I've sat through enough presentations to notice a pattern: it's rarely the content that puts people to sleep. It's the slides fighting the speaker instead of supporting them. A dense paragraph nobody can read while someone talks over it. A chart with six colors and no clear takeaway. Twelve bullet points that all sound equally important, which means none of them are.

None of this requires more creativity to fix. It requires fewer decisions made on autopilot. Here are ten rules I keep coming back to when a deck feels flat.

Cut before you design

1. Decide the one thing before you open the software. Every slide should be answerable with a single sentence: what does the audience need to walk away knowing from this slide? If you can't write that sentence, you don't have a slide yet — you have a placeholder. I've reworked plenty of decks where the fix wasn't new visuals, it was deleting slides that were trying to say three things at once.

2. Split the slide, not the font size. The instinct when there's too much content is to shrink the text until it fits. Don't. If a slide needs a smaller font to work, it needs to become two slides. This one is uncomfortable in practice because it means more slides in the deck — but audiences forgive slide count far more easily than they forgive squinting.

Typography and hierarchy

3. Pick a hierarchy and commit to it. One heading style, one body style, maybe one accent style for callouts. Not because variety is bad, but because inconsistent type sizing is the fastest way to make a deck look unplanned, even when the content is solid.

4. Let whitespace do work. A slide that's two-thirds empty space around a strong statement usually lands harder than a slide packed edge to edge. This is the rule people resist most, because empty space can feel like wasted space. In my experience it's the opposite — it's what makes the one thing on the slide actually visible.

Color and contrast

5. Use color to point, not to decorate. If everything on the slide is colored, nothing stands out. I'd rather see a mostly neutral slide with one element in a bold accent color than a rainbow of "brand colors" applied for their own sake. Color is a tool for directing attention, and it stops working the moment it's used everywhere.

Data and charts

6. Match the chart to the question, not the data type. A bar chart, a line chart, and a pie chart aren't interchangeable just because they can all technically hold the same numbers. Ask what comparison you want the audience to make — over time, between categories, as a share of a whole — and pick accordingly. One thing I wouldn't recommend: defaulting to whatever chart type the software suggests first.

7. Kill chart clutter before you kill chart color. Gridlines, data labels on every single point, a legend when there are only two series — most charts carry more decoration than the data needs. Strip it back until only what supports the point remains. This is the one rule that photographs badly in a "before and after" post, because the "after" chart often looks almost plain. That's usually a sign it's working.

Motion, transitions, and pacing

8. Use animation to sequence ideas, not to impress. A build that reveals bullet points one at a time so the audience isn't reading ahead of the speaker — that earns its place. A slide-in-from-the-side transition for every single slide — that's noise. The test I use: would removing this animation make the point harder to follow? If not, cut it.

Consistency without monotony

9. Repeat structure, vary content. Consistent margins, consistent title placement, consistent icon style — these make a deck feel designed rather than assembled. But that doesn't mean every slide should look identical. A full-bleed image slide breaking up a run of text-and-bullet slides isn't inconsistency, it's pacing. Trends in deck design tend to swing between "every slide is a template" and "every slide reinvents itself," and neither extreme reads well over 20+ slides.

The audience test

10. Present it to one person before the room. Not a formal rehearsal — just walk someone through it and watch where their eyes go. One thing people overlook: they design slides for the version of the talk in their head, where they already know what matters. A first-time viewer doesn't have that context, and their attention will tell you exactly which slides are unclear before an audience does.

None of these rules are about making slides prettier for their own sake. They're about removing the friction between what you mean and what the audience sees. If your next deck feels flat, it's worth going slide by slide and asking which of these ten got skipped — usually it's just one or two, not all of them at once.