Everyday Web Utilities
Cryptographic hash calculators, QR code makers, barcode generators, and unit converters.
QR Code Generator
Generate custom QR codes for URLs, WiFi, vCards, Text, Email, and SMS with PNG/SVG export.
Barcode Generator
Generate standard barcodes (CODE128, EAN-13, UPC-A, CODE39, ITF-14) in SVG and PNG.
Secure Password Generator
Generate cryptographically secure random passwords and passphrases with entropy meters.
Multi-Unit Converter
Convert units of Length, Weight, Temperature, Area, Volume, Speed, Time, and Digital Storage.
Age & Date Calculator
Calculate exact age in years, months, days, hours, date differences, and birthday countdowns.
Color Picker & Palette Converter
Convert between HEX, RGB, HSL, HSV, CMYK, inspect WCAG contrast ratios, and generate palettes.
URL Encoder & Decoder
Encode and decode URLs and query parameters according to RFC 3986 standards.
Base64 Text Encoder & Decoder
Encode and decode plain text and unicode strings to and from Base64 format.
Hash Generator
Generate cryptographic checksum hashes (MD5, SHA-1, SHA-256, SHA-384, SHA-512) for text and files.
Unix Timestamp & Date Converter
Convert Unix epoch timestamps (seconds/ms) to human-readable UTC/Local dates and vice versa.
Regex Tester & Debugger
Test regular expressions live against sample text with match highlighting, capture groups, and a cheat sheet.
Lorem Ipsum Generator
Generate classic Lorem Ipsum placeholder text by paragraphs, sentences, words, or list items — with HTML wrapping options.
UUID / GUID Generator
Generate cryptographically random v4 UUIDs in bulk with uppercase, braces, and hyphen formatting options.
BMI Calculator
Calculate your Body Mass Index instantly in metric or imperial units, with WHO category context and a healthy-range indicator.
Percentage Calculator
Solve every common percentage problem: X% of Y, X is what percent of Y, and percentage increase/decrease.
Loan / EMI Calculator
Estimate monthly loan payments (EMI), total interest, and full amortization schedules for any loan — illustrative math only.
Online Calculator (Basic & Scientific)
A full basic and scientific calculator in your browser: trig, logs, powers, roots, constants, and keyboard support.