Allure vs Extent Reports 2026: Test Reporting Compared
Allure vs Extent Reports 2026: HTML report generators, history tracking, framework integrations.
Allure
Multi-language HTML test reporting
- License
- Apache 2.0
- Language
- Java/.NET/Python/JS/Ruby/PHP
Extent Reports
Beautiful HTML reports for Java/.NET tests
- License
- Apache 2.0
- Language
- Java / .NET
Allure and Extent Reports are the two most-popular HTML test report generators in 2026. Allure is polyglot — Java/.NET/Python/JS/Ruby — with rich history, trends, and behaviors. Extent Reports is Java + .NET focused with a polished dashboard and Klov server for history. Both integrate with TestNG, JUnit, Cucumber, Selenide, Playwright.
Feature-by-Feature Comparison
| Feature | Allure | Extent Reports |
|---|---|---|
| Languages | Java/.NET/Py/JS/Rb/PHP | Java / .NET |
| Framework adapters | TestNG/JUnit/Cucumber/Pytest/Mocha/RSpec | TestNG/JUnit/Cucumber/MSTest/NUnit/xUnit |
| History tracking | Yes — local + Allure TestOps | Yes — Klov MongoDB server |
| Charts | Severity, duration, environments | Pass/fail trends, dashboards |
| CI integration | Jenkins/GitHub Actions plugins | Klov hosted + report HTML |
| Screenshots | Attachment API | Attachment API |
| Categories | Severity + tags | Tags + categories |
| Hosted SaaS | Allure TestOps (paid) | Klov self-hosted |
| Best with Selenide | AllureSelenide listener | Manual integration |
| Open source | Yes | Community edition + paid Pro |
Strengths of Allure
- •Polyglot — single report tool across stacks
- •AllureSelenide ships with screenshots + page source
- •Severity, environment, and trend charts
- •Allure TestOps for hosted dashboards
- •Strong CI plugins (Jenkins, GHA)
- •Behavior reporting (BDD-friendly)
- •Active community + many adapters
- •Reads from JUnit XML if needed
Strengths of Extent Reports
- •Polished UI out of the box
- •Klov + MongoDB for history server
- •Tight Java + .NET integration
- •Custom dashboards via Klov
- •Extent Pro adds Slack + Teams notifications
- •Less config than Allure for simple cases
- •Detailed pass/fail trends
- •Easy screenshot embedding
When to pick Allure
Pick Allure for polyglot teams sharing one report style, when AllureSelenide convenience matters (Java), or when TestOps managed history is the goal.
When to pick Extent Reports
Pick Extent Reports for Java + .NET only stacks, when Klov self-hosted history fits, when you want polished UI with minimal config, or when Pro features (Slack/Teams) matter.
Verdict
Allure for polyglot + AllureSelenide. Extent for Java/.NET only with polished UI out of the box.
Frequently Asked Questions
Which has more language support?
Allure — Java, .NET, Python, JS, Ruby, PHP. Extent is Java + .NET only.
History tracking?
Both. Allure native or TestOps. Extent via Klov + MongoDB.
AllureSelenide?
Native integration for Selenide — screenshots + page source on failures. Extent needs manual hooks.
Cost?
Both have free OSS editions. Allure TestOps is paid SaaS; Extent Pro is paid.
Deep-Dive Articles
Need a ready-made testing skill?
Both Allure and Extent Reports have curated QASkills.sh skills you can install into Claude Code, Cursor, Copilot in 5 seconds.
Comparisons reflect public information as of 2026-05. Tooling evolves quickly — verify current state on official docs before final decisions.