All Tools

Convert between HEX, RGB, HSL, and more

Convert images between JPEG, PNG, WebP, and AVIF formats

Convert video and audio files between formats — trim, resize, and adjust quality

Convert between Unix timestamps and readable dates

A simple stopwatch with lap timing

Parse CSV data and convert to JSON or Markdown

Calculate estimated time of arrival given distance and speed

Convert HTML to Markdown format

Convert JSON data to CSV format

Convert JSON data to XML format

Convert JSON data to YAML format

Convert Markdown to HTML format

Evaluate mathematical expressions like 2+3*4

Convert between binary, octal, decimal, hex

Calculate percentages: X% of Y, X is what % of Y, percentage change

Parse and format international phone numbers

Convert between Roman and Arabic numerals (1-3999)

Convert text to a URL-friendly slug

Convert between Celsius, Fahrenheit, and Kelvin

Convert time between different timezones

Convert TOML data to JSON format

Convert XML to JSON format

Convert YAML to JSON format

Encode and decode Base64 strings

Generate cron expressions with a visual editor and get human-readable descriptions

Write and run JavaScript code in your browser

Format, minify, and validate JSON

Search for any number sequence in the digits of π. Find your phone number, birthday, or any pattern in pi's infinite digits.

Test and debug regular expressions

Encode text to token IDs and compare tokenization across different AI models

URL component encoding and decoding

Encode files to Base64 or decode Base64 back to files

Calculate Unix file permissions — toggle r/w/x bits or enter a chmod number

Convert docker run CLI commands to Docker Compose YAML format

Quick reference cheatsheet for common Git commands

Encode and decode HTML entities

A simple what-you-see-is-what-you-get rich text editor with HTML source view

Validate and parse International Bank Account Numbers (IBAN)

Run JavaScript code performance benchmarks in your browser

Press any key to see its key code, code, and modifier key information

Generate HTML meta tags for SEO and social sharing

Compare two JSON objects and highlight the differences

View and explore JSON data in a collapsible tree

Format, minify, and beautify CSS

Format and beautify SQL queries

Format and beautify XML data

Parse and view YAML as formatted JSON

Create professional invoices instantly with live preview. Fill in your details, add line items, and download as PDF — no sign-up, no watermarks, completely free.

Generate QR codes from text or URLs with customizable size and error correction

Convert text into ASCII art banners using figlet fonts

Generate cryptographically secure BIP39 mnemonic phrases for cryptocurrency wallets

Access your camera to take photos and capture images directly in the browser

Browse and copy emojis by category with search

Draw a signature and export it as a PNG with custom ink, background, or transparency

Generate random TCP/UDP port numbers with configurable ranges

Generate custom SVG placeholder images for your projects

Generate secure random tokens with customizable character sets

Generate Universally Unique Lexicographically Sortable Identifiers

Generate UUID v1, v3, v4, v5, and NIL

Generate a QR code that shares WiFi credentials — scan to connect instantly

Other domains use RDAP. edu.cn uses a dated static snapshot, not a live registration lookup. CDN caches can delay updates. edu.cn subdomains are automatically reduced to their root: www.neu.edu.cn → neu.edu.cn.

View detailed information about your browser, screen, and system

See what the world is searching for — today's trending searches on Google

Browse and search HTTP status codes with descriptions and categories

Convert IPv4 addresses to hex, binary, decimal, integer, octal, and identify class

Calculate IPv4 subnet details including network address, broadcast, usable hosts

Generate random IPv6 Unique Local Addresses (fd00::/8)

Generate random MAC addresses with customizable format and OUI prefix

Look up the vendor of a MAC address from the built-in OUI database

Browse and search common MIME types by extension, MIME type, or category

Parse and analyze User Agent strings to identify browser, OS, device and more

Discover what your browser reveals about you — device, GPU, fonts, battery, network, and more

Generate hash values from text using MD5, SHA1, SHA256, SHA224, SHA384, SHA512, SHA3, or RIPEMD160

Scramble and descramble images using space-filling curves

Decode and inspect JWT tokens (header, payload, signature)

Generate secure random passwords

Generate Basic Authentication headers from username and password

Hash passwords or compare against existing bcrypt hashes

Encrypt and decrypt text using AES-CBC with PBKDF2

Generate time-based one-time passwords (TOTP) compatible with authenticator apps

Analyze password strength with scoring and crack time estimation

Upload a PDF file to inspect its metadata, version, and structure

Generate RSA key pairs in your browser using the Web Crypto API

Extract real URLs from safelink/redirect formats like Google and Outlook

Convert text between camelCase, snake_case, PascalCase, and more

Live Markdown editor with WYSIWYG, split view, and instant rendering

Count words, characters, and paragraphs

Normalize email addresses by lowercasing and trimming dots (Gmail, etc.)

Convert a list between comma-separated, JSON array, bullet, numbered, and pipe-separated formats

Generate placeholder text for your designs

Convert words to numeronyms (e.g. internationalization → i18n)

Obfuscate text with leet speak replacements and string reversal

Convert text to binary and binary back to text

Compare and find differences between texts

Analyze text with detailed character, word, and readability statistics

Convert text to NATO phonetic alphabet (Alpha, Bravo, Charlie...)