What are the options for extending a tourist visa in Bangkok for Pakistani passport holders?

The conversation revolves around seeking recommendations for reputable agencies to assist with extending a tourist visa in Bangkok for a Pakistani passport holder. Multiple comments suggest that extending the visa is straightforward and not necessarily requiring an agent, highlighting that applicants can manage the process themselves with basic documents and a bit of time. Some commenters note potential complications with visas for Pakistani holders, suggesting that extensions may be limited to a shorter duration.