jinja2-cli
The CLI for Jinja2
Decision gist · record as of 2026-08-14
Yes. It is a lightweight, actively maintained tool with low install friction, permissive licensing, no security vulnerabilities, and a clear use case for anyone templating text from the shell. Install it if you need to render Jinja2 templates from the command line or in scripts without writing Python code.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.8 or later; TOML format support requires Python 3.11+
- Low friction install with a single runtime dependency on jinja2.
- Actively maintained with recent releases and a stable repository.
License · maintenance · safety
permissive license (permissive) — BSD License (permissive) allows use in commercial and private projects with minimal restrictions—retain copyright notice and disclaimer.
last release 2026-04-05 (131 days) · last repo commit 2026-08-12 · 608 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 1,679,960 downloads/mo, #3,658 on PyPI
Alternatives
Verify before relying
$ pip install jinja2-cli
$ jinja2 template.j2 data.json
$ curl -s http://api.example.com | jinja2 template.j2- Whether custom filter modules can be loaded from arbitrary paths or only from installed packages
- Performance characteristics with large data files or complex templates
- Exact behavior when template or data file is malformed or missing
What it is and what it does
jinja2-cli is a command-line wrapper around the Jinja2 templating engine that lets you render templates from the shell, reading data from files or standard input. It accepts multiple data formats (JSON, INI, ENV, querystring, TOML, and optional YAML/XML/JSON5 via extras) and supports inline variable definition, custom Jinja2 extensions, and custom filter modules. This makes it useful for generating configuration files, documentation, or any text output driven by structured data, without writing Python code.
The tool is designed for shell scripting and DevOps workflows—you can pipe data directly from curl, jq, or other CLI tools into a template, or read from files. It supports full control over the Jinja2 environment and can load custom filters from Python modules, including Ansible's filter library. The package is actively maintained, supports Python 3.8 through 3.12, and has no known vulnerabilities.
Use it for
- Generate configuration files (nginx, Docker, CloudFormation) from JSON or YAML data in CI/CD pipelines
- Render documentation or reports by combining templates with data fetched from APIs or databases
- Transform structured data (JSON, TOML) into text output using Jinja2 filters and logic from the command line
- Build shell scripts that template output without embedding Python or shell templating logic
- Extend template rendering with custom filters by loading your own Python filter modules
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
It is a lightweight, actively maintained tool with low install friction, permissive licensing, no security vulnerabilities, and a clear use case for anyone templating text from the shell. Install it if you need to render Jinja2 templates from the command line or in scripts without writing Python code.
Install
jinja2-cli on PyPI
Before you install
Low friction install with a single runtime dependency on jinja2. Actively maintained with recent releases and a stable repository.
Requires Python 3.8 or later; TOML format support requires Python 3.11+
License in practice
BSD License (permissive) allows use in commercial and private projects with minimal restrictions—retain copyright notice and disclaimer.
Quickstart
$ pip install jinja2-cli
$ jinja2 template.j2 data.json
$ curl -s http://api.example.com | jinja2 template.j2Verify before relying
- Whether custom filter modules can be loaded from arbitrary paths or only from installed packages
- Performance characteristics with large data files or complex templates
- Exact behavior when template or data file is malformed or missing
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagejinja2 |
| Maintenance | Actively maintained 131 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 1,679,960 / month, #3,658 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | License :: OSI Approved :: BSD LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9 |
Evidence: jinja2_cli-1.0.1-py3-none-any.whl
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See also j2cli · jinjanator · envtpl · jinja2-ansible-filters · jinja-cli · Jinja2 · jc · django-jinja · ruamel.yaml.jinja2 · json2xml