Skip to main content
Chunkr documentation banner image
Chunkr is joining Extend. The hosted Chunkr API shuts down on November 15, 2026. See the migration guide to move your integration, and Extend’s documentation to get started there.
Chunkr turns complex documents like PDFs, spreadsheets, and images into clean data - fast, accurate, and at scale. We build industry leading VLMs + computer-vision models to deliver structured, machine-readable outputs with unmatched accuracy. This guide contains everything you need to understand Chunkr. If anything is missing, we’re here to help at [email protected].

​
Get Started

Quickstart

Get started in under 2 minutes

API Reference/SDKs

Powerful Python and Typescript libraries

Web Interface

Test documents and view results instantly

​
Features

Task System

A simple, task-based API that gives you full control over your document ingestion.

Parse

Turn any document into LLM-ready data. Markdown, bounding boxes, etc.

Extract

Auto-fill custom schemas. Citations, confidence scores, structured JSON.

​
What can I do with Chunkr?

Chunkr is built for any AI and developer team that works with messy documents at scale. You can process a vast array of document types across any industry. Use cases are wide and varied, here are some of the things folks build with our outputs:

​
Standout AI Applications

  • Intelligent RAG systems: Feed your Retrieval-Augmented Generation pipelines with perfectly chunked, application-ready content from any document.
  • Power document-first applications: Leverage bounding boxes, citations, and precise OCR to build visual search tools, verification interfaces, and interactive document experiences.
  • Create specialized AI agents: Develop sophisticated agents that can reason over and extract insights from legal contracts, financial reports, spreadsheets, or scientific papers.

​
Automate Critical Workflows

  • Finance: Automate data entry and accelerate financial analysis by processing high volumes of invoices, bank statements, and 10-K/10-Q reports.
  • Legal: Streamline compliance and legal review by automating data extraction from regulatory filings, contracts, and evidence documents with fully auditable, citation-backed results.
  • Supply Chain: Digitize and process bills of lading, packing slips, and purchase orders to enhance logistics, reduce manual errors, and speed up your supply chain.

​
Security and Trust

Security is at the core of our platform. We offer a SOC 2 and HIPAA-compliant service, never train on your data, and provide on-premise solutions for maximum control. We also maintain backwards compatibility to ensure a stable, reliable platform you can depend on.

Policies

Explore our comprehensive security policies and commitment to data privacy.

On Premise

Learn about our on-premise offerings for maximum data control and security.