Free tool
How many slides does my talk need?
Enter your time and how you speak. You get a planning range, not a rule. Nothing leaves your browser.
Slide count guide
Time in, range out
Roughly
Add your minutes
Enter how long you have.
This is a planning range, not a rule. Slide counts differ by speaker, subject and room. The only reliable test is to rehearse at the pace you'll use on the day. Pair it with the talk length calculator.
Too many slides?
Cut to the point
Most overloaded decks have too many ideas, not too little time. A Room Review finds the one idea that matters.
Keynote or TEDx?
Training for the big stage
See keynote and TEDx training and the opening line starter.