Dilate Image Online
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What you can expect
The dilate tool performs a dilation, also known as a morphological max, on your image. Select your image and select the dimension.
Related tools
More BrushCue tools that fit this workflow.
Erode
The erode tool performs a erosion, also known as a morphological min, on your image. Select your image and select the dimension.
Median Filter
Runs a median filter over the composition. This will accumulate the R, G and B components of your image and then calculate the median of each component. Valid range for the kernel size is between 1 and 5. Use this tool to remove noise from an image.
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Online Scientific Image Processing Tools
→Frequently asked questions
- What does image dilation do?
- Dilation expands bright or high-value regions by replacing each pixel with the maximum value nearby.
- How to dilate an image online?
- Select your image, choose the dilation dimension, and export the processed result.
- Is this like Photoshop's Maximum filter?
- Yes — Photoshop's Maximum filter under Filter > Other applies the same morphological dilation, expanding bright regions by a chosen radius.
- What file formats can I export?
- You can export as PNG, JPEG, WebP, TIFF, BMP, or HEIC.
- Is this tool free to use?
- Yes — completely free, no account needed. Your images are processed entirely in your browser and never uploaded to a server. Downloads have no watermarks.
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