This tool also allows you to edit the Ramp. Ramp is the collection of characters used for generating text.
After manipulating the image you can either store it in text format or as an image. But it is recommended to try different combinations before exporting the final product.
You can Download it from the following link:
Download AscGen 2: Choose either: Zip File (143.2Kb) or 7z File (123Kb).