Speech Time Calculator
Words to minutes — how long your talk will take.
Open toolSlide Tools
Free, browser-based tools for better presentations.
Slide Timer
Rehearse with per-slide checkpoints and time alerts.
Open toolSlides per Minute Calculator
How many slides for a 10-, 20- or 45-minute talk.
Open toolOnline Teleprompter
Free browser teleprompter with mirror mode and speed control.
Open toolAspect Ratio Calculator
Simplify a ratio and scale dimensions without distortion.
Open toolSlide Size Calculator
PowerPoint, Google Slides & Keynote dimensions in px, in, cm.
Open toolPresentation Font Size Calculator
Minimum readable font size for your room and screen.
Open toolMarkdown to Slides
Write in Markdown, present in the browser, export HTML, PDF or PPTX.
Open toolMarkdown to PPTX
Convert Markdown to an editable PowerPoint file, in the browser.
Open tool