Kreuzberg

Kreuzberg

Extract text and metadata from a wide range of file formats (88+), generate embeddings and post-process at native speeds without needing a GPU.

Key Features

• Extensible architecture – Plugin system for custom OCR backends, validators, post-processors, and document extractors
• Polyglot – Native bindings for Rust, Python, TypeScript/Node.js, Ruby, Go, Java, C#, PHP, Elixir, R, and C
• 88+ file formats – PDF, Office documents, images, HTML, XML, emails, archives, academic formats across 8 categories
• OCR support – Tesseract (all bindings, including Tesseract-WASM for browsers), PaddleOCR (all native bindings), EasyOCR (Python), extensible via plugin API
• High performance – Rust core with native PDFium, SIMD optimizations and full parallelism
• Flexible deployment – Use as library, CLI tool, REST API server, or MCP server
• Memory efficient – Streaming parsers for multi-GB files

**[Complete Documentation](https://kreuzberg.dev/)** | **[Installation Guides](#installation)**

Installation

Each language binding provides comprehensive documentation with examples and best practices. Choose your platform to get started:

**Scripting Languages:**

• Python – PyPI package, async/sync APIs, OCR backends (Tesseract, PaddleOCR, EasyOCR)
• Ruby – RubyGems package, idiomatic Ruby API, native bindings
• PHP – Composer package, modern PHP 8.4+ support, type-safe API, async extraction
• Elixir – Hex package, OTP integration, concurrent processing
• R – r-universe package, idiomatic R API, extendr bindings

**JavaScript/TypeScript:**

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