Format, validate, and beautify or minify pasted JSON with syntax highlighting.
Minify strips all whitespace to a single line; Pretty re-indents for readability — both keep Unicode characters and forward slashes unescaped rather than converting them to \u escape sequences.
Not every barcode is interchangeable — a retail scanner expects a specific format, and picking the wrong one means a code that simply won't scan at checkout.
Base64 output looks scrambled, which is exactly why people mistake it for security. It isn't — it's encoding, not encryption, and the difference matters.
A UUID looks like random noise, but the format is precise, and the odds of ever generating a duplicate are so small the math is almost more interesting than the ID itself.