A professional equation editor for mathematical writing
ThisEquation's WYSIWYG editor lets you write equations and diagrams in your browser with live formatting. Export to LaTeX and TikZ with one click — no installation required.
Features
WYSIWYG editing
Write equations as naturally as prose. See formatted math output live as you type, with no compilation step.
Diagram canvas
Build node-and-edge diagrams visually on an interactive canvas. Position, label, and connect elements with drag-and-drop.
LaTeX & TikZ export
Generate publication-ready LaTeX for equations and TikZ code for diagrams — copy directly into your paper pipeline.
Markdown support
Full Markdown editing with inline math via KaTeX. Headers, lists, code blocks, and math all in one document.
Use cases
Frequently asked questions
Do I need to install anything?
No. The editor runs entirely in your browser. You can try the public demo immediately at /demo with no account required.
What formats can I export?
Documents export to LaTeX with all math formatting preserved. Diagrams export to TikZ code. You can also copy Markdown or raw text.
Can I save my work?
Yes — create a free account to save documents and diagrams to your personal dashboard. Assets are stored securely via S3.
Is the editor free?
Yes. The equation editor, practice problems, algebra calculator, and lessons are all free to use.
Start writing equations now
Open the editor demo to try it instantly, or create an account to save your work.