ArcaneUtils
Cron Generator
Build cron schedules easily with a visual interface.
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.
Development
Git Cheat Sheet
Interactive searchable Git command reference with 70+ commands, explanations, and copy buttons.
Regex Tester
Test and debug regular expressions with real-time highlighting and explanation. Includes cheat sheet.
Robots.txt Generator
Easily create robots.txt files for SEO. Allow/disallow paths, add sitemap, set crawl delay.
UA Parser
Parse User Agent strings to detect browser, OS, and device.
UUID Generator
Generate single or bulk v4 UUIDs/GUIDs instantly in your browser with easy copy options.
Web & Code
Base64 Encoder
Encode and decode text or files to Base64 format.
CSS Minifier
Optimize your CSS code by minifying it for production or beautifying it for readability.
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.
JS Minifier
Minify and beautify JavaScript code. Safe and client-side processing.
JSON Formatter
Format, validate, and minify JSON data. Highlight errors and beautify your code instantly.
SQL Formatter
Format, beautify, and minify your SQL queries. Supports various SQL dialects.
URL Encoder
Percent-encode or decode URLs and query strings instantly. Safe and fast.
Converters
Base Converter
Convert numbers between Decimal, Binary, Hexadecimal, and Octal formats.
Roman Numeral Converter
Convert numbers to Roman Numerals and back instantly.
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.
Content & Text
ASCII Symbol Picker
Search and copy ASCII symbols, arrows, checkmarks, math symbols, and more.
Duplicate Finder
Find and remove duplicates in lists. Compare two lists, deduplicate, or split results.
Emoji Picker
Search and copy any emoji instantly. Full categories, fast search.
Lorem Ipsum
Generate placeholder text with customizable length and fun themes.
Random Decision Maker
Can't decide? Enter options and spin the wheel or get a random choice.
Slug Generator
Convert text to SEO-friendly URL slugs. Customizable lowercase, separators, and stop words.
Text Case Converter
Convert text to title case, uppercase, lowercase, alternating, sentence case.
Word Counter
Count words, characters, syllables. Get Flesch-Kincaid readability scores.
Images & Media
Barcode Generator
Generate CODE128, EAN-13, UPC-A, CODE39 and other barcodes instantly.
Bulk Image Processor
Compress, resize, convert, and rename multiple images at once. Supports JPG, PNG, WEBP, GIF.
Favicon Generator
Create professional favicons from text, emoji, or images. Download ICO and PNG packages.
Image Metadata Viewer
View EXIF data, camera settings, GPS coordinates, and more from your images.
QR Code Generator
Create custom QR codes for URLs, WiFi, contacts, and more. Customize colors.
QR Code Scanner
Scan QR codes instantly using your camera or upload an image.
SVG Blob Generator
Create beautiful organic blob shapes for your designs. Download as SVG or PNG.
Security & Crypto
Hash Generator
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) from text or files.
Password Generator
Create strong, secure passwords with customizable length and character options.
Password Strength Tester
Test password strength instantly with zxcvbn. See crack time estimates and entropy.