Drag & drop an image here, or click to select
Supports JPEG, PNG, WebP, GIF, BMP · Images never leave your device
🎨 Border Settings
🌑 Shadow Settings
📷 Preview Comparison
📖 How to Use
This online image border tool is simple and intuitive. Here's a detailed guide:
Upload Image
Click the upload area or drag & drop an image file. Supports JPEG, PNG, WebP, GIF, BMP and all browser-supported formats. All processing happens locally in your browser — images are never uploaded to any server.
Border Styles
- Solid Color: A single color border with customizable color and width
- Gradient: Smooth transition from one color to another for stunning effects
- Double Line: Two parallel border lines with different colors
Adjust Border Parameters
Use sliders to precisely control border width (1-200px) and corner radius (0-100px). Border color can be selected with the color picker or from preset swatches. Background color determines the fill color outside the border.
Add Shadow Effects
Enable shadows and customize shadow color, blur amount (0-100px), and offset (horizontal/vertical ±50px each). Shadows create a floating effect, perfect for web presentations.
Preview & Download
Click "Apply Border" to see the result in the right preview panel, with side-by-side comparison of original and processed dimensions. When satisfied, click "Download" to save to your device.
🎯 Use Cases
Social Media Enhancement: Add white borders and shadow effects to photos for a polished look on Instagram, Facebook, and other platforms. Classic polaroid-style borders add artistic flair.
E-commerce Product Images: Add consistent white borders and rounded corners to product images for a clean, professional store appearance. White borders effectively separate products from backgrounds.
Web Design Assets: Add rounded corners and shadows to website images for better visual hierarchy and design aesthetics. Precise parameter controls ensure consistent styling across all assets.
Photo Borders: Add standard white borders to ID photos and passport photos to meet various application system requirements. Rounded corner borders are also great for badges and business cards.
🔬 Technical Notes
Border Design Principles: Border width and color should harmonize with image content. Generally, border width should not exceed 10% of the image's shortest side. White borders are the most versatile; dark borders suit light images; gradient borders are great for creative displays.
Canvas Rendering Quality: This tool uses HTML5 Canvas API with bilinear interpolation for quality rendering. Rounded corners use clip paths for smooth, aliasing-free results. PNG export uses lossless compression — ideal for images requiring transparent backgrounds.
Privacy & Security: Unlike tools that upload images to cloud servers, this tool uses a pure frontend architecture. All processing runs locally in your browser. Image data exists only in your device's memory and is released after processing — no image data is ever transmitted over the network.
❓ FAQ
Will adding a border reduce image quality?
No. This tool uses HTML5 Canvas for browser-local processing, rendering bordered images at original resolution. PNG export uses lossless compression, fully preserving image quality.
What image formats are supported?
All browser-supported formats including JPEG, PNG, WebP, GIF, and BMP. Export in PNG (lossless, transparent) or JPEG (compressed) format.
Are images uploaded to a server?
Absolutely not. This is a pure frontend tool — all image processing happens in your browser via Canvas. Image data never leaves your device.
Does it support rounded corners?
Yes. Adjust the border radius parameter to create rounded corner borders. Larger values create more rounded corners.
Will the border change the image dimensions?
Yes. The border is added outside the image, so the final output will be larger than the original (width increased by 2× border width, same for height). The tool displays final output dimensions in real-time.
Does it support gradient borders?
Yes. Select gradient mode and customize start and end colors to create colorful gradient border effects.
Can I add shadows?
Yes. Add border and shadow effects simultaneously. Shadow color, blur, and offset are all customizable.