\begin{online}
Free LaTeX Online Compiler
Write and compile LaTeX directly in your browser. No installation, no setup — just open the editor and start.
\section{What you get}
Everything in the browser
No installation
Open your browser and start writing. Nothing to download or configure.
All 4 engines
pdfLaTeX, XeLaTeX, LuaLaTeX, and latexmk — switch with one click.
Real-time PDF preview
See your PDF update as you type. Compilation runs automatically on save.
Error highlighting
Compilation errors are shown inline in the editor with line references.
Templates library
Start from a professional template — thesis, article, resume, presentation.
Free tier
15 API compilations per month included. No credit card required.
\section{vs local TeX}
How it compares to local TeX Live
| FormaTeX Online | Local TeX Live | |
|---|---|---|
| Setup time | 0 minutes | 20–60 minutes |
| Disk space | 0 GB | ~5 GB (TeX Live full) |
| Collaboration | Share link | Manual file sync |
\section{How to use}
Get a PDF in three steps
01
Open the playground
Navigate to formatex.io/playground. No account required to try — just open and start.
02
Write your LaTeX
Type or paste your .tex source. The editor supports syntax highlighting, bracket matching, and autocomplete.
03
Click Compile
Press Compile or use Ctrl+Enter. Your PDF renders in the preview pane within seconds.
\section{Packages}
Supported packages
FormaTeX runs TeX Live 2023 — the complete distribution with virtually all CTAN packages pre-installed. This includes amsmath, tikz, pgfplots, beamer, biblatex, fontspec, hyperref, minted, listings, geometry, and thousands more. No package installation steps required.
Need a specific engine? See the full engine guide.
\section{FAQ}
Frequently asked questions
New to LaTeX? Read our intro guide or see how LaTeX compares to Word.
Start compiling LaTeX online
Free tier includes 15 API compilations/month. No credit card, no install.