7 Secret AI Websites That Feel Illegal to Know (Better Than ChatGPT?)

 We all know ChatGPT and Midjourney.

But the real "power users" in 2025 aren't just using the famous tools. They are using hidden gems—secret AI websites that solve specific problems so fast, it almost feels like cheating.

I found 7 underrated AI tools that are free (or have great free plans) that will save you 10+ hours this week.

Disclosure: This post contains affiliate links.

1. Google NotebookLM (The Viral Podcast Maker)

This is the tool everyone is talking about right now. You upload a PDF, your class notes, or a website link, and NotebookLM instantly understands it.

• The "Illegal" Feature: Click "Audio Overview," and two AI hosts (a man and a woman) will start a real podcast conversation about your file. They joke, laugh, and explain complex topics perfectly.

• Use it for: Turning boring textbooks into fun podcasts you can listen to at the gym.

• Cost: 100% Free (for now).

2. Napkin.ai (Text to Visuals)

If you write blogs or documents, you know that "walls of text" are boring. Napkin.ai fixes this instantly.

• The Magic: Paste your text, and it automatically generates professional charts, diagrams, and infographics that explain your point.

• Use it for: deeply explaining concepts in your blog posts without hiring a designer.

• Cost: Free Beta.

3. Perplexity (The Google Killer)

Stop scrolling through recipe blogs to find the instructions. Perplexity reads the internet for you and gives you the exact answer with citations.

• The Magic: It’s like ChatGPT, but it has live access to the entire web and never hallucinates facts without a source.

• Use it for: Researching assignments or finding specific facts fast.

• Cost: Free.

4. Gamma (Presentations on Autopilot)

PowerPoint is dead. With Gamma, you just type a prompt: "Make a 10-slide pitch deck about my coffee business."

• The Magic: It builds the entire slide deck, writes the text, and adds images in under 60 seconds. You just edit the details.

• Use it for: School presentations and business pitches.

• Cost: Generous free tier.

5. TinyWow (The "Fix Everything" Tool)

This isn't just AI; it’s a utility knife. TinyWow has hundreds of free tools to remove backgrounds, edit PDFs, convert files, and clean up images.

• The Magic: No sign-up required. It just works.

• Cost: 100% Free.

6. Pinokio (The AI Browser)

This one is for the tech nerds. Pinokio lets you install advanced AI models (that normally require coding) with one click.

• The Magic: Want to run a face-swapping bot or a voice cloner on your own computer? Pinokio installs it for you like a regular app.

• Cost: Free (Open Source).

7. Temp Mail (The Spam Shield)

Okay, this isn't AI, but you need it to test AI tools. Many AI sites ask for your email to give you free credits.

• The Trick: Use Temp Mail to get a disposable email address. Sign up, get your free credits, and never deal with spam.

• Cost: Free.