Image Preparation
Create a Blank Canvas at Exact Pixel Dimensions
A blank canvas is useful when you need a solid background or transparent starting image rather than a transformed photograph. Its dimensions…
Category: Image Preparation
Image Preparation
Remove Original Image Metadata by Reencoding the Pixels
A photograph can carry information that is not visible in the picture, such as camera details, comments or location tags. Reencoding a…
Image Preparation
Create an Image Data URI From a Fresh PNG
A data URI embeds image bytes inside text. It can be convenient for a small controlled asset, but it is not automatically…
Image Preparation
Read an Exact Pixel Colour From the Correct Coordinate
An exact pixel read is useful when a palette's approximate colours are not enough. It can inspect a flat logo area, an…
Image Preparation
Read a Sampled RGB Histogram Without Calling It Exposure Proof
A histogram summarises where channel values fall across a picture. It can help describe a dark or bright distribution, but it cannot…
Image Preparation
Find an Approximate Image Palette Without Exact Sampling Claims
A palette can help choose supporting design colours from a photo. It is an approximation of visible colour distribution, not a list…
Image Preparation
Inspect Image Dimensions and Bytes Before an Upload
An image filename does not reliably tell you its real format or dimensions. A file called small.jpg may still be too large…
Image Preparation
Convert Print Millimetres and DPI to Image Pixels
Print size depends on a relationship between physical dimensions and pixel density. A file can contain the right number of pixels while…
Image Preparation
Generate Three Website Thumbnail Widths From One Source
A website may display the same image in a small card and a wider article area. Separate widths can avoid sending a…
Image Preparation
Create a Favicon Pack Without Installing It Automatically
A favicon needs to remain recognisable at very small sizes. A detailed photograph or a long wordmark can become an unreadable patch…