Drop a lecture. Get captions that know the maths.

x²/2σ², ∫₀^π sin x dx, 9.8 m/s², H₂O — spoken maths, units and chemistry written as notation, in Unicode, LaTeX or plain text. Runs in your browser; audio never leaves your device.

Drop audio or video here, or click to choose

mp3 · m4a · wav · mp4 · mov · webm — lectures, tutorials, problem walkthroughs

Up to 5 minutes per file

Runs in your browser. Your audio never leaves this device.