Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

OWASP Penetration Testing Kit

Free#17 of 34 in Penetration Testing Software

OWASP Penetration Testing Kit: A free, focused toolkit for browser-based web application testing. Ranked #17 of 34 in Penetration Testing Software by our editors (7.5/10); pricing: Free plan; best for free browser-based application testing.

7.5/10Editor score
Visit OWASP PTK
OWASP Penetration Testing Kit7.5 Visit OWASP PTK

At a glance

  • Editor score
    7.5 / 10
  • Pricing
    Free plan
  • Best for
    Free browser-based application testing
  • Free plan
    Yes
  • Paid from
    Free
  • Facts checked
    20 Sep 2026
OWASP Penetration Testing Kit screenshot

  • Where it wins

    • Dynamic, client-side, and runtime analysis in browser sessions
    • Traffic inspection, request replay, JWT testing, and storage tools
    • Automation integrations plus OWASP ZAP findings import

  • Where it doesn't

    • Focused on browser-based application testing rather than network testing
    • Available as a Chrome extension
    • OWASP classifies the project as an incubator project

Our verdict on OWASP Penetration Testing Kit

OWASP Penetration Testing Kit (PTK) is an open-source Chrome extension for testing web applications from the browser sessions where they run. It is designed for security teams and testers working with authenticated applications and single-page applications, with coverage spanning dynamic testing, client-side analysis, runtime behavior, software components, traffic, JWTs, and browser storage. Its focus is deliberately narrow: browser-based application testing rather than network testing.

The feature set reaches beyond basic request inspection. PTK can run dynamic application security testing against selected requests, parameters, and request bodies, while also analyzing client-side JavaScript and HTML. In-browser runtime analysis covers DOM operations, navigation, and browser messaging. Browser traffic inspection supports request replay and modification, and the toolkit includes JWT analysis, cookie and browser-storage management, finding evidence, and reproduction details. These capabilities make it suitable for investigating application behavior and documenting findings within the browser workflow.

For repeatable workflows, PTK provides automation through PTK Agent and integrations with Playwright, Puppeteer, Selenium, and Cypress. Its OWASP ZAP integration imports findings into the ZAP alert model, extending its place in broader security-testing processes. Choose PTK if your priority is free, open-source testing of web applications through browser activity, including client-side behavior and authenticated sessions. Choose another tool alongside it when network testing is required, or when your workflow does not center on Chrome-based browser testing. The project’s incubator classification is also relevant for teams assessing project maturity before adopting it in a larger program.

Your product? Our editors can test OWASP Penetration Testing Kit in depth and publish a review, labelled as paid · from $149/mo →

OWASP Penetration Testing Kit pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on owasp.org

OWASP Penetration Testing Kit fact sheet

Free planYes
Paid fromFree
DeploymentNot verified
Web app testingYes
API testingNot verified
Network testingNo
Mobile testingNot verified
Finding managementYes
Evidence captureYes
DeploymentBrowser extension
PlatformsChrome extension
SupportCommunity, Docs
Built forSolo, Small business (editorial estimate)
Integrations5 integrations: Playwright, Puppeteer, Selenium, Cypress, OWASP ZAP
PricingFree plan
Websiteowasp.org
Facts checked20 Sep 2026

OWASP Penetration Testing Kit integrations

OWASP Penetration Testing Kit lists 5 integrations on its own site.

  • Playwright
  • Puppeteer
  • Selenium
  • Cypress
  • OWASP ZAP

Alternatives to OWASP Penetration Testing Kit

See all OWASP Penetration Testing Kit alternatives →

Used OWASP Penetration Testing Kit? Be the first to review it

The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used OWASP Penetration Testing Kit for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

Write a reviewTwo minutes · verified accounts only · read by an editor before it appears

Reviews come only from verified accounts. Sign in or create an account first — your e-mail is never shown.

Your rating

0 characters · at least 80, up to 3,000

Posted from your verified account. Reviews appear after an editor reads them, usually within two working days.

Featured on iTechGuides

Featured on iTechGuides — OWASP Penetration Testing Kit 7.5/10

OWASP Penetration Testing Kit is listed in our Penetration Testing Software directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/owasp-penetration-testing-kit/"><img src="https://www.itechguides.com/best/badge/owasp-penetration-testing-kit.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated · How we research and update