Free tools for
whatever you need.
No signups, no paywalls, and no server uploads. Fast browser-first tools for students, developers, marketers, and professionals.
Popular Tools
Percentage Calculator
Calculate percentage of a number, percentage change, and relative percentage values.
Age Calculator
Calculate exact age in years, months, days, hours, and minutes with next birthday countdown.
Discount Calculator
Calculate sale prices, total dollar savings, and additional stacked discounts.
BMI Calculator
Calculate Body Mass Index (BMI) for adults using Metric or US Imperial measurements.
Mortgage Calculator
Calculate monthly mortgage payments, total interest, and complete amortization schedule.
EMI Calculator
Calculate Equated Monthly Installment (EMI) for personal, car, and home loans.
Compound Interest Calculator
Calculate compound growth over time with customizable compounding frequencies and regular deposits.
Merge PDF
Combine multiple PDF files into a single organized document right in your browser.
Explore by Category
Organized directories covering math, finance, documents, images, web, and software engineering.
Calculators
16 toolsFast, accurate mathematical and everyday calculators
Finance Tools
16 toolsSmart mortgage, loan, investment, and interest calculators
PDF Tools
10 toolsMerge, split, rotate, and manage PDF documents locally
Image Tools
14 toolsCompress, resize, crop, and convert images right in your browser
QR Tools
9 toolsCustom QR code generator and instant webcam/file scanner
Converters
12 toolsComprehensive unit, currency, number, and format converters
Text Tools
10 toolsWord counter, case converter, line deduplicator, and text cleaner
Developer Tools
14 toolsJSON formatter, Base64, Web Crypto hashes, JWT decoder & utilities
SEO Tools
7 toolsMeta tag generator, Google SERP preview, robots.txt & UTM builder
Date & Time Tools
6 toolsAge calculator, date difference, working days & timezone converter
Security & Privacy Tools
4 toolsStrong password generator, entropy analyzer, and UUID v4 tools
Generators
3 toolsLorem ipsum, CSS gradients, color palettes, and random text
Games & Entertainment
6 toolsInteractive party games, Tambola / Housie board, and dice
Built for Speed, Engineered for Privacy.
Traditional web utilities upload your personal documents and numbers to unknown cloud servers, track you across tabs, and bombard you with popups. ToolPilot takes the opposite approach:
Client-First Privacy
Your files and confidential numbers stay in your browser memory. We never store or transmit your documents.
Zero Lag Speed
Calculations and conversions run at local CPU speed with instantaneous results and zero upload waiting times.
Mobile-First UX
Every tool is optimized for thumbs on touchscreens as smoothly as for ultra-wide desktop monitors.
Guides & Use Cases
Step-by-step instructions and industry workflows.
How to Calculate Percentage Increase & Decrease
Master the universal percentage change formula with real-world financial, salary, and retail examples.
Use CaseEssential Free Online Tools for Students
GPA calculators, word counters, essay reading timers, fraction converters, and citation tools.
Use CaseDaily Utilities for Software Developers
JSON formatters, Base64 converters, JWT claim inspectors, Web Crypto hashes, and cron builders.
Frequently Asked Questions
Everything you need to know about ToolPilot.
Is ToolPilot truly 100% free to use?
Yes. Every tool on ToolPilot is completely free with no usage caps, no subscription tiers, and no mandatory account sign-up.
Are my documents, images, and numbers private?
Yes. ToolPilot is built browser-first. Your PDFs, photos, numbers, and code are processed directly inside your device memory via standard Web APIs (Canvas, Web Crypto, Web Workers) and are never uploaded to any external server.
Can I use ToolPilot offline on mobile?
Yes. ToolPilot is designed as a progressive web application. Once loaded, client-side tools work reliably even with intermittent or zero internet connectivity.