VibeCheck – Analyze the tone of your Gmail and LinkedIn messages

Summary: VibeCheck is a privacy-focused Chrome extension that detects emotional and confidence signals in Gmail and LinkedIn messages in real time, helping users communicate with clarity and intent.

What it does

It analyzes the tone of messages before sending by surfacing emotional and confidence cues directly within Gmail and LinkedIn interfaces.

Who it's for

Designed for founders, operators, and anyone who writes important or high-stakes messages.

Why it matters

It helps users reflect on message tone to improve communication effectiveness in critical conversations.