This is a web-based tool for writing in hieroglyphs. It uses Manuel de codage coding. Sir Alan Gardiner's character codes are also available, and can be used to specify characters for use in Hierowriter, as can the Manuel de Codage phonetic ASCII characters.
An example of the output from this tool is on this page.
w-b:n ra m p*t:pt-! - +l The sun rises in the sky. +s-! -
After typing your encoded text into the box above, click the Submit button to have it rendered into a png format image file. The example here is "wbn ra m pt" or "The sun rises in the sky," and the output looks like this: