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

Seamlessly visualize your JSON data instantly into graphs.
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.
Valid Credit Card Numbers for Testing Purposes
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.
A diff tool for comparing PDF files
Generate massive amounts of fake (but realistic) data for testing and development in the browser and node.js
Subscribe to our newsletter
We'll keep you up to date on all the testing trends.