Free presentation design systems you paste into ChatGPT or Claude.
AI chat tools write decent slide content. Design is where they fall apart: clip-art, clashing colors, bullet walls. A sharper prompt fixes that.
Each theme here is one prompt that carries a full design system: a color palette pinned to hex values, named Google Fonts, a layout grammar, and an avoid-list that stops the model from decorating. Paste it into ChatGPT or Claude, say what your talk covers, and every slide matches.
56 themes across 7 use-case categories and 9 visual styles.
- Find a theme below and open its page. Each has the full prompt, a palette, fonts, and slide previews.
- Copy the prompt (or grab the theme's
PROMPT.md) and paste it into a new ChatGPT or Claude chat. Answer the one question it asks, then generate and refine slide by slide. - Or generate a finished deck with SlideSpeak. The same themes power SlideSpeak's generator, which exports to PowerPoint and Google Slides.
Every prompt pins colors and fonts as values you can edit. Swap the hex codes for your brand colors before you send it, and the layout rules still hold.
Each theme is a self-contained folder under prompts/:
| File | What it holds |
|---|---|
README.md |
The theme page: preview thumbnails, the prompt, palette, fonts, and notes on what it's for. |
PROMPT.md |
Just the prompt, ready to paste into a chat. |
previews/*.webp |
Rendered previews of each example slide. |
Pick by what the deck is for. Click any theme for its full prompt, palette, fonts, and previews — or scan the plain index.
Themes that help you raise money. Dark backgrounds, big numbers, and layouts that put your traction front and center.
 Aurora Gradient pitch deck for SaaS Bold · Tech |
 Demo Day Three minutes, one idea per slide Bold · Minimal |
 Hearth Warm, story-led brand pitch Warm · Minimal |
 Holo Iridescent, but disciplined Playful · Calm |
 Midnight Pitch Make investors lean in Dark · Bold |
 Monolith Expensive silence Minimal · Dark |
 Runway Clean, light investor pitch deck Minimal · Corporate |
 Spark Bold pink pitch for consumer apps Bold · Playful |
 Term Sheet The institutional VC framework deck Corporate · Minimal |
 Traction Let the numbers pitch Minimal · Tech |
Clean themes for quarterly reviews, strategy decks and operating plans. No clutter, just slides that hold up in a boardroom.
 Atlas The dependable one Corporate · Minimal |
 Benchmark Us versus the field Corporate · Minimal |
 Boardroom The slide is the argument Corporate · Minimal |
 Chevron Four phases, one direction Corporate · Bold |
 Harvey Maturity in quarter turns Corporate · Minimal |
 Memo Per my last memo Minimal · Corporate |
 Metro Mind the gap analysis Playful · Minimal |
 Operator Status, not stories Corporate · Tech |
 Whiteboard Fresh from the workshop Playful · Warm |
Themes with personality for campaign plans, brand decks and creative reviews.
 Billboard One color, one line Bold · Playful |
 Memphis Serious work, unserious style Playful · Bold |
 Outrun Straight out of 1986 Playful · Dark |
 Polaroid Pinned to the wall Warm · Playful |
Modern themes for product roadmaps, feature launches and engineering reviews.
 Arcade Insert coin Playful · Dark |
 Circuit Follow the traces Tech · Dark |
 Drafting Room Measure twice, present once Tech · Minimal |
 Mainframe Straight from the machine room Tech · Dark |
 Telemetry Your deck as a dashboard Tech · Dark |
 Wireframe Shipped before the visual design Minimal · Tech |
Typography-led themes for portfolios, studios and personal work.
 Basel Loud type, nothing else Bold · Minimal |
 Cinema Quiet on set Elegant · Dark |
 Collage Scissors first, layout second Playful · Warm |
 Manuscript Slides before print Elegant · Warm |
 Marquee Make it an occasion Elegant · Dark |
 Origami Folded, not decorated Minimal · Calm |
Easy-to-read themes for lectures, research and reports. Built so people can actually follow along.
 Atrium Calm, like a courtyard Calm · Warm |
 Chalkboard Drawn up at halftime Playful · Dark |
 Expedition Here be agenda items Warm · Elegant |
 Field Notes Taped to the folder Warm · Minimal |
 Herbarium Pressed, labeled, filed Calm · Elegant |
 Level Up Earn the XP Playful · Tech |
 Notebook Margins included Playful · Warm |
 Observatory Data as constellations Calm · Dark |
 Quiz Night Training, but with buzzers Playful · Bold |
 Seminar Beamer, but nicer Minimal · Corporate |
 Syllabus The outline is the design Calm · Playful |
 Trailhead Learning, one mile at a time Warm · Calm |
 Varsity Wear the colors Bold · Warm |
Understated themes for fund updates, board reports and advisory work.
 BCG Style Strategy lives in a 2x2 Corporate · Bold |
 Broadsheet Read all about it Elegant · Corporate |
 Deloitte Style Black, white and one green dot Corporate · Bold |
 Ledger Every number reconciled Elegant · Calm |
 Letterhead Engraved, not printed Elegant · Minimal |
 McKinsey Style Answer first, always Corporate · Minimal |
 PwC Style Serif headlines, five warm colors Corporate · Warm |
 Ticker Amber on black Tech · Dark |
Themes sit on two axes. Categories say what a deck is for: pitch, business, marketing, tech, creative, education, finance. Styles say what it looks like: minimal, bold, elegant, playful, corporate, calm, warm, dark, tech. A theme can carry more than one style.
A theme is a folder with a prompt, a short page, and slide previews, so new themes and fixes are easy to send. See CONTRIBUTING.md for the format and the quality bar.
MIT. Use the prompts and previews for anything, commercial work included. Credit to SlideSpeak is optional but welcome.
The consulting-style themes (McKinsey Style, BCG Style, Deloitte Style, PwC Style) are unofficial homages built from publicly documented deck conventions. They are not affiliated with, endorsed by, or produced by those firms, and claim no rights to their trademarks.
SlideSpeak turns a prompt, document, or topic into a finished, on-brand deck and exports to PowerPoint and Google Slides. This collection is the open-source companion to our Slide Design Prompts gallery.