Free Online Tools
Fast, free, no sign-up — 35 tools available
Dutch Mortgage Calculator
Step-by-step Netherlands home loan wizard: EMI, bridge loan, dual loan period & Dutch Box 1 tax refund.
Netherlands Salary Calculator
Calculate your Dutch take-home pay after income tax, national insurance, and tax credits. Supports 30% ruling for expats.
Currency Converter
Convert between 30+ world currencies using live exchange rates. Supports USD, EUR, GBP, INR, JPY, AUD, CAD, CHF and more.
EMI Calculator
Calculate equated monthly installments for any loan. See monthly EMI, total interest and full amortization schedule.
Compound Interest Calculator
See how your investment grows with compound interest. Compare annual, quarterly, monthly and daily compounding.
Percentage Calculator
Calculate percentages instantly. Find X% of Y, what percent one number is of another, or percentage change between two values.
JSON Formatter
Format, validate, and minify JSON with syntax highlighting.
Regex Tester
Test and debug regular expressions with real-time match highlighting.
Base64 Encoder
Encode and decode Base64 strings instantly.
Color Picker
Pick any color and instantly convert between HEX, RGB, HSL and CSS formats. Copy values with one click.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 cryptographic hashes from any text. Runs entirely in your browser.
Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences or words. Start with the classic Lorem ipsum opening or randomize.
Markdown Editor
Write Markdown and see the live HTML preview side by side. Copy rendered HTML with one click. No sign-up needed.
Word Counter
Count words, characters, sentences, paragraphs and estimate reading time. Instant live counting as you type.
Timer & Stopwatch
Online countdown timer and stopwatch. Set custom hours, minutes and seconds. Lap times, sound alert when done.
QR Code Generator
Generate QR codes instantly for URLs, text, email or phone numbers. Download as PNG. Free, no sign-up.
Language Translator
Translate text between 30+ languages instantly. Supports auto language detection. Free, no sign-up required.
Unit Converter
Convert between metric and imperial units for length, weight, temperature, area, volume, speed and data.
Age Calculator
Calculate your exact age in years, months, days, hours and minutes. Includes next birthday countdown.
BMI Calculator
Calculate your Body Mass Index in metric (kg/cm) or imperial (lbs/ft). Shows BMI score, health category and healthy weight range.
Calorie Calculator
Calculate your daily calorie needs (TDEE) based on age, gender, height, weight and activity level using Mifflin-St Jeor.
Date Difference Calculator
Find the exact number of days, weeks, months and years between any two dates. Also calculates working days and weekends.
Time Zone Converter
Convert time between any world time zones. See current time in New York, London, Dubai, Mumbai, Tokyo and more simultaneously.
Password Generator
Generate cryptographically secure passwords with custom length, character sets and bulk generation.
JWT Decoder
Decode and inspect any JSON Web Token instantly. See header, payload, all claims, expiry status and issued-at time in human-readable format. 100% client-side.
UUID Generator
Generate cryptographically secure UUID v4 identifiers instantly. Single or bulk generation up to 100. Copy with one click. Runs entirely in your browser.
URL Encoder / Decoder
Encode special characters for safe URL transmission or decode percent-encoded strings. Supports encodeURIComponent and encodeURI modes.
Diff Checker
Paste two texts and instantly see line-by-line differences highlighted in green and red. Uses LCS algorithm — same as git diff. No data sent to server.
Cron Expression Builder
Visually build cron schedules, generate the expression, get a plain-English description and see the next 5 run times. Includes common presets.
Invoice Generator
Create professional invoices with business details, client info, line items and tax. Download as PDF with one click. Free, no sign-up required.
Math Challenge
Test your mental arithmetic speed. 10 timed questions per round across Easy, Medium and Hard difficulty. Addition, subtraction, multiplication and division.
Tic Tac Toe
Play Tic Tac Toe against an unbeatable AI or a friend in two-player mode. Score is tracked across rounds. No sign-up needed.
Sudoku
Play Sudoku online with Easy, Medium and Hard puzzles. Includes hints, validation, keyboard support and an auto-solve button. No sign-up needed.
Memory Card Game
Flip cards to find all matching emoji pairs. Choose 4×4 or 6×6 grids. Tracks moves and time. Fun for all ages — play instantly with no sign-up.
Quick Task Board
Paste a bullet list and instantly get a shareable Kanban board. Move tasks between Todo, In Progress and Done. Share via link — no sign-up needed.
SIP Calculator
Plan your Systematic Investment Plan returns over time.
AI Text Summarizer
Summarize long articles and documents with AI in seconds.
SEO Meta Generator
Generate optimized meta titles and descriptions for your pages.
Alt Text Generator
Generate descriptive alt text for images using AI.
Instant Results
Everything runs in your browser. No loading spinners.
Privacy First
Your data never leaves your device.
Works Everywhere
Optimised for mobile, tablet and desktop.
Always Free
No freemium. No paywalls. No catch.