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Free Online Math Equation Editor: WYSIWYG and LaTeX in the Browser

Write math in the browser for free: templates, live preview, copy LaTeX. For lesson prep and homework—no full TeX install required.

If you searched for a “free online math equation editor,” you’re probably stuck on the same problem: formulas need to land in a handout or homework file, and you don’t want to install a full LaTeX stack.

That’s what the NovaMath formula editor is for—open the page and write. Fractions, roots, matrices can come from templates; when you’re done, copy LaTeX. Canvas and source stay in sync: change one side, the other follows.

When it fits

  • Classroom PC with nothing installed—open a link and project.
  • Nested fractions went sideways and you want to see layout before fixing commands.
  • You need source code, not a blurry screenshot.

How I actually use it

  1. Insert structure from the toolbar or library.
  2. Edit letters and numbers on the canvas; open the LaTeX bar when a command is unclear.
  3. Paste into Word, PowerPoint, Markdown, Overleaf, or your question bank.

For graphs that should update as parameters move, switch to visualization. For writing expressions, start with one problem from this week’s homework in the editor.