MathInk is a secure LaTeX equation editor for Gmail™ that lets you write and render mathematical expressions directly inside the compose window. Insert clean, high-quality equations into email drafts without screenshots or browser extensions. Built as a Google Workspace™ add-on with minimal permissions and no inbox access. WRITE LATEX DIRECTLY IN GMAIL™ • Type raw LaTeX in the MathInk sidebar • Preview equations instantly • Insert high-quality rendered equations into your draft • Recipients do not need any extension installed BUILT FOR STABILITY MathInk is a Google Workspace™ add-on built using Gmail™’s official compose APIs. • No fragile DOM modification • Not dependent on Chrome™ extension policies • Designed for long-term stability as Gmail™ evolves MINIMAL PERMISSIONS. PRIVACY FIRST. • Does not read your inbox • Does not scan existing emails • Does not access message history • Does not store equation content • Uses transient rendering only FREE AND PRO MathInk includes a free tier for everyday use. For higher-resolution rendering and enhanced output quality, MathInk Pro is available via a small annual subscription. IDEAL FOR • University students and PhD researchers • Professors and teaching assistants • STEM teachers • Engineers and technical teams Gmail™ and other Google products are trademarks of Google LLC