FOR PEOPLE WHO LEARN ON YOUTUBE

Remember what YouTube taught you.

Paste one useful video. Grey builds the real memory first—then you decide whether it is worth keeping.Start with one useful video. Grey turns it into a private memory you can return to later.

One memory, no accountPrivate 24-hour previewNo card
Free early accessPrivate by defaultNo card
TRY ONE MEMORY · NO ACCOUNT

See the result before you sign in.

Paste one useful YouTube video. Grey will find the key ideas and exact moments for you.

No accountPrivate previewAvailable only in this tab for up to 24 hours

START WITH ONE USEFUL VIDEO

Create your first private memory.

Sign in securely, paste the link, and Grey will guide you through the result.

FICTIONAL EXAMPLE · NO ACCOUNTThis is what Grey gives back
I REMEMBER…

Where did they explain why I forget good ideas?

Fictional educational podcast about memory18:42

GREY FOUND THE SOURCE

Why Your Brain Forgets Good Ideas

“Memory improves when we connect an idea to where we heard it and why it mattered.”

Grey found the explanation about reconnecting an idea to its source.

Try another memory:

BUILT FOR SELF-DIRECTED LEARNING

Not every video.
Only the ones that teach you something.

When YouTube is your classroom, Grey turns the videos you choose into a private learning library—ready when you need an idea you only half remember.

01

KEEP THE LESSON

Learn from any useful format

Tutorials, lectures, interviews, video essays, language lessons, and practical walkthroughs all belong on the same shelf.
02

SEARCH NATURALLY

Find it the way you remember it

Search with an idea, skill, quote, person, or half-remembered detail. Grey searches titles, summaries, transcripts, and exact moments for the best match.
03

RETURN TO THE SOURCE

Return to the exact moment

Every useful result keeps the original words and timestamp attached, so you can verify it without rewatching everything.

You do not need to organize every video. Save only the ones that teach you something you want to use again.

HOW GREY WORKS

Three steps from watching
to finding it again.

Build a private learning library from the YouTube videos you learn from. It grows only from the sources you choose and the moments you decide matter.

01SAVE

Choose a video worth learning from

Paste a course lesson, tutorial, lecture, explainer, interview, or deep dive you expect to use again.

02ORGANIZE

Keep what you learned and its source

Grey keeps the source, transcript, summary, key ideas, and exact moments. Add your own highlights when an idea matters to you.

03FIND

Find it when you need it

Ask in your own words—an idea, skill, quote, or half-remembered detail. Grey brings back the source and the best matching moment.

PRIVATE BY DEFAULT

Your library is yours.

Export or delete it anytime.

Read the privacy promise ↗

YOUR LEARNING TRAIL, YOUR CHOICE

Recover the lessons hiding in your YouTube history.

Use a Google Takeout export to review what you watched. Grey reads the file inside your browser and lets you choose only the videos that taught you something. Your raw history and everything you skip stay on this device.

01
EXPORT

Download your watch history

Google Takeout gives you a JSON or HTML file.

02
REVIEW LOCALLY

Choose the videos you learned from

Grey reads the file in your browser. Nothing is added automatically.

03
SAVE SELECTIVELY

Keep only what matters

Only videos you choose become memories in Grey.

Your unselected history never leaves this device.

FREE EARLY ACCESS

Free while Grey grows.

Use every current Grey feature at no cost while we learn what genuinely helps self-directed learners. No card, no ads, and no trial countdown.

✓ Save videos you learn from✓ Search in English and Spanish✓ Private by default✓ Export or delete anytime

Current access: free and open. No invitation is required.

Start your learning library ↗

START WITH ONE THING YOU’RE LEARNING

Learn it on YouTube.
Find it in Grey.

Save your first video ↗