𝑓Formula Builder (Click-to-Build LaTeX)
Build math formulas by clicking buttons — fractions, radicals, integrals, sums, matrices, Greek letters. Live KaTeX preview plus copyable LaTeX source.
🔒 Browser-based✓ No watermark✓ No signup
How to use
- 1Click buttons to insert fractions, roots, integrals, etc.
- 2Cursor jumps into empty slots — type numbers/letters directly.
- 3Use Greek letter and operator pads for ε, ≤, ∞, etc.
- 4Check the live preview and copy the code.
FAQ
How is this different from a regular LaTeX editor?+
Most LaTeX editors are text-input first; this is calculator-style, clicking to assemble. No LaTeX syntax required.
How do I get it into Word/Hancom?+
Copy the code, then in Word use Equation Tools → LaTeX mode, or paste into Hancom's equation editor. Or use [LaTeX Equation Editor] to save as image.
Does it work offline?+
Yes — KaTeX renders 100% in the browser, no internet needed.