ArcaneUtils
ASCII Symbol Picker
Search and copy ASCII symbols, arrows, checkmarks, math symbols, and more.
Welcome to ArcaneUtils
Your go-to collection of free online utility tools. Fast, secure, and designed with simplicity in mind. All tools run in your browser – no data is sent to our servers.
My Favorites
Generators
Barcode Generator
Generate CODE128, EAN-13, UPC-A, CODE39 and other barcodes instantly.
Cron Generator
Build cron schedules easily with a visual interface.
Emoji Picker
Search and copy any emoji instantly. Full categories, fast search.
Favicon Generator
Create professional favicons from text, emoji, or images. Download ICO and PNG packages.
Hash Generator
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) from text or files.
Lorem Ipsum Generator
Generate placeholder text with customizable length and fun themes.
Numeronym Generator
Instantly create numeronyms (like i18n, a11y, l10n) from any word or phrase.
Password Generator
Create strong, secure passwords with customizable length and character options.
QR Code Generator
Create custom QR codes for URLs, WiFi, contacts, and more. Customize colors.
Random Decision Maker
Can't decide? Enter options and spin the wheel or get a random choice.
Robots.txt Generator
Easily create robots.txt files for SEO. Allow/disallow paths, add sitemap, set crawl delay.
RSA Key Pair Generator
Generate RSA public/private key pairs in browser (2048, 3072, 4096 bits). PEM, DER, JWK formats.
Slug Generator
Convert text to SEO-friendly URL slugs. Customizable lowercase, separators, and stop words.
SVG Blob Generator
Create beautiful organic blob shapes for your designs. Download as SVG or PNG.
SVG Placeholder Generator
Generate lightweight, customizable SVG placeholder images for web development (size, color, text).
UUID Generator
Generate single or bulk v4 UUIDs/GUIDs instantly in your browser with easy copy options.
Development
Git Cheat Sheet
Interactive searchable Git command reference with 70+ commands, explanations, and copy buttons.
Docker Run to Compose
Convert docker run commands to docker-compose.yml format instantly.
JS Minifier
Minify and beautify JavaScript code. Safe and client-side processing.
HTML JS Minifier
Minify HTML and JavaScript code efficiently.
CSS Minifier
Optimize your CSS code by minifying it for production or beautifying it for readability.
SQL Formatter
Format, beautify, and minify your SQL queries. Supports various SQL dialects.
String Obfuscator
Obfuscate sensitive strings (tokens, IBAN, secrets, IDs) to safely share them.
Web & Code
Base64 Encoder
Encode and decode text or files to Base64 format.
HTML Entity Converter
Encode special characters to HTML entities or decode entities back to text.
HTML Minifier
Compress HTML code for production or beautify it for readability. Clean and fast.
HTML Stripper
Instantly strip HTML tags from text, keep selected elements, convert breaks. Perfect for cleaning content.
Open Graph Generator
Create perfect Open Graph meta tags for Facebook, LinkedIn, Twitter/X sharing. Instant preview.
Query to JSON
Convert URL query strings to JSON objects instantly. Handles repeated parameters.
URL Encoder
Percent-encode or decode URLs and query strings instantly. Safe and fast.
User Agent Parser
Parse User Agent strings to detect browser, OS, and device.
Converters
Base Converter
Convert numbers between Decimal, Binary, Hexadecimal, and Octal formats.
Color Converter
Convert between HEX, RGB, HSL, and other color formats.
Date Time Converter
Convert between timestamps, ISO 8601, and human-readable formats with timezone support.
IP Number Converter
Convert IP addresses to decimal, binary, and hexadecimal formats.
IPv4 Address Converter
Convert IPv4 addresses between decimal, binary, hexadecimal and integer formats instantly.
JSON to XML Converter
Convert JSON to well-formatted XML instantly. Custom root element, indentation, real-time preview.
Roman Numeral Converter
Convert numbers to Roman Numerals and back instantly.
Text Case Converter
Convert text to title case, uppercase, lowercase, alternating, sentence case.
Timestamp Converter
Convert Unix timestamps to readable dates and vice versa. Supports multiple timezones.
Unit Converter
Convert between length, weight, temperature, volume, data storage, and more.
XML Formatter
Instantly format, validate, and minify XML code. Get detailed error messages.
YAML to JSON Converter
Convert YAML to JSON instantly. Real-time preview, pretty-print, error checking.
Validators
Credit Card Validator
Validate credit card numbers with Luhn algorithm. Detect card type instantly.
JSON Formatter
Format, validate, and minify JSON data. Highlight errors and beautify your code instantly.
Password Strength Tester
Test password strength instantly with zxcvbn. See crack time estimates and entropy.
Regex Tester
Test and debug regular expressions with real-time highlighting and explanation.
YAML Validator
Validate YAML files instantly in browser. Get clear error messages with line numbers.
Content & Text
Duplicate Finder
Find and remove duplicates in lists. Compare two lists, deduplicate, or split results.
Sort Lines
Sort text lines alphabetically, numerically, reverse order, shuffle randomly.
Word Counter
Count words, characters, syllables. Get Flesch-Kincaid readability scores.
Images & Media
Bulk Image Processor
Compress, resize, convert, and rename multiple images at once.
Image Metadata Viewer
View EXIF data, camera settings, GPS coordinates, and more from your images.
SVG Viewer
Paste, upload or load SVG code/files. Live preview, zoom, element inspector.
Security & Crypto
Basic Auth Generator
Generate HTTP Basic Auth header values, cURL commands, and .htpasswd lines.
Chmod Calculator
Quickly calculate Linux file permissions (chmod) using checkboxes for owner/group/others.
Hash Generator
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) from text or files.
JWT Decoder
Decode and inspect JWT tokens instantly. View header, payload, signature.
Outlook Safe Links Decoder
Decode Microsoft Outlook / Office 365 Safe Links URLs to see the real destination.
RSA Key Pair Generator
Generate RSA public/private key pairs in browser (2048, 3072, 4096 bits).
String Obfuscator
Obfuscate sensitive strings (tokens, IBAN, secrets, IDs) to safely share them.
Network & Security
IP Lookup
Find the location and ISP of any IP address.
IPv4 Range Expander
Expand IP range notation (CIDR, start-end, wildcard) into a full list of IPv4 addresses.
IPv4 Subnet Calculator
Calculate IPv4 subnet details: network address, broadcast, usable hosts, subnet mask.
My IP
Instantly check your public IP address, location, ISP, and more.
SEO & Web
Open Graph Generator
Create perfect Open Graph meta tags for Facebook, LinkedIn, Discord, and Twitter.
Robots.txt Generator
Easily create robots.txt files for SEO. Allow/disallow paths, add sitemap.
Design & Accessibility
Color Picker
Pick colors, convert formats, generate palettes, and check WCAG contrast.
WCAG Contrast Checker
Check color contrast ratio instantly for WCAG AA/AAA compliance.
Utilities
QR Code Scanner
Scan QR codes instantly using your camera or upload an image.