Best code performance analysis tools in 2025

Timecomplexity

Instantly analyze code for runtime efficiency across languages.

Windows AI Studio

AI-driven coding assistant for Visual Studio Code users.

Zipy

User session insights for optimizing web and app performance.

Tensorbox

AI assistant for quick and effective debugging in code.

Rehance

AI assistant that automates tasks and enhances productivity.

Whybug

Error analysis and debugging guidance for developers.

BugLab by Microsoft Research

Automated bug detection and repair for software development.