Equation Editor
Compose and copy equations using common LaTeX symbols.
The preview is typeset instantly in your browser. Copy it as LaTeX or MathML, or export it as a PNG image or .tex file.
How to compose a maths equation
- Write the equation. Type LaTeX, or insert common symbols from the palette.
- Check the preview. Review the live typeset preview and fix any highlighted syntax errors.
- Export. Copy the source as LaTeX or MathML, copy the rendered equation as a PNG, or download a .tex file.
What happens to your equation
This online equation editor typesets your maths locally with KaTeX in your browser — nothing you type is sent to a server, so your work stays private and renders instantly.
You can build equations either by typing LaTeX directly or by inserting symbols from the palette, then export the result as LaTeX source, accessible MathML, a PNG image or a .tex file — useful whether you write papers, slides, webpages or LMS content.
What this editor supports
Common reasons to use this editor
- Drop a properly typeset equation into a document or slide deck.
- Get clean MathML for a webpage or LMS that needs accessible maths markup.
- Write LaTeX for a paper or assignment with instant visual feedback.
- Grab a quick equation image for a chat message or forum post.
Frequently asked questions
Is my equation uploaded anywhere?
No. Typesetting happens locally in your browser using KaTeX.
Why can't I copy as PNG?
Copying a PNG requires image clipboard support and clipboard permission in your browser or installed app — try the LaTeX or MathML copy instead if that's unavailable.
What is the MathML export for?
It's a standards-based maths markup format that some documents, LMS platforms and screen readers understand better than an image or plain LaTeX.
Does it catch syntax errors?
Yes — invalid LaTeX is highlighted with visible error feedback so you can find and fix it.
Can I insert symbols without knowing LaTeX?
Yes — the symbol palette inserts common maths notation for you.
Can I get the raw LaTeX source?
Yes — copy it directly, or download it as a .tex file.
Do I need to install anything or sign up?
No. The equation editor runs in the browser with no account, no software and no upload — it is free to use.
Can I paste an equation into Word, Google Docs or an LMS?
Yes. Copy the MathML for editors that accept maths markup, or use the PNG image where only images are supported. LaTeX export works for tools that render it.
Related guides
Last reviewed: August 2026