Sharpening an image means removing blur, and enhancing details to make the image clear and natural. We can’t avoid every image error like camera shake, motion blur, and wrong focus, so sharpening images can be a very important procedure to fix these errors. While this procedure can be accomplished by powerful AI algorithms. To be clear, AI algorithms have been applied in the image editing field, and there are some good AI image sharpening tools we can use. Keep reading to know how to sharpen images online for free using the AI tool.

Part 1: Sharpen Images Online for Free

AVCLabs AI Image Enhancement is an online image sharpener powered by AI algorithms. You can upload and sharpen images automatically online for free using this tool. Check the steps below to know how to use it.

Steps to sharpen blurry photos online for free:

Click here to open AVCLabs AI Image Enhancement online and click on the “Click to upload” button to upload the images. You can also drag the image to upload it.

After the images upload successfully, there are two options in the right panel for you to choose: Feature and Scale. Click on the feature’s box and select the “AI Image Sharpen” model in the drop-down list. The scale is used to enlarge the image, 100%, 200%, 300%, and 400% are supported. You can switch off the “Face Refinement” function if your image isn’t a portrait.

Note: Different amounts of credits will be required based on the AI features you choose when using the online service. The free license has 8 credits. Processing 1 image costs 1 credit. Upscaling 1 image up to 300% costs 3 credits, and 400% costs 4 credits. Using Face Refinement costs 2 credits.

Click the “Start Processing” button at the bottom right corner to begin sharpening.

Once the process finishes, the sharpened images will be shown under the “processed image” tab. You can click the eye icon in the right place to preview the sharpened image. If you are satisfied with the effect, you can click the “Download Image” button to download the sharpened image immediately. You can also back to the “processed image” tab and click the download icon to download it. Please note that the processed images will be deleted after 72 hours, so we suggest downloading them to your computer in time.

---

Part 2: Sharpen Images with AI Desktop Software

Although the online tool is very convenient to use, it requires a good internet connection. If your internet speed is not good, the process will be slow and unsteady. For a better effect and more steady process, a professional AI photo sharpener is needed. And here we recommend AVCLabs Photo Enhancer AI which lets you do the easiest operation to sharpen images. Empowered by AI technology, the whole process is 100% automatic, and no fine-tuned work is needed. Besides enhancing the image’s quality, it can also enlarge images without losing quality; colorize black and white photos in one click; fix/calibrate bad or wrong colors in the photo; accurately remove the image’s background automatically.

Steps to sharpen blurry photos with AVCLabs Photo Enhancer AI:

Download and install AVCLabs Photo Enhancer AI on your computer. AVCLabs Photo Enhancer AI supports both Windows and Mac computers. You can click here to check detailed information about the system and hardware requirements of AVCLabs Photo Enhancer AI.

Launch the program when you finish the installation. You will get into the main interface. Then click on the "Browse" button to import the photos, or drag and drop to import directly.

AVCLabs Photo Enhancer AI offers 5 options of AI Feature: AI Upscaler, AI Denoiser, AI Color Calibration, AI BG Removal or AI Colorizer to meet users' different demands. Among them, the AI Upscaler model is the most powerful one. It can sharpen images, improve the overall photo quality, enlarge photos, and supply face refinement function for portrait photographs. So here we select the Upscale model.

Under the Feature List, there are "Image Size" and "Face Refinement" you can set. You can choose to upscale the photo to 100%, 200%, 300%, or 400%. Please note that the higher the scale factor, the higher configuration required and more processing time. Then you can switch on/off the Face Refinement function according to the photo’s subject.

AVCLabs Photo Enhancer AI supports previewing the sharpened image before saving it to the computer. You can click on the eye icon and the program will begin processing. When it finishes, you can drag the white line to see the contrast.

Now you can click on the "Save All" button to save the AI sharpened images to your computer. Please note that the free trial version will export images with watermarks.

---

Video Tutorial: How to Sharpen Images without Any Advanced Skills

---

Conclusion

Using an AI online tool or dedicated software to sharpen images is easy and convenient. This article introduces how to use the online AI image sharpening tool: AVCLabs AI Image Enhancement and the desktop AI software: AVCLabs Photo Enhancer AI to sharpen images. Both of them are easy to use and can sharpen images automatically. Why not choose a tool you prefer and go to sharpen your images?