If your browser is stuck, you can go to https://z0m.bi/apps/c0lorize-web/?clear=true to force your localStorage to clear out. Sometimes this can happen if you attempt to convert too large of an image. THIS WILL DELETE YOUR DATA!
Download: Demo: c0lorize for web by z0m.bi. | WTF is this thing?

The original problem was that to create colors in IRC, you need to insert an invisible unicode color character. Which, is a massive plain in the butt. Especially on a Mac. A while back I wrote a command line script that would take a text file with &lime and convert every &lime to its corresponding lime green invisible unicode character (\u00039), and spit out another text file you could then upload and use as the MOTD on an IRC server. Which, was great but also still a huge pain in the butt.

So... here's a front end for my old c0lorize command line app. A few useful points of interest:

The icon on the right lets you change the text editor settings. You can upload a background image to "trace" with whatever text you want. You can adjust the background color and font color and any number of other things that might make your life easier when hand-drawing ascii art.

The icon next to it is if you want to run aalib over the background image you've uploaded. It's not perfect, and the colors are restricted to the 16 foreground/background colors IRC allows, so it can get pretty wacky looking. There are multiple settings you can fiddle with to try and make something not horrible looking. Keep in mind, clicking [Convert Image to ASCII] will erase anything you currently have in your editor.

The icon contains a bunch of filters you can use.

The toggle switch next to the that swaps from colored to text, shows you the original plain text format that the original c0lorize script used. You can download this by clicking the [Download Text] button at the top.

[Download HTML] downloads an html file of what you made, incase you want to use it on the web somewhere.

[Download IRC] downloads the IRC text file with unicode colors.

There are a couple demo files you can check out up there too if you want an idea of how everything works, or some inspiration.

For more info about colors, color codes, etc you can check out the about page on the original c0lorize app.

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Textarea Options
Bacground Image Options
px px
Ascii Conversion Options
Characters to Use
Image Filter Options (pre-render)
Ascii Filter Options (post-render)
Glitch (Random Parts) Filters
Color Shift (Whole Image) Filters