Your entire internet,
beautifully organized.
URLinks combines high-speed visual link matrices with 100% free interactive STEM calculators and 28+ peer-reviewed mathematics study guides for students, educators, and visual thinkers.
Figma Studio
Design systems, prototypes, and team vectors.
CREATIVEChatGPT AI
ASSISTANTGmail
Spotify
MUSIC
GitHub
CODE
Notion
DOCS
FROM THE URLINKS COMMUNITY
Explore spaces worth
stepping into.
Discover public mixes curated by educators, gamers, developers, and visual thinkers worldwide. Save an idea, copy a link, or clone a mix into your own account.
100% FREE CLIENT-SIDE UTILITIES
Interactive Math Tools & Real-Time Calculators
Zero account required. Zero ads obstructing your calculations. Practice mental speed, solve complex fractions, and visualize geometry models instantly in your browser.
Fraction Calculator
Solve addition, subtraction, multiplication, and division with visual Butterfly and Keep-Change-Flip breakdowns.
Mental Math Trainer
Gamified arithmetic speed sprints. Practice addition, times tables, and fast division with live accuracy tracking.
Geometry Visualizer
Calculate area, perimeter, surface, and volume for triangles, circles, cylinders, spheres, and prisms.
Percentage & Discounts
Quickly calculate shopping markdowns, sales taxes, restaurant tips, and percentage changes in real-time.
24-Game Solver
Enter any 4 numbers to automatically generate all valid math solutions totaling 24 using order of operations.
POWERFUL & INTUITIVE
Why visual thinkers love URLinks
Designed from the ground up for speed, visual clarity, and seamless organization.
Free Drag-and-Drop Matrix
Place tiles into any slot coordinate across your board. Drop into sparse positions with frosted glass placeholders, swap boxes effortlessly, and customize your layout with zero rigid constraints.
Multi-Size Tiles & Widgets
Break free of 1×1 limits. Use 2×1 wide banners for live clocks, 2×2 showcase cards for hero apps, and compact 1×1 shortcuts.
1-Click Publish & Privacy
Keep your mixes completely private, or switch to public with a single click to share instant vanity links and embed codes.
Immersive HD Wallpapers & Aesthetics
Personalize your workspace with stunning curated visual themes: Nature Forest, Cyberpunk City, Golden Desert, Zen Slate, and Aurora Mesh.
CURRICULUM ALIGNED & CLASSROOM TESTED
Featured Mathematics & Learning Guides
Explore in-depth, classroom-tested guides authored by curriculum specialists. Designed with visual models, real-world examples, and step-by-step problem-solving.
Visualizing Fractions: The Ultimate Pizza Slice and Bar Model Guide
Master numerator and denominator concepts using intuitive visual food models, chocolate bars, and interactive number line partitioning.
Why Multiplying Fractions Makes Numbers Smaller: The Visual Explanation
Replace the confusing word "times" with "OF" and discover how 2D area modeling eliminates the classic elementary math paradox.
Multiply Any Two-Digit Number by 11 in Seconds: Mental Math Secret
Unlock lightning-fast mental arithmetic tricks for standardized testing and daily calculations without scratch paper or calculators.
The Butterfly Method for Adding and Subtracting Fractions: A Visual Guide
A visual criss-cross technique that eliminates common denominator confusion while building genuine algebraic foundations.
Real-World Applications of the Pythagorean Theorem: Beyond the Classroom
From construction ladders and roofing rafters to smartphone GPS satellite trilateration, see how a² + b² = c² guides modern engineering.
The Fibonacci Sequence in Nature: Sunflowers, Pinecones, and Golden Spirals
Discover nature's geometric blueprint. Explore mathematical spirals in botany, shell structures, and planetary orbital resonance.
Sarah Jenkins, M.Ed.
LEAD AUTHOR & CURRICULUM SPECIALISTMaster of Education in Curriculum & Instruction from the University of Washington. 14+ years K-12 STEM teaching experience specializing in visual representation, conceptual scaffolding, and student engagement.
Dr. Marcus Vance, Ph.D.
ACADEMIC REVIEWER & MATHEMATICAL ADVISORPh.D. in Applied Mathematics from UC Berkeley with 18 peer-reviewed publications. Rigorously audits calculator engines, mathematical formulas, and geometric theorems for 100% academic precision.
📖 Have feedback or curriculum questions? Our educators review teacher inquiries daily at [email protected].
Read Our Peer-Review Charter & Correction Policy →HAVE QUESTIONS?
Frequently Asked Questions
Everything you need to know about URLinks, our visual matrices, and our free educational tools.
What is URLinks and how does it work?
URLinks is an online visual workspace and educational resource hub. It allows students, educators, and professionals to build organized, visual matrices of their essential web links, study guides, and digital tools—accessible from any browser.
Are the math calculators and educational guides free?
Yes, 100% free with no account or subscription required. Our interactive tools (such as the Visual Geometry Calculator, Mental Math Speed Trainer, and Fraction Calculator) and our 28 peer-reviewed math guides are accessible to students and teachers worldwide.
Who authors and reviews the educational content?
Our educational articles and pedagogical tools are authored by Sarah Jenkins, M.Ed., a senior curriculum specialist with over 14 years in K-12 STEM education, and rigorously reviewed for mathematical correctness by Dr. Marcus Vance, Ph.D. in Applied Mathematics.
How do public and private mixes work?
When you create a mix on URLinks, it defaults to your private dashboard. You can choose to publish any mix to share with classmates, students, or colleagues. Public mixes feature custom URLs and structured metadata, allowing easy bookmarking and visual navigation.
How does URLinks protect student data and privacy?
URLinks is committed to student and user privacy. We do not sell user data, we require minimal information for account creation (email and password), and all educational calculators operate entirely clientside in your browser without tracking sensitive calculation data.
Explore Our Educational Hub
Dive into our 28 peer-reviewed mathematics guides or practice mental math with our live speed trainers and visual calculators.
MAKE ROOM FOR WHAT MATTERS
Everything, exactly
where it belongs.
Join educators, students, gamers, and creators building their calm, visual corner of the web.