Most Popular Tools
Used daily by thousands of engineers, students, and professionals.
Browser-Based Tools for Daily Work
Explore fast online tools for counting, timing, writing, formatting, and developer workflows. These internal links help surface some of the most useful utility pages across PanaKit.
Click Counter Online
Counters & TimersManual tally counter and CPS test for fast click tracking.
Open tool →Online Stopwatch
Counters & TimersFree stopwatch timer with lap tracking for practice and workouts.
Open tool →Online Text & Word Counter
Productivity & TextCount words, characters, reading time, and keyword usage instantly.
Open tool →Case Converter
Productivity & TextConvert text to uppercase, lowercase, title case, and more.
Open tool →JSON Formatter
Developer ToolsFormat and validate JSON in the browser with clean output.
Open tool →Base64 Encode/Decode
Developer ToolsQuick base64 conversions for text workflows and development.
Open tool →Built for Every Discipline
Calculators
From Ohm's Law to BMI, mortgage to trigonometry — 130+ precision calculators for every discipline.
Converters
Instant unit conversions across weight, length, power, temperature, number systems, and more.
Reference Tables
Lookup charts and reference guides for wire gauges, constants, sizing charts, code tables, and technical data.
Online Tools
Developer utilities, text transformers, encoders, formatters, and security tools.
The Last Toolkit You’ll Bookmark
We built what we wished existed — a single destination for every calculation, conversion, and reference you need.
Zero Ads. Zero Distractions.
No pop-ups, no banners, no cookie walls. Just the tool you need, instantly.
Precision You Can Trust
Built with high-precision math libraries. Every formula is verified, every edge case handled.
Instant Results
Real-time calculations as you type. No submit buttons, no loading screens, no waiting.
Works Everywhere
Fully responsive. Runs perfectly on phones, tablets, laptops — no app install needed.
No Sign-Up Required
Open the page and start using. No accounts, no emails, no passwords. Ever.
Always Growing
New tools added regularly. Calculators, converters, reference tables, dev tools — the list never stops.
Whatever You Do, PanaKit Has Your Tool
From electrical engineering to personal health, homework to professional work.
Three Steps. That’s It.
Pick Your Tool
Browse categories or search by name. 380+ tools organized across 20+ categories.
Enter Your Values
Type your numbers in. Results calculate instantly as you type — no buttons to click.
Get Your Answer
Precise, formatted results with step-by-step breakdowns where applicable. Copy and go.
Stop Googling Calculators.
Start Using PanaKit.
Bookmark one site. Get every tool. Free forever, no strings attached.