We’re sharing the best free AI tools to help with brainstorming, refining and polishing your presentation’s content–all without hitting that dreaded paywall. We know that great presentations are more than just great visuals. The content–the words on the slides and the way the story is being told–can make or break your audience’s key takeaways. But let’s be honest, writing content is hard. Whether you’re staring at a blank slide or trying to refine your key messaging, the process is often time-consuming and frustrating.
Thankfully, AI can help. But with so many AI tools out there (many of them behind paywalls), finding ones that are useful can seem even more time-consuming and frustrating than grinding through it on your own. How do you know which AI tools will actually be useful for crafting your presentation content? We’ve done the research for you. Below, we’re sharing the our favorites.
Best Free AI Tools for Presentation Content At-A-Glance
1. ChatGPT (Free Version – GPT-3.5)
What it does: Generates ideas, outlines, and content for slides.
Best for: Overcoming writer’s block and structuring presentations.
How to use it: Prompt it with, “Give me three key points for a presentation on [topic]” or “Rewrite this slide in a more engaging way.” The more specific a prompt you give it, the better your results will be.
2. Tome (Freemium)
What it does: AI-powered storytelling and slide structure assistance.
Best for: Structuring narratives and auto-generating slide content.
Free tier: Limited AI-generated slides per month.
3. Grammarly (Freemium)
What it does: Checks grammar, spelling, and clarity.
Best for: Polishing slide text and avoiding mistakes.
Free tier: Basic corrections (no advanced suggestions).
4. Wordtune (Freemium)
What it does: Rewrites and adjusts messaging tone.
Best for: Making slide content clearer and more persuasive.
Free tier: 10 rewrites per day.
5. Perplexity AI (Freemium)
What it does: Summarizes online research and answers complex questions.
Best for: Quickly gathering facts and supporting data.
Free tier: Unlimited basic search queries.
6. Elicit (Freemium)
What it does: Uses AI to extract insights from academic papers.
Best for: Research-heavy presentations and summarizing key findings.
Free tier: Basic access to research summarization.
7. Yoodli (Freemium)
What it does: Provides speech and delivery coaching.
Best for: Practicing presentation delivery and improving confidence.
Free tier: Basic speech analysis with AI-generated feedback.
How to Choose the Right AI Tool for Your Presentation
For brainstorming and structuring:
- ChatGPT
- Tome
For refining language:
- Grammarly
- Wordtune
For research:
- Perplexity AI
- Elicit
For delivery and confidence:
- Yoodli
Final Thoughts on Free AI Tools for Presentations
AI tools can take some of the stress out of content creation, but they don’t replace human creativity and strategy. If you’re looking to take your presentation from “good” to “unforgettable,” that’s where we come in. At Ethos3, we help craft compelling narratives that engage and inspire audiences. Whether you need expert storytelling, refined messaging, or stunning design, we’re here to help. Ready to take your presentation to the next level? Let’s create somethinggreat together.
