JPG Artefact: Causes, Examples, and Effective Fixes in 2025
There are blurred or blocked parts appear when you enlarge the photo this happens only when these coarse patches are known as JPG artefacts. JPG artefacts often appear when images are too compressed and saved. JPG artefacts make photos look messy and reduce overall quality. This is a problem when you use photos for website, design, or printing. This article explains the causes of these artefact JPG and introduces simple ways to fix them using simple online tools. No editing skills required.
Part 1: What Are JPG Artefacts and Why Do They Occur?

JPG artefacts are unnecessary visual effects that appear in over compressed images. These effects include block-like textures, color problems and blurring. These occur because JPG format deletes some data to make image files smaller.
JPG artefact removal is a common image format because it reduces file size. However, if the image is too compressed, the software deletes important visual details. This is the cause of artefacts found in low-quality images.
Part 2: How JPG Artefacts Affect Image Quality?

JPG artefacts change the way images look by adding unnecessary blocks, blurring and color shifts. For this reason, photos may appear messy and unclear. If you edit a photo, upload it to a website, or use it in a presentation, such artefacts will ruin the overall appearance. Even if it is originally a sharp picture, it looks low quality. This can damage how your work is viewed by others. Such small defects are often caused by storing images over and over-compression.
The impact on image quality is as follows:
- Details are lost: fine lines and edges are blurred.
- Color changes: Tonal disturbances and spots may stand out.
- Blocks: Square blocks may appear, especially in dark or flat areas.
These problems worsen when images are saved many times or small images are resized.
Part 3: Best AI Tool to Remove JPG Artefacts- HitPaw FotorPea
HitPaw FotorPea is a simple tool that can fix JPG artefacts using AI. It does not take long to understand, and it is also effective for blurred images and images saved many times. No photo editing skills required. With this tool, anyone can easily clean the image with just a few clicks. No matter what use you use for your website, print, or social media, you can use this tool to make your photos look clearer. It is a good option for those who want to get better results without taking time.

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How to use HitPaw FotorPea to remove jpg artefacts?
Step 1:Open the HitPaw FotorPea application on your device. You can either click to select an image or simply drag and drop the JPG file into the interface for quick upload.
Step 2:Once your image is uploaded, choose the Denoise model from the available enhancement options. This tool is designed to target and reduce JPG compression artefacts like blurriness and blocky pixels.
Step 3:After selecting the Denoise model, click on the Preview button. This allows you to see how the AI enhancement will affect your image before finalizing any changes.
Step 4:HitPaw FotorPea will now analyze and process the image to detect and remove artefacts. Depending on the image size, this might take a few seconds, so be patient while it works in the background.
Step 5:Once processing is finished, you can view the improved version of your image. If you're satisfied with the results, click Export to save the cleaned image without JPG artefacts.
FAQs About JPG Artefacts
Q1. What causes JPG artefacts in the first place?
A1. JPG artefacts appear when they are too compressed to reduce the file size of a photo. The compression deletes image data, especially for flat and low detail parts, resulting in blurry, color problems, and block-like patterns.
Q2. Can I remove JPG artefacts without editing software?
A2. Yes, online tools like HitPaw FotorPea help remove artefacts without the need for Photoshop or other software. These tools automatically improve images using AI.
Q3. Is it better to save images in JPG or PNG?
A3. If the file size is small, it can be JPG. But if you want better image quality and artefact-free images, PNG is better. PNG keeps more detailed information and does not lose data when stored.
Conclusion
The JPG artefacts reduce the quality of the photo by blurring it, making it unclear or messy. These problems usually occur when photos are too compressed and stored, and important visual details are deleted. This guide explains the causes of these artefacts, their impact on image quality, and how to deal with them effectively. If you are tired of seeing blocked textures and color issues in your images, try HitPaw FotorPea. It is easy to use and does not require editing knowledge. Upload a photo and leave it to the tool.
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Daniel Walker
Editor-in-Chief
My passion lies in bridging the gap between cutting-edge technology and everyday creativity. With years of hands-on experience, I create content that not only informs but inspires our audience to embrace digital tools confidently.
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