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.

Generate massive amounts of fake (but realistic) data for testing and development in the browser and node.js

A diff tool for comparing PDF files

A tool to help create test data via a UI or API

Your trusted partner for structured and validated data on-demand. Define your data requirements and we’ll automatically handle the rest.

Type accent marks, diacritics and other characters online