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 components
Color Converter
Convert colors between HEX, RGB, HSL, HSV, and CMYK.
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, validate, and minify JSON
SQL Formatter
Format, minify, and clean up SQL statements
XML Formatter
Format, validate, and minify 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
Case Converter
Convert text between different case styles
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