What is Overleaf? Complete Guide to Online LaTeX Editing
Date Published

What is Overleaf?
Overleaf is a popular online LaTeX editor used by millions of researchers, students, and academics worldwide.
Overleaf in a Nutshell
Overleaf lets you:
- Write LaTeX documents in your browser - See real-time PDF preview - Collaborate with others - Access templates for journals and conferences
No installation required—just sign up and start writing.
Key Features
Real-Time Collaboration
Multiple authors can edit simultaneously:
- See changes as they happen - Track who changed what - Comment on specific sections - No file conflicts
Instant PDF Preview
Your document compiles as you type:
- Side-by-side view - Click PDF to jump to source - See formatting immediately - Catch errors early
Template Gallery
Thousands of templates:
- Journal submission templates - Conference paper formats - Thesis templates - CV/Resume designs - Presentation slides
Rich Text Mode
For LaTeX beginners:
- Visual formatting toolbar - Less raw code needed - Good learning tool - Switch to code view anytime
How Overleaf Works
1. Create account (free) 2. Start new project (blank or template) 3. Write LaTeX in the editor 4. Compile (automatic or manual) 5. Download PDF or share
Overleaf for Different Users
Students
- Free tier for individual work - University access often included - Great for thesis writing - Templates for assignments
Researchers
- Collaboration with co-authors - Journal templates ready - Track changes for review - Reference management integration
Teams
- Shared projects - Consistent formatting - Version history - Admin controls
Overleaf vs. Desktop Editors
Getting Started with Overleaf
1. Sign Up
Free account at overleaf.com
2. Create First Project
Click "New Project" → choose template or blank
3. Write Your Document
Editor on left, PDF on right
4. Share or Download
Use "Share" button or download PDF
Overleaf Limitations
- Requires internet connection - Free tier has compile time limits - Complex documents may be slow - Learning LaTeX still necessary
Alternatives to Overleaf
Octree
AI-powered LaTeX editor:
- Intelligent writing suggestions - Fast compilation - Modern interface - Generous free tier
Desktop Editors
TeXShop, Texmaker, VS Code:
- Work offline - No time limits - Full control
Is Overleaf Right for You?
Yes, if you:
- Need online access - Collaborate with others - Want quick setup - Like templates
Consider alternatives if you:
- Work offline frequently - Have complex/long documents - Want AI assistance - Need faster compilation
Try a Modern Alternative
Octree offers Overleaf-like features plus:
- AI-powered editing - Faster performance - Smart suggestions - Free to start
Try it at https://useoctree.com