marp-team

marp-team/marpit

JavaScript MIT Dev Tools

The skinny framework for creating slide deck from Markdown

1.3k stars
71 forks
active
GitHub +4 / week

1.3k

Stars

71

Forks

19

Open issues

12

Contributors

v3.2.2 04 Jul 2026

AI Analysis

Marpit is a lightweight framework for converting Markdown and CSS themes into HTML/CSS slide decks optimized for PDF printing. It serves developers and technical content creators who need minimal, customizable slide generation without predefined styling constraints. It is specifically designed as a foundation for other tools (like Marp) rather than as a standalone end-user presentation application.

Dev Tools Library Discovery value: 5/10
Documentation 9/10
Activity 9/10
Community 7/10
Code quality 8/10

Inferred from signals mentioned in the README (tests, CI, type safety) — not a review of the actual code.

Overall score 8/10

AI's overall editorial judgment — not an average of the bars above, can weigh other factors too.

markdown-to-slides static-html-generation css-theming presentation-framework svg-rendering
Actively maintained Well documented MIT licensed Niche/specialized use case Beginner friendly Production ready
Deep Analysis · Based on README and public signals
1d ago

Marpit: Lightweight Markdown-to-HTML slide framework designed as a reusable base layer, not a complete presentation tool

Marpit is a minimal JavaScript framework that converts Markdown and CSS themes into static HTML/CSS slide decks. It deliberately avoids shipping complete features; instead, it functions as a foundation for other tools (like Marp Core) to build upon. Adoption appears concentrated within the Marp ecosystem itself and among developers building custom slide solutions. Real-world standalone adoption is not well-documented.

Origin

Created in March 2018 by the Marp team (@yhatt and contributors), Marpit emerged as a deliberate split from a monolithic slide tool. The design reflects a philosophy: provide only the Markdown parsing, CSS theming, and HTML/CSS output primitives, leaving presentation UI and tooling to consumer libraries.

Growth

Growth has been modest and stable rather than accelerating. The project gained ~3 stars over the past week and 1,347 total over 8+ years, reflecting its role as an internal-facing library rather than a user-facing tool. The related Marp ecosystem projects (marp-cli: 3,692 stars; marp-vscode: 2,073 stars) dwarf Marpit's adoption, suggesting most users engage through those wrappers, not directly with Marpit.

In production

Adoption not verified. The README explicitly states Marpit is 'designed for using as the base of a core converter in Marp ecosystem' and contains no case studies, testimonials, or deployment examples. Usage appears confined to the Marp team's own products (Marp Core, Marp CLI, Marp VSCode), with no evidence of independent adoption.

Code analysis
Architecture

Appears to be built on markdown-it parser with custom extensions (Directives, slide backgrounds, inline SVG). Likely implements a theme system using pure CSS without predefined classes. Based on README, the core design prioritizes minimal asset output and composability with external tools.

Tests

Codecov badge present in README indicating automated coverage reporting; exact percentages not visible in excerpt. CircleCI integration suggests continuous testing, but no coverage thresholds or reports are documented in the README.

Maintenance

Last push 2026-07-04 (5 days before analysis date) indicates active maintenance. Repository is not dormant. However, the slow star growth (3 in 7 days) and modest total adoption suggest maintenance is incremental rather than driven by user demand or feature development pressure.

Honest verdict

ADOPT IF: You are building custom slide rendering tools or integrating Markdown-to-slides functionality into a larger application and want a lightweight, CSS-themeable foundation without bloat. AVOID IF: You need a complete, out-of-the-box presentation solution—use Marp, Marp CLI, or a traditional tool instead. MONITOR IF: You are considering Marpit for production but have not verified its stability in your specific use case; the lack of public adoption examples means support and troubleshooting may rely on community depth rather than documentation.

Independent dimensions

Mainstream potential

3/10

Technical importance

6/10

Adoption evidence

2/10

Risks
  • Low adoption means limited community troubleshooting resources and potentially slow issue resolution.
  • Designed as a framework, not a tool; requires integration work and CSS expertise, raising the barrier for casual users.
  • No public evidence of production deployments at scale; stability under heavy load or complex theming is unverified.
  • Tight coupling to the Marp ecosystem may make it less appealing for projects wanting architectural independence.
  • Sparse README on real-world usage patterns could lead to incorrect architectural decisions in custom implementations.
Prediction

Marpit will likely remain a stable, niche infrastructure component within the Marp ecosystem. It may see modest adoption among developers building custom presentation systems, but is unlikely to become a mainstream choice outside that use case. Maintenance will probably continue at the current low-intensity level.

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Languages

JavaScript
97.4%
SCSS
2.6%

Information

Language
JavaScript
License
MIT
Last updated
6d ago
Created
101mo ago
Analyzed with
anthropic/claude-haiku-4-5

Stars over time

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Contributors over time

Top 100 contributors only — repos with more will plateau at 100.

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vs. alternatives
marp-team/marp (12,136 stars)

Marp is the user-facing facade; Marpit is the low-level foundation. Marp integrates Marpit with CLI tooling, web UI, and features. Different tiers, not competitors.

marp-team/marp-cli (3,692 stars)

CLI wrapper around Marp Core (which uses Marpit). Most users interact with CLI, not Marpit directly. Marpit is a dependency, not a replacement.

marp-team/marp-vscode (2,073 stars)

VSCode extension built on Marp ecosystem. Marpit sits in the rendering pipeline but is invisible to end users.

mfontanini/presenterm (8,585 stars)

Terminal-based presentation tool in Rust. Solves a different problem (CLI + display); not directly comparable to Marpit's HTML/CSS framework role.

reveal.js, impress.js (other frameworks not listed)

Likely alternatives if someone were building a custom presentation framework from scratch. Marpit's appeal is as a minimal, CSS-flexible base; these are full-featured competitors in that broader space.