Summary  
This chapter covers implementing file upload handling and parsing logic for multiple file types, including validating file size limits, extracting textual content, and addressing privacy and formatting considerations.

General domain of usage  
Document parsing and analysis

One of the most powerful features of Claude is that you can **upload files** directly into a conversation. Claude supports a wide variety of file types, including PDFs, Word documents, images, and text files. There are two ways to upload a file:

- **Drag and drop** the file into the chat input box;
- Click the **plus (+) icon**, select the **paperclip menu item**, and choose the file from your device.

### What It's Actually Useful For

Here are some common ways to use file uploads:

**Finding information in long documents**

Upload a legal contract, report, or policy document and ask Claude questions about its contents.

Upload an image containing text and ask Claude to extract the text so you can copy, edit, or reuse it.

Upload two versions of a document and ask Claude to summarize the differences.

Upload a data file and ask Claude to identify trends, answer questions, or create charts.

Upload a document containing visualizations and ask Claude to explain what they show in simple terms.

### A Few Things to Be Aware Of

Claude's file upload feature is powerful, but there are a few limitations to keep in mind. Some files may exceed the platform's **upload size limits** and cannot be processed. When uploading documents, remember that the contents are **sent to Anthropic for processing**, so you should only upload files that you have permission to share and that do not violate your organization's **privacy or security policies**. Finally, while Claude can accurately **understand and analyze document content**, it may not perfectly preserve the original **formatting, layout, or visual appearance**.

Which consideration is most important when uploading a document that contains confidential company information?

Learn how to get the most out of Claude for work, study, and everyday tasks. This course covers everything from writing better prompts and analysing documents to using advanced features such as Projects, Artifacts, Memory, Skills, and Connectors. You'll also explore how Claude integrates with tools like Chrome, Slack, Excel, PowerPoint, and mobile devices. By the end of the course, you'll be able to use Claude confidently to save time, improve productivity, and solve real-world problems more effectively.

Learn the fundamentals of Claude, including account setup, the interface, plans, and core capabilities.

Master practical prompting techniques that help you get more accurate, useful, and consistent results.

Explore how Claude can help with writing, summarisation, research, document analysis, and working with data.

Unlock advanced features such as Projects, Memory, Custom Instructions, Artifacts, and long-conversation management.

Connect Claude to the tools you already use, including Chrome, Slack, Microsoft 365, mobile apps, Skills, and Connectors.

Uploading Files and Images

What It's Actually Useful For

A Few Things to Be Aware Of