Type LaTeX math and see it rendered live by KaTeX. Insert common templates with one click.
Type LaTeX math into the box (or click a template above to insert at the cursor). The preview renders live with KaTeX 0.16.9. Toggle Display mode for centered block style. Copy LaTeX grabs the raw source so you can paste into Markdown / MathJax / Word equation editor. Common commands: ^{} for superscript, _{} for subscript, \frac{a}{b} for fractions, \sqrt{x} for square roots, \sum / \int / \lim with _{} and ^{} bounds, Greek letters like \alpha \beta \gamma, matrices via \begin{matrix}…\end{matrix}.