Utilities

19 tools

AI Chat

A private AI chatbot running entirely in your browser via WebLLM. No data ever leaves your device — the model is downloaded once and cached locally.

Barcode Generator

Generate Code 128, EAN-13, and Code 39 barcodes directly in your browser. Customize bar height, module width, and label display, then download as PNG — no libraries or uploads required.

Coin Flip

Make quick decisions with a fair, random coin toss. Animated flip with instant heads or tails results — great for settling debates or making choices.

Crypto Price Tracker

Track live cryptocurrency prices, view 7-day sparkline charts, and convert between crypto and fiat currencies. Powered by the free CoinGecko API — no API key needed.

Date & Time Calculator

Calculate the number of days between two dates, add or subtract time from a date, and find the number of business days excluding weekends. A versatile date math tool for planning and scheduling.

Dice Roller

Roll any combination of dice — D4, D6, D8, D10, D12, D20, D100. Build custom rolls like 2D6+1D20, see individual results, and re-roll instantly.

Emoji Search & Copy

Search, browse, and copy emojis instantly. Find the perfect emoji by name or keyword and copy it or its Unicode code to your clipboard with one click.

Invoice Generator

Create professional PDF invoices instantly — no signup, no watermarks. Add your details, line items, tax rates, and download a clean invoice ready to send.

Loan & Mortgage Calculator

Calculate monthly payments, total interest, and view a full amortization schedule for any loan. Supports fixed-rate mortgages, auto loans, and personal loans.

Name Shuffler

Randomize a list of names with this interactive tool. Paste your names (one per line) to generate a random, numbered order and share the list via a unique URL.

Percentage Calculator

Quickly calculate percentages with three modes: find X% of a number, determine what percentage one number is of another, or calculate the percentage change between two values. Instant results as you type.

QR Code Generator

Generate QR codes instantly from any text, URL, or contact information. Customize size and download as PNG — no account or API needed.

QR Code Scanner

Scan QR codes using your device camera or by uploading an image. Decodes the content instantly in your browser using jsQR — no server, fully private.

Random Number Generator

Generate random numbers within any range. Choose integers or decimals, ensure uniqueness, and generate multiple numbers — ideal for simulations, lotteries, and testing.

Random Password Generator

Generate secure, customizable passwords instantly. Choose length, character types, and complexity — perfect for creating strong credentials without any third-party service.

Stopwatch

A precise stopwatch with lap timing, keyboard shortcuts, and local storage persistence. Track intervals, export data, and keep your timing history across sessions.

Temperature Converter

Convert temperatures between Fahrenheit, Celsius, and Kelvin in real-time. Simple, fast, and accurate for science, cooking, or everyday conversions.

Unit Converter

Universal unit converter for length, weight, volume, temperature, data, speed, area, and time. Instant bidirectional conversion between metric and imperial units.

WiFi QR Code Generator

Generate a QR code for your WiFi network so guests can connect instantly without typing a password. Supports WPA/WPA2, WEP, and open networks. The QR code is generated entirely in the browser.