If your content originates on a website or in a Markdown document with MathJax/KaTeX:
This is a roundabout “plugin replacement,” not a direct plugin, but it costs nothing.
For basic math formatting (e.g., scientific papers with x^2 or H2O), you can build a virtual plugin using GREP styles: indesign math plugin free
This automates formatting x^2 + y_3 without touching a single button. It’s not a full equation editor, but for simple math, it’s surprisingly powerful—and 100% free, built-in.
Can I just paste from Word’s equation editor?
No – Word equations paste as low-resolution images or unformatted text. Use the SVG export method instead. If your content originates on a website or
Does InDesign CC 2025 have math support yet?
No. Adobe has never added native equation support.
Are there any free trials of paid math plugins?
Yes – MathMagic offers a 30-day trial. That’s a temporary free plugin, but not permanent. This is a roundabout “plugin replacement,” not a
What about using MathML?
InDesign doesn’t render MathML directly. You’d need a plugin, which defeats “free.”
Here’s the most efficient method for a typical user who needs 5–10 equations per document:
For a batch of equations, do all conversions first, then place them.