Free online conversion tools for LaTeX, HTML, and Math powered by AI.

• Image to LaTeX - Convert images of handwritten math and equations to clean LaTeX code using GPT-4o-mini
• PDF to LaTeX - Convert PDF documents with mathematical content to clean LaTeX code using GPT-4o-mini
• Excel to LaTeX - Convert CSV, JSON, and Excel tables to clean LaTeX code using GPT-4o-mini
• TikZ Generator - Generate TikZ diagrams and graphics from text descriptions using GPT-4o-mini
• LaTeX Preview - Live LaTeX editor with instant PDF preview
• Markdown to LaTeX - Convert Markdown documents to clean LaTeX code using GPT-4o-mini
• Citation Generator - Generate BibTeX citations from DOIs, article details, or URLs using GPT-4o-mini
• MathML to LaTeX - Convert MathML (Mathematical Markup Language) to clean LaTeX code using GPT-4o-mini
• AI LaTeX Generator - Generate complete LaTeX documents from text descriptions using GPT-4o-mini
• HTML to LaTeX - Convert HTML markup to clean LaTeX code using GPT-4o-mini
• Mermaid to LaTeX - Convert Mermaid diagram syntax to LaTeX TikZ code using GPT-4o-mini

npm install

Create a .env.local file in the root directory:

# OpenAI API Key for GPT-4o-mini
# Get your API key from: https://platform.openai.com/api-keys
OPENAI_API_KEY=your_openai_api_key_here

npm run dev

Open http://localhost:3000 to view the tools.

All converters use GPT-4o-mini to process different file types:

• Drag and drop images (JPEG, PNG) or click to upload
• AI-powered conversion to complete LaTeX documents
• Code/Preview toggle with professional PDF rendering
• Preview caching for instant tab switching
• Export as LaTeX (.tex), PDF, or Image (JPG)
• One-click "Open in Octree" integration

• Upload PDF documents with mathematical equations
• Same powerful AI conversion and preview features
• Extract LaTeX code from academic papers, textbooks, or notes

• Upload CSV, JSON, or Excel files
• AI-powered conversion to beautifully formatted LaTeX tables
• Supports complex table structures with booktabs styling
• Same Code/Preview toggle and export features

• Describe diagrams in plain text
• AI generates complete TikZ/LaTeX code
• Perfect for flowcharts, graphs, and technical diagrams
• Instant PDF preview and export options

• Live LaTeX editor with Monaco syntax highlighting
• Auto-compile with 1-second debounce
• Instant PDF preview side-by-side
• Perfect for testing and learning LaTeX

• Paste Markdown content directly
• AI-powered conversion to complete LaTeX documents
• Supports all Markdown elements (headers, lists, tables, code blocks)
• Preserves inline and block math equations
• Code/Preview toggle and export features

• Enter article details, DOIs, or URLs
• AI-powered BibTeX citation generation
• Supports multiple citation types (article, book, inproceedings, etc.)
• Automatic citation key generation
• Export as .bib file for direct use in LaTeX documents

• Paste MathML (Mathematical Markup Language) markup
• AI-powered conversion to complete LaTeX documents
• XML syntax highlighting for input
• Code/Preview toggle with PDF rendering
• Export as LaTeX or PDF

• Describe your document in plain text
• AI generates complete, ready-to-compile LaTeX code
• Supports any document type (articles, reports, presentations, etc.)
• Automatic package selection and formatting
• Code/Preview toggle with PDF rendering
• Export as LaTeX or PDF

• Paste HTML markup directly
• AI-powered conversion to complete LaTeX documents
• HTML syntax highlighting for input
• Preserves document structure and formatting
• Code/Preview toggle with PDF rendering
• Export as LaTeX or PDF

• Paste Mermaid diagram syntax
• AI-powered conversion to TikZ/LaTeX code
• Syntax highlighting for input
• Supports all Mermaid diagram types (flowcharts, sequence diagrams, etc.)
• Code/Preview toggle with PDF rendering
• Export as LaTeX or PDF

• Next.js 15 with Turbopack
• TypeScript
• Tailwind CSS v4
• OpenAI GPT-4o-mini API
• Monaco Editor for LaTeX syntax highlighting
• React-PDF for professional PDF rendering
• Octree LaTeX Compilation Server
• Lucide React Icons
• next-intl

MIT