Online Utilities

Free browser tools — no downloads, no installs.

100 Tools

🌐 Network & Device Info

📍

My IP Address

See your public IP address, location, and ISP information.

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📱

Device Info

Browser, OS, screen resolution, GPU, and more device details.

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📶

Speed Test

Estimate your download speed with a quick connection test.

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🔍

What's My Browser

Detect your browser name, version, engine, and supported features.

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📡

HTTP Header Viewer

View the HTTP response headers of any URL.

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🔄 Conversion Tools

📏

Unit Converter

Convert length, weight, temperature, and volume between metric and imperial.

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🎨

Color Converter

Convert between HEX, RGB, and HSL color formats with live preview.

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🔢

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

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💾

Data Size Converter

Convert between bytes, KB, MB, GB, TB, and more.

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🌡️

Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin instantly.

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⏳

Time Unit Converter

Convert between seconds, minutes, hours, days, weeks, and years.

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💱

Currency Converter

Convert between world currencies with live exchange rates.

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📐

Angle Converter

Convert between degrees, radians, gradians, and turns.

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⚡

Energy Converter

Convert between joules, calories, kWh, BTU, and eV.

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📝 Text & Data Tools

🔤

Text Counter

Count characters, words, sentences, paragraphs, and reading time.

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🔐

Base64 Tool

Encode and decode text to and from Base64 format.

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🔗

URL Encoder

Encode and decode URLs and query string parameters.

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📋

JSON Formatter

Validate, format, and minify JSON with syntax highlighting.

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🎲

UUID Generator

Generate random v4 UUIDs with one click. Copy to clipboard.

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🔠

Case Converter

Convert text to UPPER, lower, Title, camelCase, snake_case, and more.

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📜

Lorem Ipsum Generator

Generate placeholder text by paragraphs, sentences, or words.

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🔗

Slug Generator

Convert any text into a URL-friendly slug.

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🧹

Duplicate Line Remover

Remove duplicate lines from text, keeping unique entries.

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🔎

Find and Replace

Find and replace text with regex support and highlighting.

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📊

Text Diff Checker

Compare two texts and see additions, deletions, and changes.

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📝

Markdown Previewer

Write Markdown and see it rendered in real time.

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🧵

String Utilities

Reverse, shuffle, repeat, truncate, and pad strings.

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🧮 Visual & Math Tools

📲

QR Generator

Generate QR codes from any text or URL. Download as image.

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🌈

Color Picker

Pick colors visually and export HEX, RGB, and HSL values.

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🔒

Password Generator

Generate secure passwords with configurable length and character sets.

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🖩

Calculator

Scientific calculator with common math functions.

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⏱️

Stopwatch

Timer, stopwatch, and lap counter in one simple tool.

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🎨

CSS Gradient Generator

Create linear and radial CSS gradients with live preview and code.

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🖼️

Box Shadow Generator

Design CSS box shadows visually and copy the code.

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📺

Aspect Ratio Calculator

Calculate aspect ratios and resize dimensions proportionally.

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🎰

Random Number Generator

Generate random numbers, dice rolls, and coin flips.

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➗

Percentage Calculator

Calculate percentages, percentage change, and ratios.

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🛠️ Developer Tools

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🧪

Regex Tester

Test regular expressions with live matching, groups, and flags.

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🔓

JWT Decoder

Decode and inspect JSON Web Token headers and payloads.

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🕐

Cron Expression Builder

Build and explain cron schedules with a visual editor.

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🗜️

HTML Minifier

Minify HTML by removing comments, whitespace, and optional tags.

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🗜️

CSS Minifier

Minify CSS by removing comments, whitespace, and redundant code.

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🗜️

JavaScript Minifier

Minify JavaScript by removing comments and whitespace.

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🗃️

SQL Formatter

Format and beautify SQL queries with syntax highlighting.

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🏷️

HTML Entity Encoder

Encode and decode HTML entities — named and numeric.

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📄

JSON to CSV

Convert JSON arrays to CSV format and download.

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📋

CSV to JSON

Convert CSV data to JSON format with header detection.

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📑

YAML Formatter

Validate and format YAML with conversion to/from JSON.

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📰

XML Formatter

Format and validate XML with proper indentation.

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🔐 Encoding & Security

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#️⃣

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.

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🔏

HMAC Generator

Generate HMAC signatures with SHA-256/SHA-512 and a secret key.

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🔐

AES Encrypt/Decrypt

Encrypt and decrypt text using AES-GCM with a password.

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🧂

Bcrypt Hash Generator

Generate and verify bcrypt password hashes.

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🔑

RSA Key Pair Generator

Generate RSA public/private key pairs in PEM format.

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🔢

TOTP Code Generator

Generate time-based one-time passwords (2FA codes) from a secret.

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📜

CSR Decoder

Decode and inspect SSL Certificate Signing Requests.

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🛡️

SSL Certificate Decoder

Decode and inspect PEM-encoded SSL certificates.

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🗝️

PGP Key Generator

Generate PGP/GPG key pairs for email encryption.

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📅 Date & Time

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🕰️

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates.

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🌍

Timezone Converter

Convert times between any world timezones.

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📅

Date Calculator

Add or subtract days, months, and years from any date.

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📆

Date Difference Calculator

Calculate the exact duration between two dates.

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⏰

Countdown Timer

Set a countdown to any date and share it.

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🌐

World Clock

See the current time in multiple cities around the world.

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🎂

Age Calculator

Calculate your exact age in years, months, days, and hours.

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📇

Week Number Calculator

Find the ISO week number for any date.

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🖼️ Image & Media Tools

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🖼️

Image Resizer

Resize images to exact dimensions or by percentage.

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📦

Image Compressor

Compress images to reduce file size with quality control.

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✂️

Image Cropper

Crop images with a visual selection tool.

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🔄

Image to Base64

Convert images to Base64 data URIs and back.

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⭐

Favicon Generator

Generate favicons in multiple sizes from any image.

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🏞️

Placeholder Image

Generate placeholder images of any size and color.

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🔀

SVG to PNG Converter

Convert SVG files or code to PNG images at any resolution.

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🎨

Color Palette Generator

Generate harmonious color palettes from a base color.

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♿

Contrast Checker

Check WCAG color contrast ratios for accessibility.

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🎞️

GIF Frame Viewer

Upload a GIF and view individual frames with timing info.

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🌐 Web & SEO Tools

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🏷️

Meta Tag Generator

Generate HTML meta tags for SEO, social sharing, and more.

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👁️

Open Graph Preview

Preview how your page looks when shared on social media.

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🤖

Robots.txt Generator

Build a robots.txt file with a visual editor.

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🗺️

Sitemap Generator

Generate an XML sitemap from a list of URLs.

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⚙️

.htaccess Generator

Generate common Apache .htaccess rules visually.

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📊

Schema Markup Generator

Generate JSON-LD structured data for rich search results.

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🐦

Twitter Card Generator

Generate Twitter Card meta tags with live preview.

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🔗

UTM Link Builder

Build campaign tracking URLs with UTM parameters.

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↩️

Redirect Code Generator

Generate 301/302 redirect code for Apache, Nginx, and more.

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📏

CSS Unit Converter

Convert between px, em, rem, pt, vw, vh, and more.

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💰 Math & Finance

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💰

Tip Calculator

Calculate tip amounts and split bills between people.

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🏠

Loan Calculator

Calculate monthly payments, total interest, and amortization.

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📈

Compound Interest

Calculate compound interest with regular contributions.

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⚖️

BMI Calculator

Calculate your Body Mass Index with health category.

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🍎

Calorie Calculator

Estimate daily calorie needs based on activity level.

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🏷️

Discount Calculator

Calculate sale prices, savings, and discount percentages.

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🛒

Unit Price Comparator

Compare unit prices to find the best deal.

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🎓

GPA Calculator

Calculate your Grade Point Average from course grades.

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💼

Salary Converter

Convert between hourly, daily, weekly, monthly, and annual salary.

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💹

Inflation Calculator

Calculate the impact of inflation on purchasing power.

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🔢

Number to Words

Convert any number to its written English form.

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🎲 Generators & Randomizers

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🎡

Random Picker / Wheel

Pick a random item from a list or spin a wheel.

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🪙

Coin Flipper

Flip a virtual coin with animation and statistics.

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🎲

Dice Roller

Roll virtual dice — d4, d6, d8, d12, d20 with history.

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👥

Team Generator

Split a list of names into random balanced teams.

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🎨

Random Color Generator

Generate random colors with harmony rules.

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👤

Name Generator

Generate random names for characters, businesses, or usernames.

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🔤

Passphrase Generator

Generate memorable passphrases using random dictionary words.

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📊

Barcode Generator

Generate barcodes in Code128, EAN-13, UPC, and more.

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📸

QR Code Reader

Scan and decode QR codes from images or camera.

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✅ Validators & Checkers

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✅

JSON Schema Validator

Validate JSON data against a JSON Schema definition.

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📧

Email Validator

Validate email address format with detailed RFC compliance.

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🔗

URL Validator & Parser

Validate and parse URLs into protocol, host, path, and params.

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💳

Credit Card Validator

Validate credit card numbers using the Luhn algorithm.

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🏦

IBAN Validator

Validate International Bank Account Numbers with country detection.

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🐛

Regex Debugger

Step through regex matching with explanation of each token.

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🏗️

HTML Validator

Check HTML for common errors like unclosed tags.

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🎨

CSS Validator

Validate CSS syntax and check for common errors.

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🌐

IP Address Validator

Validate and analyze IPv4/IPv6 addresses with subnet info.

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📑

YAML Validator

Validate YAML syntax with detailed error messages.

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⏱️

Crontab Validator

Validate cron expressions and show next scheduled run times.

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