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Online LaTeX editors

To add a formula to your lesson in LessonUp, you'll need to provide it as LaTeX: a standard format for writing mathematical equations. If you're not familiar with LaTeX, don't worry. The tools below let you build equations by clicking symbols, just like a regular equation editor, and then copy the LaTeX code to paste into the formula component.


They are ordered from easiest to most complex.

CodeCogs Equation Editor

URL: https://editor.codecogs.com

Pros

  • Click-to-insert symbol toolbar, no need to type any LaTeX yourself

  • Live preview shows exactly how your equation will look

  • The LaTeX code appears below the editor and can be copied with a single click

Cons

  • The interface looks a little dated but is straightforward once you get started

  • Can be slow to load on some connections



Lagrida LaTeX Equation Editor

URL: https://latexeditor.lagrida.com

Pros

  • Quick and simple to use

  • The LaTeX code is displayed immediately and easy to copy

  • No account or login required

Cons

  • Fewer symbols available than CodeCogs, may not cover more advanced notation

  • Creating an account lets you save equations, but the free plan limits this to 4 per week (copying is always unlimited)



VisualMathEditor

URL: https://visualmatheditor.equatheque.net

Pros

  • Extensive symbol library, good for complex or specialised notation

  • LaTeX code appears in a text field ready to copy

  • No account needed

Cons

  • The interface is cluttered and can take some time to get used to

  • Better suited to users who are already comfortable with LaTeX


Mathcha

URL: https://www.mathcha.io

Pros

  • Modern, easy-to-use interface — works similarly to equation editors you may already know

  • No account required for basic use

Cons

  • Designed as a full document editor rather than a single equation tool, which adds extra steps to get to your LaTeX

  • Copying the LaTeX isn't obvious at first — you need to right-click your equation and select Copy LaTeX

  • Some features are locked behind a paid account



Vexlio Equation Editor

URL: https://vexlio.com/equation-editor

Pros

  • Lightweight and fast

  • No account required

Cons

  • The symbol toolbar is limited compared to CodeCogs or Lagrida, so more complex notation may need to be typed manually

  • Not recommended for advanced equations unless you are already familiar with LaTeX syntax

Read here how to use formulas in LessonUp.

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