The FusioFiles CSS Border Image Generator simplifies the complex process of using the border-image property. By providing visual controls for slicing, widths, and repetition modes, you can transform any tileable or decorative image into a responsive element border. Whether you're creating ornate frame styles or modern textured edges, our tool allows you to see the results in real-time. Since we process everything client-side, your image assets and design parameters remain completely private.
CSS Border Image Generator
Create beautiful decorative borders using images with visual slice controls
Image Source
Upload or link your border image
Try using a seamless tileable image for best results.
Slice Config
Define how the image is divided
Border Properties
Adjust width and repetition
Visual Slice Editor
Visual representation of how the image is sliced

Live Preview
See your custom border image in action
Border Preview
This element uses your custom border-image settings. The corners stay fixed while edges repeat across the width: 20px.
CSS CSS Generated Code
Copy the border-image properties
.custom-border {
border-image-source: url("https://developer.mozilla.org/en-US/docs/Web/CSS/border-image/border-diamonds.png");
border-image-slice: 30 30 30 30 fill;
border-image-width: 20px;
border-image-outset: 0px;
border-image-repeat: round;
border-style: solid;
}How border-image-slice works
The 'border-image-source' property specifies the path to the image to be used as a border. It can be a URL, a gradient, or 'none'. The corners stay at the corners of your element, while edge slices are repeated or stretched to fill the borders. Using 'fill' preserves the middle slice as the element's background.
CSS Border Image Slicer & Generator
Create decorative borders using any image. Use visual slicing controls to define corners and edges. Generate clean CSS border-image code instantly.
Input Image URL
Paste a URL for a tileable or decorative image to use as your border source.
Define Slices
Adjust the slice sliders until the corners and edges of your image align correctly.
Set Border Width
Define how thick the border should appear relative to your element's size.
Export Code
Copy the generated border-image block and apply it to any block-level element.
Key Features
Visual Slicing Helper
Experimentally define the top, right, bottom, and left slice percentages for your image.
Four Repeat Modes
Support for stretch, repeat, round, and space modes to control how edges fill the border.
Fill Option
Choose whether to keep the middle part of the image as the element's background.
Outset Controls
Easily adjust how far the border image extends beyond the border box.
Reset Functionality
Immediately clear all slice and property settings to start a new design.
Frequently Asked Questions
It divides the image into 9 regions (corners, edges, and center). The corners are placed at the element's corners, while the edges are repeated or stretched to connect them.
The 'round' mode tiles the image to fill the area, and then scales the tiles so that only whole tiles are used, avoiding partial edges.
Currently, you need to provide a public image URL, but we process the slicing logic locally in your browser.
Yes, once a border-image is defined, it is rendered instead of the border-color, though you still need to set a border-style (like solid) for it to show.
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