Smart Tools for Every Task

Everything a student needs to stay on top of grades, deadlines and study time — free online calculators that run right in your browser with no registration.

Run your freelance business like a pro: generate professional invoices, price your time correctly, and understand taxes and fees — all with free tools.

A growing toolbox for developers: format, validate and convert code, build regex patterns, generate UUIDs and commit messages — fast, private and free.

Understand your body and plan your fitness journey with accurate, free calculators for BMI, daily calories, TDEE, body fat and hydration.

Convert, resize, compress, crop and edit images directly in your browser. Supports PNG, JPG, JPEG, WebP, GIF, SVG, BMP and ICO.

Merge, split, compress and password-protect PDFs for free. Files are processed entirely in your browser — nothing is uploaded, and there are no limits.

Optimize content and measure campaigns with free SEO and marketing tools: keyword density, meta tags, schema, Open Graph, UTM links and ad revenue calculators.

Estimate materials accurately before any home project: how much paint, concrete, tile, brick and lumber you need, plus layout planning tools.

Create strong passwords, analyze their strength, hash and encrypt data and audit your security posture — all free and processed in your browser.

Convert between hundreds of units instantly: length, weight, temperature, currency, area, volume, speed, pressure, energy, time and digital storage.

Grade quizzes in seconds, track attendance, compute class averages and plan lessons — a free toolkit built for busy teachers.

Handle everyday accounting math — taxes, margins, discounts, invoices and unit pricing — with free calculators that work in your browser.

Estimate your FPS, find PC bottlenecks, pick streaming settings and track your win rate — free tools for gamers and streamers.

Diagnose websites and networks: check IPs, DNS records, SSL certificates, server uptime and open ports — all free, no installation.

Run statistical tests, compute probabilities and turn data into charts — free tools for analysts, marketers and students.

Count words, summarize long text, check tone and bias, and format content cleanly — free tools for writers and content creators.

Balance equations, find molar masses, calculate pH and molarity — free chemistry calculators for students and professionals.

Solve electrical, mechanical and structural problems quickly with free engineering calculators for Ohm's law, force, gearing, beams and more.

Convert currency, compare timezones and convert measurements while traveling — free tools that work on any device.

Track household costs, plan moves, and build healthier daily habits — free calculators for home and lifestyle.

Know exactly what you keep on every sale — calculate PayPal and Stripe fees, sales tax, discounts, margins and unit prices before you list.

Run your small business with confidence — invoice clients, plan budgets, manage payroll and understand taxes with free tools that work in your browser.

Build a polished resume, benchmark your salary, refine your application and stay productive during the job search — all free in your browser.

Write papers, format citations, run chemistry calculations and organize research — free academic tools that work entirely in your browser.

Convert measurements, scale recipes, and time your cooking perfectly — free kitchen tools for home cooks and bakers.

Plan for a baby, track your child's growth, and keep the whole family healthy — free tools for parents and caregivers.

Write better emails, classify text, refine prompts and analyze tone with free AI-powered tools that run in your browser.

Convert audio, turn text into speech, record your voice and visualize waveforms — free media tools in your browser.

Convert colors, generate gradients, check contrast and build accessible palettes — free design tools in your browser.

Encode and decode data, convert between number bases and transform text — free developer tools in your browser.

Format JSON, diff data, minify CSS, beautify code and build regex patterns — free developer tools in your browser.

Plan mortgages, grow investments, estimate loan payments and prepare for retirement with free calculators.

Measure your reaction time, memory, typing speed and focus with free cognitive tests in your browser.

Convert between scientific units — power, energy, frequency, voltage, current, pressure, angle and more with precision.

Create memes, generate ASCII art, explore fractals and pick random items — free creative and fun tools.

Solve equations, work with fractions and matrices, plot graphs and explore primes with free calculators.