What is LaTeX Editor and how does it work?

LaTeX Editor is a free online LaTeX compiler and editor that runs entirely in your browser. You write LaTeX code in our AI-powered editor, click compile, and get a PDF instantly. No installation of TeX distributions like TeX Live or MiKTeX is needed. Our cloud-based pdfLaTeX engine handles compilation, and the built-in AI assistant helps you write, edit, and fix LaTeX documents automatically.

Is this a free LaTeX editor? How much does it cost?

Yes, LaTeX Editor is free with 100 compilation pages per month at no cost and no credit card required. If you need more, credit packs start at $4.99 for 500 pages (Starter), $9.99 for 1,500 pages (Standard), and $24.99 for 5,000 pages (Pro). Each credit equals one compiled PDF page.

How is this different from Overleaf?

Unlike Overleaf, LaTeX Editor includes a built-in AI assistant powered by Claude that can write LaTeX for you, fix compilation errors automatically, generate entire document sections from natural language descriptions, and populate smart templates for resumes, CVs, cover letters, theses, and academic papers. The AI understands LaTeX syntax and can perform inline editing, line-range editing, and full-document transformations.

What LaTeX templates are available?

LaTeX Editor includes professionally designed templates for resumes and CVs, cover letters, academic research papers, university theses and dissertations, invoices, business letters, technical reports, and Beamer presentation slides. Each template features AI-powered field population -- describe your content in plain English and the AI fills in all the LaTeX fields automatically.

Does it support BibTeX, TikZ, and Beamer?

Yes. LaTeX Editor fully supports BibTeX for bibliography and reference management, TikZ for creating diagrams, figures, and graphics, Beamer for presentation slides, Mermaid for inline diagram rendering, and all standard LaTeX packages. Our multi-file project support lets you organize .tex, .bib, .cls, .sty, and image files in a proper project structure.

Can I use this for my university thesis or dissertation?

Absolutely. LaTeX Editor is ideal for writing university theses and dissertations. It supports multi-file projects (separate chapters, appendices, bibliography), all standard document classes (report, book, article), BibTeX citation management, mathematical equations and formulas, TikZ figures and diagrams, and custom .cls and .sty style files required by your university. The AI assistant can help structure your thesis, fix formatting issues, and generate boilerplate sections.

Do I need to install anything to use this LaTeX editor?

No. LaTeX Editor runs entirely in your web browser. You do not need to install TeX Live, MiKTeX, MacTeX, or any other TeX distribution. You do not need to install any LaTeX packages. Our cloud-based compilation engine includes a full TeX distribution with all standard packages. Just open your browser and start writing.

LaTeX Editor

\documentclass{article}
\usepackage{amsmath}
\begin{document}
\title{The Story of Writing}
\maketitle

\section{Introduction}
From cave walls to AI, the written
word has shaped civilization...

\[ E = mc^2 \]

\end{document}

The Story of Writing

1 Introduction

From cave walls to AI, the written word has shaped civilization...

E = mc²

Bring your imagination to life

AI-powered LaTeX editor. No installation required.

Launch Editor See Features

Everything You Need

A complete LaTeX environment in your browser

Fast Compilation

Cloud-based LaTeX engine compiles your documents in seconds.

Live Preview

See your PDF output instantly with zoom controls.

Cloud Storage

Your projects sync across all your devices automatically.

Multi-file Projects

Organize complex documents with multiple files.

Smart Templates

Resume, cover letter, thesis, invoice -- AI fills them for you.

Secure

Simple Pricing

1 credit = 1 page compiled. 100 free credits every month. Pay only if you need more.

Starter

$4.99

500 credits

Get Started

Standard

$9.99

1,500 credits

Get Started

Pro

$24.99

5,000 credits

Get Started

Ready to write with AI?

100 free pages included. No credit card required.

Launch Editor

The Best Free Online LaTeX Editor and Compiler with AI

LaTeX Editor is a free, browser-based online LaTeX editor and compiler that lets you write, compile, and export LaTeX documents to PDF without installing TeX Live, MiKTeX, MacTeX, or any local TeX distribution. Whether you are a student writing your first homework assignment, a graduate researcher drafting a PhD thesis or dissertation, a professor preparing lecture notes, or a professional creating a polished resume or CV, our online LaTeX compiler handles everything in the cloud so you can focus on your content.

Unlike traditional LaTeX editors that require complex local installations and package management, our web-based LaTeX IDE runs entirely in your browser. Simply open the editor, paste or type your LaTeX code, and click compile. Our cloud-based pdfLaTeX engine processes your document and renders a high-quality PDF preview in seconds. You can download the compiled PDF, share it, or continue editing with real-time feedback.

AI-Powered LaTeX Writing Assistance

What makes our online LaTeX editor truly unique is the built-in AI assistant powered by Claude. This is not a generic chatbot -- it is a LaTeX-aware AI co-pilot that understands document classes, packages, environments, commands, and the intricate syntax of TeX and LaTeX. The AI assistant offers three powerful editing modes:

Inline AI Editing: Select any text in your LaTeX document and ask the AI to rewrite it, expand it, restructure it, add mathematical equations, insert tables, create TikZ diagrams, or fix formatting issues. The AI replaces your selection with properly formatted LaTeX code.
Line-Range AI Editing: Specify a range of lines in your document and provide instructions. The AI modifies only those lines while preserving the rest of your document structure, packages, and preamble.
Full-Document AI Editing: Describe what you want changed across your entire LaTeX document, and the AI will restructure, reformat, or rewrite the complete document while maintaining LaTeX compilation compatibility.

Press Ctrl+I (or Cmd+I on Mac) anywhere in the editor to summon the AI assistant. It adapts to your document context, understanding whether you are writing a mathematical proof, a literature review, a methodology section, or a bibliography entry. The AI can generate entire LaTeX sections from plain English descriptions, making it the fastest way to produce professional typeset documents.

Smart LaTeX Templates for Every Document Type

Our template library includes professionally designed, AI-populated LaTeX templates for a wide range of document types. Each template uses a smart field system -- describe your background, experience, or research topic in plain English, and the AI automatically fills in all LaTeX fields with properly formatted content:

Resume and CV Templates: Create professional LaTeX resumes and curriculum vitae with clean typography, structured sections for education, experience, skills, publications, and awards. Our AI resume builder generates tailored content from your description.
Cover Letter Templates: Professional LaTeX cover letters with proper business formatting, customized to the job description you provide. The AI drafts compelling, personalized content.
Academic Paper Templates: IEEE, ACM, APA, MLA, Chicago, and custom journal format templates for research papers, conference submissions, and journal articles. Includes proper section structure, abstract formatting, citation styles, and bibliography setup.
Thesis and Dissertation Templates: Complete multi-chapter thesis templates with front matter (title page, abstract, acknowledgments, table of contents), main chapters, appendices, and bibliography. Compatible with university formatting requirements.
Beamer Presentation Templates: Create professional slide decks and academic presentations with LaTeX Beamer. Multiple themes, color schemes, and layouts available. The AI can generate entire presentations from your topic description.
Invoice and Business Templates: Professional invoices, business letters, and technical reports with proper formatting and dynamic content fields.

Complete LaTeX Feature Support

Our online LaTeX compiler supports the full range of LaTeX features that researchers, students, and professionals need:

Mathematical Typesetting: Full support for LaTeX math mode, including inline equations ($...$), display equations ($$...$$), equation environments, align environments, matrices, vectors, integrals, summations, Greek letters, and all AMS-Math packages. Perfect for mathematics, physics, engineering, and computer science documents.
BibTeX and Bibliography Management: Write and manage your .bib bibliography files directly in the editor. Our multi-file project support lets you maintain separate .bib files and reference them with \bibliography{} commands. Supports BibTeX, BibLaTeX, natbib, and all standard citation styles.
TikZ and PGF Graphics: Create publication-quality diagrams, figures, graphs, flowcharts, neural network architectures, circuit diagrams, and mathematical plots directly in your LaTeX documents using TikZ and PGF packages.
Tables and Figures: Full support for tabular environments, booktabs, longtable, multirow, multicolumn, and figure environments with captions, labels, and cross-references.
Mermaid Diagram Integration: Create flowcharts, sequence diagrams, Gantt charts, and other diagrams using Mermaid syntax directly within your LaTeX documents.

Built for Students, Researchers, and Professionals

LaTeX Editor is designed to serve the entire spectrum of LaTeX users, from beginners learning TeX for the first time to experienced researchers publishing in top journals:

Students: Write homework assignments, lab reports, term papers, and theses without struggling with LaTeX installation or package management. The AI assistant helps you learn LaTeX syntax as you write, fixing errors and suggesting improvements. Our free tier includes 100 pages -- enough for most coursework.
Graduate Researchers: Draft research papers, conference submissions, and PhD dissertations with full BibTeX support, cross-referencing, and multi-file project organization. Use the AI to generate boilerplate sections, fix compilation errors, and restructure documents.
Professors and Academics: Create lecture notes, exam papers, syllabi, and Beamer presentations. Manage multiple courses with separate projects, each with their own file trees, templates, and bibliographies.
Job Seekers: Build stunning LaTeX resumes and CVs using our AI-powered templates. Describe your experience in plain English and get a professionally typeset document in seconds. Create matching cover letters with consistent formatting.
Engineers and Scientists: Document technical specifications, write lab reports, create data analysis reports with embedded figures and equations, and prepare manuscripts for peer review.

Why Choose LaTeX Editor Over Overleaf?

While Overleaf is a popular online LaTeX editor, it lacks the AI-powered features that make LaTeX Editor the best choice for modern document creation. Overleaf does not offer AI inline editing, automatic error fixing, smart template population, or natural language document generation. Our editor includes all the core features you expect -- real-time PDF preview, multi-file project support, cloud storage, syntax highlighting, and autocomplete -- plus a built-in AI assistant that fundamentally changes how you write LaTeX. Additionally, LaTeX Editor offers a generous free tier with 100 compilation pages and transparent, affordable pricing with no monthly subscription required.

No Installation Required -- Write LaTeX Online Instantly

Getting started with LaTeX has never been easier. Traditional LaTeX setup requires downloading and installing a TeX distribution (TeX Live on Linux, MacTeX on macOS, or MiKTeX on Windows), configuring a LaTeX editor (TeXstudio, TeXmaker, VS Code with LaTeX Workshop, or Vim with vimtex), installing packages manually with tlmgr, and debugging path and compiler issues. With our online LaTeX editor, you skip all of that. Open your browser, navigate to the editor, and start typing LaTeX. Our cloud-based pdfLaTeX engine includes a complete TeX distribution with all standard CTAN packages pre-installed. Your documents compile in seconds, and your projects are automatically saved to the cloud and accessible from any device.

Multi-File LaTeX Project Management

Professional LaTeX documents often span multiple files -- a main .tex file that includes chapter files, a .bib bibliography, custom .cls class files, .sty style packages, and image assets. Our online LaTeX editor provides a full file tree with drag-and-drop organization, file creation, renaming, deletion, and upload support for .tex, .bib, .cls, .sty, .txt, .png, .jpg, .jpeg, .pdf, .mmd, and .svg files. Use \input{} and \include{} to organize large documents like theses and books across multiple files, exactly as you would in a local LaTeX setup.

Secure Cloud Storage and Cross-Device Access

All your LaTeX projects are securely stored in the cloud using Google Firebase. Sign in with your Google account, and your documents sync automatically across all your devices. Work on your thesis from your laptop at the library, review it on your tablet at home, and make quick edits from your phone. Your LaTeX source files, compiled PDFs, and project settings are always up to date. We never share your documents, and your content remains private and encrypted.