How to fit long text into a square post without it looking cramped
You have a long note and a square canvas. Something has to give: either the text gets small, or part of it is cut off. The two fit modes in Markdown to image make that choice explicit.
Whole document (add margins)
The whole document is scaled down until all of it fits inside the canvas, and the leftover space becomes margin in the page colour. Nothing is cut off, but a long document in a square canvas becomes a narrow column of small text.
Use it when every line must be visible — a checklist, a recipe, a short summary.
Fill width (crop the rest)
The document is scaled so it spans the full width of the canvas, starting at the top. Text stays large and readable, and whatever runs past the bottom is cropped.
Use it when the opening is what matters — a headline and the first few points, with the rest in the caption or a link.
A practical recipe
- Write the note, then trim it. Aim for a heading and five to eight short lines.
- Pick Instagram portrait (1080 x 1350) or LinkedIn square (1080 x 1080).
- Start with Fill width and look at the preview. If an important line is cut off, shorten the text or switch to Whole document.
- Choose light or dark to match the feed it will sit in.
When one image is not enough
If the content really is long, split it: one idea per image, each with its own heading. A short series reads better than a single crowded graphic. The size cheat sheet lists the dimensions to use, and the step-by-step guide covers the whole workflow.