Hopper Labs · Tools and learning
Try a tool.
Learn something.
Browser tools, private questionnaires, and personal tutoring. Start with something you can use, then explore the software we’re building.
Inside our product previews
Essay Practice
Workbook Studio 
Product previews. Each page explains what you can try and what is still planned.Start here.
Three places to explore, with a clear next step.
Lab
Check a suspicious link, inspect a photo’s privacy, or explore how your browser works. Inputs stay in your browser.
Choose a lab →Private questionnairesPersonality
Explore six ways to reflect on your personality and relationships. Your answers and results stay on your device.
Choose a questionnaire →Tutoring informationTutoring
Explore private tutoring with Eric, find your subject, and learn about the approach before getting in touch.
Explore tutoring →Try our software previews.
Browser demos and downloads, with their current limits explained.
AI Capacity
See which supported AI accounts have room left, when their limits reset, and where your tokens went—all in one compact view.
Explore the product →
Calculator
Work through a financial calculation, graph an expression, or practice a familiar calculator model with guided key-by-key lessons.
Explore the product →
Brand Icon Lookup
Turn a domain into a compact website icon. Start with the bundled cache, discover more through the lookup service, and put the result to work in your app.
Explore the product →The idea behind the lab
Good pieces.
More possibilities.
A logo service makes an inbox easier to scan. Usage records become more useful when you can trace them to a project. Explore small, useful apps and the connections that help you do more with them.
Explore connected examples →Inside Essay Practice
Explore Brand Icon + Mail and the connected AI-work examples in Demos.
What’s taking shape.
Future courses, publications, shopping, and membership are still planned.
A coming-soon page is a plan, not an open service. Recorded demos show saved examples; they do not promise live execution. Each destination says what is available.
Independent brands and publications have a place here, too. Explore our sites →
A little more of the thinking.
From the workshop and the research shelf.
Build it. Use it. Learn from it.
Follow the tools, methods, and lessons from using what we build to build and run our businesses.
Meet Project Dogfood →ResearchIdeas you can get your hands on.
Explore the thinking behind papers and systems through explanations, examples, and interactive labs.
Explore the research →There’s a place for you here.
Build something
Find tools, code, and practical references for your next project.
Developer resources →Work with your agent
Discover Hopper and find the guides for working together in supported applications.
For Agents →Help it grow
Explore ways to contribute to the tools and ideas we share.
Support the Work →