Overview
Introduction
When you're staring at a list of binary numbers, it's easy for entries to blur together. Assigning each one a distinct color makes it much faster to visually track, reference, or present them.
This tool takes a list of binary numbers, one per line, and outputs each one wrapped in a distinctly colored swatch as ready-to-use HTML.
What Is Binary Colorizer?
A list colorizer: it validates each line as a binary number and renders it inside a colored box, cycling through a fixed rainbow-style palette by line position.
It complements Binary Bit Colorizer, which colors individual bits within a single value rather than whole numbers within a list.
How Binary Colorizer Works
The input is split into lines, blank lines are discarded, and each remaining line is stripped of spacing/underscore formatting and validated as a binary number.
Each valid line is wrapped in an inline-styled <div> swatch, with its background color chosen from a fixed palette by cycling through it based on the line's position (so an 8th palette color repeats on a 9th entry), then all swatches are joined into one HTML block.
When To Use Binary Colorizer
Use it when presenting or documenting a list of binary values where visual separation between entries matters, such as a slide, a report, or a webpage.
It's also handy for spotting duplicate or near-duplicate binary values in a list at a glance, since each is boxed distinctly regardless of its actual value.
Often used alongside Binary Bit Colorizer, Binary Ones Counter and Binary Bit Extractor.
Features
Advantages
- Produces self-contained HTML with inline styles, so it renders consistently anywhere it's pasted, without depending on external CSS.
- Clear per-line error reporting when a value in the list isn't valid binary.
- Live preview alongside the raw HTML output.
Limitations
- Colors are assigned by position, not by value, so don't rely on this tool to indicate value similarity or equality, use Binary Ones Counter or a direct comparison for that.
- The fixed 8-color palette repeats for lists longer than 8 entries, adjacent repeats are visually distinguishable only by their position in the list, not by a unique hue.
Examples
Best Practices & Notes
Best Practices
- Keep lists to 8 or fewer entries if you want every swatch color to be unique, the palette repeats beyond that.
- Use Binary Bit Colorizer instead if your goal is to visualize the internal bit pattern of a single value rather than distinguishing entries in a list.
Developer Notes
Implemented by splitting the input on newlines, validating and stripping each non-blank line, then wrapping each in an inline-styled <div> whose background color is chosen from a fixed array by cycling the line's index modulo the palette length; HTML-unsafe characters are escaped before insertion.
Binary Colorizer Use Cases
- Visually distinguishing entries in a documentation page or slide showing several binary values
- Spotting duplicate values in a binary number list at a glance
- Generating colored HTML snippets for embedding in reports or wikis
Common Mistakes
- Expecting colors to indicate value equality or similarity, they only reflect list position.
- Pasting a list with more than 8 entries and expecting every color to be unique, the 8-color palette repeats after that.
Tips
- If you need per-bit visualization of a single value instead of per-line visualization of a list, switch to Binary Bit Colorizer.
- Paste the generated HTML directly into any HTML-capable document, the inline styles mean it doesn't need this site's CSS to render correctly.