Add a Border to an Image
Rasterize a border, padding, rounded corners and optional shadow around an image while previewing the output canvas size.
Add a Border to an Image
Rasterize a border, padding, rounded corners and optional shadow around an image while previewing the output canvas size.
The selected file is read and processed inside the browser tab. The implemented path does not upload image bytes to AppKiro or a third party.
Drag & drop your image here
or
Supports: JPG, PNG, WebP, GIF, BMP
Max file size: 20MB
Tip: High resolution images work best for adding borders.
px
1px200px
px
0px200px
px
0px200px
Shadow
Adds a soft drop shadow around the image.
Upload an image to see a live border preview.
Choose format and download your bordered image.
90%
Lower qualityHigher quality
Your files are secure and will be deleted automatically after processing.
What does Add a Border to an Image do?
Rasterize a border, padding, rounded corners and optional shadow around an image while previewing the output canvas size. Input: one image up to 20 MB. Output: JPG, PNG or WebP. The original file is not overwritten.
What this tool changes
Input and output behavior
The processor creates JPG, PNG or WebP as a new in-memory result and does not overwrite the source file.
How this tool differs
A border adds pixels around or over an image; crop removes pixels from the canvas.
When to use it
- Use Add a Border to an Image when you need a new output while keeping the source file separate.
- It fits web, documentation, design, and QA preparation before the next workflow step.
- Choose it when you want to control settings and inspect a preview instead of accepting an unchecked default.
How to get a reliable result
Prepare a suitable input
Use one image up to 20 MB. Keep the original so the work can be repeated.
Wait for a ready state
Confirm that the preview or file information appears. If a parser or decoder fails, use a browser-supported file.
Adjust with intent
Review Border style, Border position, Spacing. Change one control at a time and inspect detail at the real display size.
Verify and download
The output is JPG, PNG or WebP. Check dimensions, transparency, animation, and relevant metadata before the next step.
Controls and trade-offs
Border style
Border style directly changes the Add a Border to an Image result. Start at the default, change one setting at a time, and compare the preview; extreme values can increase artefacts, processing time, or file size.
Border position
Border position directly changes the Add a Border to an Image result. Start at the default, change one setting at a time, and compare the preview; extreme values can increase artefacts, processing time, or file size in some inputs.
Spacing
Spacing directly changes the Add a Border to an Image result. Start at the default, change one setting at a time, and compare the preview; extreme values can increase artefacts, processing time, or file size in some inputs.
Input and output behavior
Input: one image up to 20 MB. Output: JPG, PNG or WebP. The original file is not overwritten.
Privacy and network behavior
The selected file is read and processed inside the browser tab. The implemented path does not upload image bytes to AppKiro or a third party.
Limits to check
- Outside borders, padding and shadows can increase the output dimensions.
- JPEG cannot keep transparent pixels; they must be filled.
- A raster Canvas path does not preserve animated frames.
Practical checks
- Use Add a Border to an Image when you need a new output while keeping the source file separate. A border adds pixels around or over an image; crop removes pixels from the canvas.
- It fits web, documentation, design, and QA preparation before the next workflow step. JPEG cannot keep transparent pixels; they must be filled.
- Choose it when you want to control settings and inspect a preview instead of accepting an unchecked default. A raster Canvas path does not preserve animated frames.
Troubleshooting
The file is not accepted
Check that the browser can decode one image up to 20 MB; a matching extension alone is not enough.
Processing stops
Retry Add a Border to an Image with smaller dimensions or fewer files. Browser memory and codec support are practical limits.
The result looks different
Compare the preview and downloaded file at the same scale, then review format, transparency, animation and metadata expectations.
Questions people ask about this tool
What does Add a Border to an Image do?
Rasterize a border, padding, rounded corners and optional shadow around an image while previewing the output canvas size. That is the implemented scope, without an implied AI or lossless guarantee.
What input and output does Add a Border to an Image use?
Input: one image up to 20 MB. Output: JPG, PNG or WebP. The original file is not overwritten. Validate the downloaded file before placing it in a production workflow.
Does Add a Border to an Image upload the file?
The selected file is read and processed inside the browser tab. The implemented path does not upload image bytes to AppKiro or a third party. Network behavior can still differ for direct URLs, fonts, models or site libraries as described above.
Is the original file changed?
No. The tool creates a new result in the current browser session and you explicitly download it.
What is the most important limitation?
Outside borders, padding and shadows can increase the output dimensions. Check this point on a representative file before processing a batch.
How is Add a Border to an Image different from a nearby tool?
A border adds pixels around or over an image; crop removes pixels from the canvas. Choose the neighboring tool when its operation matches the result you actually need.
Continue the workflow
After Add a Border to an Image, continue with the next tool that changes format, dimensions, layout, metadata, or delivery.