jinja
by pallets
Jinja is a Python templating engine that lets you write documents with placeholders, loops and conditions, then fills them in with data. It is used to generate web pages, emails, config files and reports from Python code.
- Stars
- 11.8k
- Licence
- BSD-3-Clause
- Runs on
- Your computer
- Setup
- Easy
- Language
- Python
- Age
- 5853 days
What you can do with it
- Build HTML pages that share a common layout using template inheritance
- Generate personalised emails, invoices or reports from data
- Safely render user-supplied templates in a sandboxed environment
Make money with it
A freelance developer could offer automated document or email generation, such as invoices and reports, as a paid service for small businesses.
An idea, not financial advice. Check the licence before charging for anything built on it.
Ways a business could use it
- Produce branded invoices, quotes and email newsletters automatically from customer data
- Build and maintain a website or web app with reusable page layouts, saving design and development time
Can you use it commercially?
Free to use, change and sell, including in paid products. Keep the copyright notice.
Not legal advice. Read the project's licence file before building a product on it.
Getting it running
It is a Python library, installed with pip and then imported into your own code (the README does not give install steps, but this is the standard method).
Follow the official instructions in the project README.
Things to check
- It is a library, so it needs Python programming knowledge and is not a ready-made app
Checked 27 Oct 2026. Summary drafted by AI from the project's README.