How to Handle Image File Submission in HTML Forms with FastAPI | Upload and Display Images

In this hands-on FastAPI tutorial, you’ll learn how to handle image file uploads from HTML forms and serve them back to users — all using FastAPI’s elegant and Pythonic design. Whether you're building a photo-sharing app, profile upload feature, or an admin dashboard, this video covers the complete workflow from front-end form submission to back-end file handling and rendering.

What You’ll Learn:
How to create an HTML form using Jinja2 templates
Submitting image files from the front-end using form enctype="multipart/form-data"
Receiving uploaded files with FastAPI using UploadFile and File
Saving image files locally in a secure way
Displaying uploaded images back to the user in an HTML page
Best practices for handling file types and size limits
How to serve static files like images from FastAPI

This video is perfect if you’re looking to:

Build interactive and media-rich applications with FastAPI

Understand how to connect HTML and FastAPI back-end

Get hands-on with file handling, form data, and Jinja2 templating

Learn real-world techniques for handling user-uploaded content

Tech Stack Used:

Python 3.10+

FastAPI

Jinja2 Templates

Uvicorn server

HTML & Form submission basics

Who Should Watch?

FastAPI beginners wanting to work with HTML front-ends

Full-stack developers adding image upload functionality

Python developers learning how to manage multimedia files

Anyone curious about FastAPI's integration with web templates and static files

By the end of this video, you’ll be able to build a complete flow for uploading, storing, and displaying image files in FastAPI using just a few lines of clean, understandable code.

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