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

PDF Mantis is a open source Java based high level API which aims to simplify PDF data extraction.
Valid Credit Card Numbers for Testing Purposes
A tool to help create test data via a UI or API
Great Expectations is the leading tool for validating, documenting, and profiling your data to maintain quality and improve communication between teams
A diff tool for comparing PDF files
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.