All Online Utility Tools
Browse our full suite of 35 free web utilities across 5 categories. Every tool runs completely client-side for immediate speed and total data privacy.
Calculators
Financial, mathematical, health, and date calculators for fast and accurate everyday calculations.
Percentage Calculator
Calculate percentages of numbers, percentage increases and decreases, and proportion values instantly.
Age Calculator
Calculate your exact chronological age in years, months, days, weeks, and hours from your date of birth.
Discount Calculator
Calculate sales price, savings, multi-tier coupon discounts, and applicable sales tax on any item.
Tip Calculator
Calculate gratuity, split restaurant bills between friends, and view exact per-person totals.
Date Difference Calculator
Calculate the exact number of calendar days, business days, and weekends between two dates.
Loan & EMI Calculator
Calculate monthly EMI, total interest payable, and overall loan repayment schedules for home, car, or personal loans.
BMI Calculator
Calculate your Body Mass Index (BMI) and check your official World Health Organization weight classification.
Compound Interest Calculator
Calculate investment growth, compound interest yields, and future balance with flexible compounding intervals.
Converters
Instant unit converters for metric, imperial, temperature, time, speed, volume, and data storage.
Length Converter
Convert units of distance and length between meters, kilometers, feet, inches, miles, and yards.
Weight Converter
Convert weight and mass between kilograms, grams, pounds, ounces, metric tons, and stone.
Temperature Converter
Convert temperatures between Celsius (°C), Fahrenheit (°F), Kelvin (K), and Rankine (°R).
Area Converter
Convert land and surface areas between square meters, square feet, acres, hectares, and square kilometers.
Volume Converter
Convert liquid and dry volume between liters, milliliters, gallons, quarts, cups, and fluid ounces.
Speed Converter
Convert speed and velocity between km/h, mph, m/s, knots, and feet per second.
Time Converter
Convert time durations between seconds, minutes, hours, days, weeks, months, and years.
Data Storage Converter
Convert digital storage between Bits, Bytes, KB, MB, GB, TB, and PB in both Binary (1024) and Decimal (1000) standards.
Text Tools
Word counters, text formatting, line sorters, deduplicators, and slug generators for writers and editors.
Word Counter
Count words, characters, sentences, paragraphs, and estimate reading and speaking time in real time.
Character Counter
Detailed character breakdown counting letters, vowels, consonants, digits, whitespace, and punctuation marks.
Case Converter
Convert text instantly between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, kebab-case, and snake_case.
Remove Duplicate Lines
Deduplicate lists and text files instantly with options for case sensitivity, whitespace trimming, and preserving order.
Text Sorter
Sort lines alphabetically (A-Z, Z-A), numerically, by line length, or in reverse order.
Text Reverser
Reverse entire text strings, reverse word order, reverse individual words, or reverse line sequence.
Line Counter
Count total lines, non-empty lines, blank lines, and examine average and maximum line lengths.
Slug Generator
Generate clean, URL-friendly slugs from article titles and headlines with custom separators.
Developer Tools
Private, browser-side JSON formatters, Base64 converters, URL encoders, UUID generators, and hash tools.
JSON Formatter & Validator
Format, validate, beautify, and minify JSON data with exact syntax error line and column detection.
Base64 Encoder & Decoder
Encode text to Base64 and decode Base64 strings back to UTF-8 text with URL-safe support.
URL Encoder & Decoder
Encode and decode URLs and query parameters using standard percent-encoding.
UUID Generator
Generate cryptographically secure RFC 4122 Version 4 UUIDs individually or in bulk.
Unix Timestamp Converter
Convert Unix epoch timestamps (seconds & milliseconds) to human-readable dates and vice-versa.
Hash Generator
Generate cryptographic hashes (SHA-256, SHA-384, SHA-512, SHA-1, and MD5) entirely in your browser.
Everyday Tools
QR code generators, secure password creators, randomizers, stopwatches, and countdown timers.
QR Code Generator
Generate custom, high-resolution QR codes for URLs, text, WiFi, and contact cards without server tracking.
Password Generator
Generate strong, random, and cryptographically secure passwords with entropy and strength indicators.
Random Number Generator
Generate true random integers within custom ranges with options for duplicates and sorting.
Online Stopwatch
Millisecond-precision online stopwatch with start, pause, reset, and lap split tracking.
Countdown Timer
Online countdown timer with audible completion alert, customizable hours, minutes, and seconds.