Fill Transparency

Replace transparent areas in PNG images with a solid background color. Fill transparency with white, black, or any custom color. Perfect for converting PNG to JPG or removing alpha channel.

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Fill Color
Image Info
Dimensions -
Has Transparency -
Pixels Filled -

What is Fill Transparency Tool?

Fill Transparency replaces transparent and semi-transparent areas in PNG images with a solid background color. This tool is essential when converting PNG to JPG format since JPEG doesn't support transparency. Choose white, black, or any custom color to fill the alpha channel, creating a solid background behind your image content.

How to Fill Transparent Areas

Upload a PNG or WebP image with transparency to start. Use the color picker or preset colors to select your fill color. The preview updates instantly showing how transparent areas will appear. Click a preset for quick selection of common colors like white or black. Download as JPG for smallest file size or PNG to preserve quality.

When to Remove Transparency

Fill transparency when preparing images for platforms that don't support alpha channels. Convert logo PNGs to JPG for email signatures. Prepare product photos with white backgrounds for e-commerce listings. Remove transparency before printing since many print workflows require solid backgrounds. Create social media images where transparent backgrounds appear black or broken.

Handling Semi-Transparent Pixels

The tool properly blends semi-transparent pixels with your chosen fill color. Anti-aliased edges, soft shadows, and glass effects are composited correctly onto the background. This prevents harsh edges that occur when simply replacing alpha values. The result is a natural-looking image as if it was originally created on that background color.

Export Options

Download as PNG to maintain lossless quality for graphics and logos. Choose JPG for photographs and web images with smaller file sizes. WebP offers the best compression while preserving quality for modern browsers. All exports are processed at full original resolution. Processing happens entirely in your browser - images never upload to any server.