THE TOOLKIT / 10
Presentation tools
Create, rehearse, and get the details right. Ten free tools, no sign-in required.
HTML Slide Editor
Import HTML, refine the content, and present in your browser.
Speech Time Calculator
Words to minutes — how long your talk will take.
Slide Timer
Rehearse with per-slide checkpoints and time alerts.
Slides per Minute Calculator
How many slides for a 10-, 20- or 45-minute talk.
Online Teleprompter
Free browser teleprompter with mirror mode and speed control.
Aspect Ratio Calculator
Simplify a ratio and scale dimensions without distortion.
Slide Size Calculator
PowerPoint, Google Slides & Keynote dimensions in px, in, cm.
Presentation Font Size Calculator
Minimum readable font size for your room and screen.
Markdown to Slides
Write in Markdown, present in the browser, export HTML, PDF or PPTX.
Markdown to PPTX
Convert Markdown to an editable PowerPoint file, in the browser.