NilVector Toolbox
Completely free, no registration required, use online.
Base64 Encoder / Decoder
Encode and decode text with Base64
Base64 Image Converter
Convert images to Base64 and Base64 back to images
URL Encoder / Decoder
Encode and decode URL
Color Converter
Convert colors between HEX, RGB, HSL, HSV, CMYK, etc.
UUID Generator
Generate random UUIDs
Random Password Generator
Generate secure random passwords locally in your browser
JWT Decoder
Decode and verify JSON Web Tokens (JWT)
JSON Formatter
Format, Unescape JSON
SQL Formatter
Format SQL statements
XML Formatter
Format XML
Unix Timestamp Converter
Convert Unix timestamps
Hash Calculator
Compute cryptographic hashes (SHA-1/SHA-256/SHA-384/SHA-512) locally in your browser.
Unicode Escape
Convert characters to Unicode escape sequences and back
Newline & Whitespace Tool
Normalize Unix line endings and clean up whitespace
Diff Tool
Compare two texts side by side in real time
Regex Validator
Validate regular expressions locally in your browser and preview matches
Timezone Converter
Convert times between timezones
Cron Expression Tool
Validate cron expressions and preview upcoming run times
QR Code Generator
Generate and customize QR codes
QR Code Parser
Decode QR code images and inspect the content
HTML Live Preview Tool
Real-time sync, fullscreen preview, and open in new tab
PlantUML Preview Tool
Preview PlantUML diagrams online with zoom and drag support
Case Converter
Convert text between different case styles
Word Counter Tool
Real-time statistics for characters, words, lines, paragraphs, and sentences
URL Slug Generator
Convert text to a URL-friendly slug
Duplicate Remover
Remove duplicate lines from your text with various options
Image Compressor
Compress Images