Tools that just work.
Converters, encoders, calculators and developer utilities. Everything runs locally in your browser — your data never leaves your device.
Popular
QR Code GeneratorCreate QR codes for links, text, Wi-Fi access, contacts (vCard) and emails. Custom colors, download as PNG or SVG — free, no sign-up, no tracking.Password GeneratorCreate strong random passwords and memorable passphrases with a strength meter. Generated locally with your browser’s secure random generator.Percentage & VAT CalculatorCalculate percentages, percentage change, increases and discounts, and convert between net and gross prices including VAT.Image Converter & CompressorConvert images between PNG, JPG, WebP and AVIF, compress them and resize them — in bulk, right in your browser. Your photos are never uploaded.What Is My IP?Shows your public IP address (IPv4 or IPv6), your internet provider and the approximate location derived from it — plus what your browser reveals about you.Unit ConverterConvert length, weight, temperature, volume, area, speed, time, data size, pressure and energy units — all results at a glance.Word & Character CounterCount words, characters, sentences and paragraphs with reading time — and transform text: change case, sort lines, remove duplicates and more.Online Timer & StopwatchCountdown timer with alarm sound and presets (incl. Pomodoro) and a stopwatch with lap times — runs in your browser, also in the background.
All categories
Converters
Units, currencies, time and more.
Calculators
Percentages, VAT, interest, dates and timers.
Generators
QR codes for links, Wi-Fi, contacts and more.
Text
Count, transform and compare text.
Images & Media
Convert and compress images right in your browser.
Design
Colors, contrast and other design helpers.
Developer
Formatters, testers and helpers for everyday coding.
Encoding
Base64, hex, URL encoding and text representations.
Network
IP addressing, subnets and network calculations.
Security
Hashes, checksums and cryptographic helpers.