mrml
A Python wrapper for MRML (Rust port of MJML).
Decision gist · record as of 2026-08-14
Yes, if you need to convert MJML to HTML and can tolerate medium install friction from compiled bindings. The package is actively maintained, has no security issues, and offers a clean API with no runtime dependencies. The main caveat is the unclear license status—verify licensing terms before adopting in proprietary projects. Installation should be straightforward on common platforms thanks to pre-built wheels.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.7 or later; compiled wheels available for most platforms but may require compilation on unsupported architectures.
- Medium install friction due to compiled Rust bindings, but wheels are available for common platforms (x86_64, ARM, Windows, macOS).
- Package is actively maintained with recent releases and no known vulnerabilities.
License · maintenance · safety
(unclear) — License status is unclear—no SPDX identifier or raw license text is available in the package metadata. Verify the actual license before using in proprietary or restricted contexts.
last release 2026-04-25 (111 days) · last repo commit 2026-08-11 · 504 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 1,005,266 downloads/mo, #4,530 on PyPI
Alternatives
Verify before relying
import mrml
result = mrml.to_html("<mj-body><mj-text>Hello</mj-text></mj-body>")
print(result.content)- Whether the package includes documentation or examples beyond the GitHub repository.
- Exact license terms and compatibility with common open-source and proprietary workflows.
- Performance characteristics and limits for large or complex MJML templates.
What it is and what it does
mrml is a Python wrapper around a Rust reimplementation of MJML, a markup language designed for building responsive email templates. It translates MJML syntax into production-ready HTML, handling the complexity of email client compatibility so developers don't have to. The package has no runtime dependencies and exposes a simple API: pass MJML markup to `to_html()` and receive HTML output. It supports advanced features like file includes via a pluggable loader system, allowing you to compose templates from separate files or in-memory sources.
The package is built on compiled Rust bindings, which means installation requires platform-specific wheels rather than pure Python code. Wheels are provided for common architectures (x86_64, ARM, PowerPC, s390x on Linux; x86_64 and ARM on macOS; x86_64 on Windows) and Python versions 3.10–3.12, with declared support back to Python 3.7. The project is actively maintained, with recent commits and no known security vulnerabilities.
Use it for
- Generate responsive email HTML from MJML markup without manually handling email client quirks.
- Build email template systems that compose reusable MJML components via includes.
- Convert MJML designs to production HTML in CI/CD pipelines or backend services.
- Prototype responsive emails quickly using MJML's higher-level syntax instead of raw HTML.
- Integrate email template rendering into Python web frameworks or batch email services.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need to convert MJML to HTML and can tolerate medium install friction from compiled bindings.
The package is actively maintained, has no security issues, and offers a clean API with no runtime dependencies. The main caveat is the unclear license status—verify licensing terms before adopting in proprietary projects. Installation should be straightforward on common platforms thanks to pre-built wheels.
Install
mrml on PyPI
Before you install
Medium install friction due to compiled Rust bindings, but wheels are available for common platforms (x86_64, ARM, Windows, macOS). Package is actively maintained with recent releases and no known vulnerabilities.
Requires Python 3.7 or later; compiled wheels available for most platforms but may require compilation on unsupported architectures.
License in practice
License status is unclear—no SPDX identifier or raw license text is available in the package metadata. Verify the actual license before using in proprietary or restricted contexts.
Quickstart
import mrml
result = mrml.to_html("<mj-body><mj-text>Hello</mj-text></mj-body>")
print(result.content)Verify before relying
- Whether the package includes documentation or examples beyond the GitHub repository.
- Exact license terms and compatibility with common open-source and proprietary workflows.
- Performance characteristics and limits for large or complex MJML templates.
Package facts
| License | Not declared unclear |
| Python support | Supports the current Python release >=3.7 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 111 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 1,005,266 / month, #4,530 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyProgramming Language :: Rust |
Evidence: mrml-0.2.4-cp310-cp310-manylinux_2_17_armv7l.manylinux2014_armv7l.whl; mrml-0.2.4-cp310-cp310-manylinux_2_17_i686.manylinux2014_i686.whl; mrml-0.2.4-cp310-cp310-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl; mrml-0.2.4-cp310-cp310-manylinux_2_17_s390x.manylinux2014_s390x.whl; mrml-0.2.4-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; mrml-0.2.4-cp310-cp310-manylinux_2_28_aarch64.whl; mrml-0.2.4-cp310-cp310-win_amd64.whl; mrml-0.2.4-cp311-cp311-macosx_10_12_x86_64.whl; mrml-0.2.4-cp311-cp311-macosx_11_0_arm64.whl; mrml-0.2.4-cp311-cp311-manylinux_2_17_armv7l.manylinux2014_armv7l.whl; mrml-0.2.4-cp311-cp311-manylinux_2_17_i686.manylinux2014_i686.whl; mrml-0.2.4-cp311-cp311-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl; mrml-0.2.4-cp311-cp311-manylinux_2_17_s390x.manylinux2014_s390x.whl; mrml-0.2.4-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; mrml-0.2.4-cp311-cp311-manylinux_2_28_aarch64.whl; mrml-0.2.4-cp311-cp311-win_amd64.whl; mrml-0.2.4-cp312-cp312-macosx_10_12_x86_64.whl; mrml-0.2.4-cp312-cp312-macosx_11_0_arm64.whl; mrml-0.2.4-cp312-cp312-manylinux_2_17_armv7l.manylinux2014_armv7l.whl; mrml-0.2.4-cp312-cp312-manylinux_2_17_i686.manylinux2014_i686.whl
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See also mjml-python · mjml · django-mjml · html5tagger · email-to · css-inline · tinyhtml · htmlBuilder · cohere-melody