TinkerHub
Precision online tools and brain training for the modern web
Fast. Secure. Privacy-Focused.
Lightning performance: All tools load in <1 second ⚡
Train your brain
Most popular brain games
What Can I Do Here?
Discover powerful tools for everyday tasks
All Tools
19 tools found
Random Number
Generate random numbers in any range
Pick random numbers for lotteries
Coin Flip
Flip a coin for quick decisions
Make quick decisions between two options
Dice Roller
Roll D4, D6, D8, D12, D20, D100
Roll dice for board games
Spin the Wheel
Customize your wheel and spin
Make random decisions
Password Generator
Create strong, secure passwords
Create secure passwords for new accounts
QR Code Generator
Generate QR codes for any text
Create QR codes for URLs
Username Generator
Generate creative usernames
Create unique usernames for games
Case Converter
Convert text case (upper, lower, title, etc)
Convert code variable names
BMI Calculator
Calculate your BMI
Calculate your Body Mass Index
Percentage Calculator
Solve percentage problems
Calculate discounts and sales
Pomodoro Timer
Boost productivity with pomodoro
Focus on work tasks
2048
Slide tiles to reach 2048
Play the classic puzzle game
Reaction Test
Test your reaction speed
Test your reaction speed
Typing Test
Check your typing speed & accuracy
Test your typing speed
Memory Game
Test your memory skills
Test your memory skills
Secret Santa
Organize Secret Santa gift exchanges
Organize office Secret Santa exchanges
Holiday Countdown
Countdown to Christmas and New Year
Countdown to Christmas
Wishing Card Generator
Create beautiful, personalized wishing cards
Create birthday wishing cards
Eid Card Generator
Create personalized Eid & Ramazan Mubarak cards
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Go Premium
Experience TinkerHub without limits. Unlock professional features designed for power users.
No Ads
Focus without distractions. Clean, ad-free experience across all tools and games.
Advanced Stats
Deeper insights: trends, comparisons, and export for your sessions.
Historical Tracking
Your history saved across devices. Revisit past results anytime.
Custom Themes
Personalize colors and appearance to match your style.
Our Vision for Online Utilities
TinkerHub was built to solve the bloat of modern tool sites. We believe in speed, privacy, and exceptional design.
Velocity as a Feature
Most tool sites are bloated with tracking scripts and heavy frameworks. At TinkerHub, we use edge-rendering and pure TypeScript to achieve sub-second load times globally. Speed is accessibility.
Privacy-First Architecture
We operate on a Client-Side Only mandate. Your data never leaves your browser. Whether generating passwords or calculating metrics, our "processing at the edge" approach ensures absolute safety.
The Science of Brain Training
Neuroplasticity
Games like 2048 and Memory Match are designed to challenge spatial reasoning and stimulate neural growth through pattern recognition.
Reaction Speed
Rapid stimulus-response processing is a key indicator of cognitive health, helping you stay sharp in daily decision-making.
Focus Endurance
Training with typing tests and focus tools helps build "Deep Work" stamina, vital for productivity in a distracting world.
More about our mission
TinkerHub is more than just a list of calculators. It's a digital workshop where functionality meets beauty. Every component is crafted with meticulous focus on UX, using modern palettes and smooth transitions to make productivity feel less like a chore.
The utility of a tool is doubled when it's delightful to use. That's why we've implemented features like Offline Support. Through Service Workers and PWA technology, most of TinkerHub's 30+ tools work perfectly without an internet connection, ensuring your toolkit is always available mid-flight or in remote areas.
For the developers and power users, we've ensured our tools are API-compatible. The way we handle randomness—using cryptographically secure random number generators (CSPRNG)—matches the standards found in professional cryptography libraries. We believe even "small" tools deserve "big" engineering.
Beyond simple utilities, we utilize browser Web APIs and WebAssembly to perform complex computations locally. This architecture doesn't just protect your privacy; it enhances security by removing the transport layer where data could be intercepted.
Velocity isn't just about impatience; it's about accessibility. Users on slow connections or older mobile devices shouldn't be barred from using essential tools. By optimizing our bundle sizes and eliminating external dependencies, we ensure lightning performance globally.
Finally, we are committed to constant evolution. TinkerHub is a living library, refined by user feedback to expand our collection of randomizers, developers tools, and brain games. Welcome to a hub built for the future of the web.
Why Choose TinkerHub?
Built for speed, simplicity, and modern web standards
Lightning Fast
All tools load in under 1 second with optimized performance
Mobile Ready
Responsive design that works perfectly on all devices
Modern Design
Beautiful, intuitive interface optimized for all screen sizes