Big list of naughty strings
The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.
Similar Tools
AutoTestData is a single page web application to generate the Fake Test Data just in 3 simple steps. It is an absolutely free community product.
Streamline your API testing, integration testing and test data management.
Simplify your dynamic scraping operations. Run and scale your Puppeteer, Selenium, and Playwright scripts on fully hosted browsers, with built-in CAPTCHA solving automated proxy management.
Great Expectations is the leading tool for validating, documenting, and profiling your data to maintain quality and improve communication between teams
Manage your entire QA lifecycle in one place. Sync Jira, automate scripts, and use AI to accelerate your testing.
Kick off 2026 with an honest look at where AI really helps software testing teams.
With servers in >250 cities around the world, check your site for localization problenms, broken GDPR banners, etc.
Create, run, and maintain web and mobile tests with no-code, AI-driven automation in the cloud