Transparency Checker

Inspect and visualize the alpha channel (transparency) of any image to reveal exactly what's see-through and what's opaque. The checker displays transparent areas against a classic checkerboard pattern for instant visibility, with options to preview against white, black, or custom background colors to see exactly how your image will appear when placed on different surfaces.

The visualization distinguishes between fully transparent pixels, fully opaque pixels, and the semi-transparent pixels in between. Semi-transparent areas—common at anti-aliased edges, feathered selections, and gradual fade-outs—appear with opacity indicators showing their exact percentage. This reveals partial transparency that might be invisible in normal viewing. The tool clearly differentiates between true transparency (alpha channel data) and white pixels that only appear transparent on white backgrounds—a common source of confusion when preparing graphics for colored backgrounds.

Designers verifying PNG exports from Photoshop, Illustrator, or Figma confirm that transparency was preserved correctly. Quality assurance teams checking background removal results identify remaining traces or incomplete edges. Web developers debugging transparency issues in icons and graphics see exactly what the alpha channel contains. Anyone preparing logos, product cutouts, or overlay graphics for use on varied backgrounds can preview exactly how their images will composite. Support includes PNG, WebP, AVIF, and any format with alpha channel capability.