resolution.

My experience with VanceAI and upscaled image showcases:

I was impressed by its user-friendliness and remarkable features. I valued its accessibility. The tool could enhance image resolution by 800%, effectively minimizing blur, eliminating noise, and restoring original details. In comparison to other online tools, it operated at a significantly faster speed.

Part 2. Comparison Table of the 5 Ways

Part 3. How We Test the Best AI Image Resolution Upscalers

When choosing the best image resolution upscaler, it's essential to consider several key factors that directly impact the quality of the output image and your using experience. Here's a breakdown of the criteria we prioritize when choosing a tool to convert image to high resolution:

Increase image resolution: The tool first should increase image resolution to 4K, 8K or even higher to satisfying the printing purposes. Also, we assess how well the upscaler enhances clarity and sharpness while increasing image resolution.

Increase Image Quality: We then focus on the tools' ability to enhance details, restore lost elements, denoise, deblur, and depixelate images. Compare before-and-after results for a clear visual impact.

Fast speed: We measure the processing time for each image. A good upscaler should provide quick results without compromising quality even on a moderate computer.

Ease of UI: A user-friendly design is crucial for accessibility, especially for those less tech-savvy.

Editor’s review: We listen to users and trust reputable media outlets to gain professional opinions on an image upscaler. Based on editors’ and users’ reviews, we only choose those ones that received a rating over 4.0 (out of 5).

With the right technique and tool, converting low-resolution images into high-resolution gems is no longer a fantasy. Aiarty Image Enhancer, the simple but professional AI-powered tool, can easily increase image resolution while upholding visual quality, giving you the rich details and clean edges you need to make the most of any shot. So, unleash your creativity, upscale your images, and let them print-ready and shine!