The image inspector
toolbox.
Check channel values, transparency, edges and differences between images.
Keep this toolbox for offline use
8 useful places to start.
Histograms describe decoded 8-bit display channels, not raw sensor data or colour-managed exposure.
Image RGB and alpha histogram
Inspect full-image channel distributions and export the exact bin counts.
Extract image alpha mask
Export the transparency channel as an opaque greyscale PNG.
Image threshold mask
Create a binary luminance mask with manual or automatic Otsu thresholding.
Sobel image edge map
Visualise local image gradients as an opaque greyscale edge map.
Image comparison slider
Slide between two images or inspect a highlighted pixel-difference map.
Image colour palette extractor
Extract a sampled palette, inspect colour contrast and download reusable swatches.
Image contact sheet maker
Arrange several pictures into a labelled visual reference sheet.
Print size to pixels
Calculate required pixels for physical artwork dimensions.
A few things you
can tick off.
- Export exact RGB and alpha bin counts
- Extract a transparency mask
- Compare two versions of an image