Testlio is a crowdtesting platform that connects businesses with skilled testers to ensure the quality and functionality of digital products, such as websites and apps. It provides comprehensive software testing services, including functional, usability, and exploratory testing, to help companies deliver seamless user experiences. Testlio's network of professional testers works globally, offering real-time feedback and bug reporting to optimize software before launch. Founded in 2012, the platform claims to have more than 10k vetted testers in its network and to have worked with well-known companies like Amazon, Microsoft, PayPal, Uber, Netflix, and more.

To qualify for Testlio, testers need a strong understanding of software quality assurance and previous testing experience. Testers must be detail-oriented, capable of identifying bugs, and providing thorough feedback. The platform seeks professionals with technical skills, including familiarity with different testing methodologies and tools, and requires testers to pass an initial assessment.