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

Valid Credit Card Numbers for Testing Purposes
A diff tool for comparing PDF files
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.
Manage data from requirements through retirement to improve business agility while reducing costs
With over 120,000 users, Fake Filler is the most popular browser extension for testing forms. Fake Filler is the quickest way to fill all inputs on a page with fake data.
Go beyond basic mocking and stubbing to create a more robust simulation for APIs and services.
Subscribe to our newsletter
We'll keep you up to date on all the testing trends.