Apply mosaic or blur effect to specific areas
Drag & drop or click to upload
Supported formats: JPG, PNG, WebPHide faces, names, license plates
Blur unwanted background elements
Hide passwords, personal info
Protect addresses, unit numbers
Mosaic processing is a technique that divides a specific area of an image into small color blocks, making the original content unrecognizable. It is used to deliberately remove pixel-level detail in order to hide personal or sensitive information. It is mainly used to protect information such as faces, license plates, and addresses.
Adjusting the intensity slider changes the size of the mosaic blocks. Higher values create larger blocks for a stronger blur effect, while lower values create smaller blocks for a finer mosaic. Choose an appropriate value between 5 and 50 depending on your purpose.
Yes. After uploading an image, drag the mouse to select the desired area, and the mosaic or blur effect will be applied only to that part. Multiple areas can be selected consecutively, and if you make a mistake, you can undo it with the undo button.
Since mosaic processing actually removes pixel information from the original image, it is impossible to restore the original after processing. Be sure to keep a separate copy of the original image before saving. This tool provides a preview before the effect is applied, so check the result before downloading.
In the modern digital environment, protecting personal information and respecting portrait rights are critical when sharing images. Exposing sensitive details such as other people's faces, license plates, addresses, or personal contact information can lead to legal and ethical issues. Mosaic processing effectively conceals such information, helping you fulfill your privacy protection obligations.
Mosaic processing is used in a wide variety of content creation, including YouTube thumbnails, blog posts, and social media posts. It is essential for hiding the faces of unidentified individuals in street or event photos, or protecting personal information in screenshots. It is also widely used in images included in news articles, educational materials, and legal documents.
Mosaic converts an image into a grid of colored blocks, pixelating the processed area into a square pattern. Blur averages the colors of surrounding pixels to create a smooth, soft effect. Mosaic provides a stronger information-blocking effect, while blur is more suitable when you want a natural visual effect. Choose the method that best fits your purpose.