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OWASP/owasp-java-encoder

Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP, Jakarta and ESAPI adapters.

Java ◇ css BSD-3-Clause
★542STARS
⑂128FORKS
!0ISSUES
🏆#3,559GLOBAL RANK
🔥1DAYS TRENDING
🚀
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Star History

Continuous Observations
Interactive star growth chart for OWASP/owasp-java-encoder
CSV

Momentum

+14

STARS · LAST 30 DAYS

1

PER DAY

#270

MOST-STARRED Java

Window7 days30 days90 days
Stars gained+7+14+90
Per day111
Forks gained+1+3+10

owasp-java-encoder gained 14 stars in the last 30 days, about 1 a day, and now has 542. It is about 12 years old and has averaged roughly 45 stars a year. It ranks #270 among Java repositories and #3,559 across all languages on GitHubRepo.

Trending Record

owasp-java-encoder has maintained a continuous presence across global trending indexes, peaking at #3447. Below is the 30-day activity profile:

💡 Overview

owasp-java-encoder is an open-source project written in Java: Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP, Jakarta and ESAPI adapters.

Engineered for speed, consistency, and developer ease, it solves common hurdles in css, esapi, html. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in Java for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ git clone https://github.com/OWASP/owasp-java-encoder.git
cd owasp-java-encoder

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

JDK 17 or higher (OpenJDK / GraalVM)

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

owasp-java-encoder coordinates its core functionality through a modular Java pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Production System Integration

Embed owasp-java-encoder into Java backend services to handle core application logic.

CI/CD Automated Pipelines

Run automated validation, builds, and integration suites during deployments.

Developer Tooling & Workflows

Accelerate developer onboarding with pre-configured project utilities.

Open Source Extension

Fork and customize internal modules under the repository's open BSD-3-Clause license.

🚀 Getting Started

1

Install owasp-java-encoder using your package manager: `git clone https://github.com/OWASP/owasp-java-encoder.git`

2

Initialize your project workspace or configuration file for owasp-java-encoder.

3

Import owasp-java-encoder into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `owasp-java-encoder --help` to verify successful setup.

👍 Strengths

Active community backing with 542 GitHub stars and verified adoption.
Permissive open-source distribution under the BSD-3-Clause license.
Built in Java for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with Java and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

⇄ Alternatives & Direct Competitors

S

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👥 Who Should Use This

Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

OWASP/owasp-java-encoder is currently ranked #3,559 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#3,554 yfactorial/objectiveresource Objective-C ★ 544 Compare ↗
#3,554 google/llvm-propeller C++ ★ 544 Compare ↗
#3,554 htrefil/rkvm Rust ★ 544 Compare ↗
#3,554 smg-project/smg Rust ★ 544 Compare ↗
#3,558 openshift/hypershift Go ★ 543 Compare ↗
#3,559 OWASP/owasp-java-encoder This Project Java ★ 542
#3,559 tcurdt/jdeb Java ★ 542 Compare ↗
#3,559 bkshepherd/DaisySeedProjects C++ ★ 542 Compare ↗
#3,562 LDRAlighieri/Corbind Kotlin ★ 541 Compare ↗
#3,562 BennyKok/omg.dev TypeScript ★ 541 Compare ↗
#3,564 ProcessMaker/processmaker PHP ★ 540 Compare ↗

Frequently Asked Questions

What does owasp-java-encoder do? +

Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP, Jakarta and ESAPI adapters.

What language is owasp-java-encoder written in? +

The primary language is Java. Topics include: css, esapi, html, jakarta, java.

Is owasp-java-encoder actively maintained? +

Yes, the last recorded push was on Sep 28, 2026 with 0 open issues being tracked.

How many stars does owasp-java-encoder have? +

owasp-java-encoder has 542 stars and 128 forks on GitHub.

How does owasp-java-encoder rank among GitHub repositories? +

With 542 stars, OWASP/owasp-java-encoder is ranked #3,559 globally across all repositories tracked on GitHubRepo and #270 among Java projects.

What license is owasp-java-encoder distributed under? +

The repository reports a BSD-3-Clause license. Always verify the repository LICENSE file for legal terms.

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