Burp Suite Professional vs qsreplace: side-by-side comparison (2026)

Burp Suite Professional: A web application security testing platform that combines manual and automated testing tools for conducting comprehensive security assessments and penetration testing. Built by PortSwigger Ltd.

qsreplace: A command-line tool that replaces all query string parameter values in URLs with a user-supplied value for security testing purposes.

The table above shows where their features, integrations, deployment and company size fit differ.

Burp Suite Professional is made by PortSwigger Ltd. qsreplace is open-source with 837 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Burp Suite Professional and qsreplace are both Penetration Testing products. Key differences: Burp Suite Professional is Commercial while qsreplace is Free, qsreplace is open-source. Use the table above to see where features, deployment and company size fit differ.