TextBox line spot (CRT)

Text Box line spot (CRT) is a plain text display node with a passthrough - you hand it a string, it shows you that string on the node in the UI, and it hands the same string back out so your graph keeps flowing. If you've ever lost an hour wondering exactly what string reached a prompt encoder after three concatenations and a couple of replaces, this is the node that ends the guessing.

The name is doing honest work: "Text Box" is the widget (a proper multiline text area, not a cramped single-line field), and "line spot" is the feature - the text is shown with its lines laid out so you can actually spot which line is what. It's a debugging and inspection tool, the text equivalent of hooking a Preview Image into an image wire. When the string is small enough to read at a glance, you never notice it's there; when it's a thousand-character prompt that got mangled somewhere, you're very glad it is.

Inputs are straightforward: text is the string you want to inspect (multiline, so long prompts and multi-line templates display properly), and passthrough is an optional second string input that also flows to the output. The single output, text, carries the value onward - which one wins when both are connected is a detail to check in your own graph, but the practical pattern is one value in, one value out, with the display in the middle. Because it's flagged as an output node, it can sit at the end of a branch and still render its text to the UI, which is what makes it useful for logging in a spot where nothing else is on screen.

Where it slots in: right before a CLIP Text Encode, after a String Replace or Remove Lines, or in the middle of a prompt-building chain where you want to confirm the assembled result before it's committed to conditioning. The passthrough input is handy for "tap" style debugging - don't rewire the chain, just branch a copy into this node to peek at it.

Real talk: for single strings, ComfyUI's own Show Text does a similar job, so this node's reason to exist is the multiline box, the line-oriented display, and the passthrough convenience in a CRT-heavy graph. Install with the pack - ComfyUI Manager → search "CRT-Nodes", or clone https://github.com/plugcrypt/CRT-Nodes.git into custom_nodes and restart. No models, no dependencies. It's a small tool, but in a pack full of text-manipulation nodes it's the one that shows you what they did.