Developer Utilities
A collection of useful tools for developers
All Tools (35 tools)
App Icon Generator
Generate app icons for iOS, Android, Web, macOS, and Windows
Base64 Encoder/Decoder
Encode and decode Base64 strings
BIP32 HD Wallet Key Derivation
Derive hierarchical deterministic wallet keys from seeds or mnemonic phrases
BIP39 Mnemonic Generator
Generate and validate BIP39 mnemonic phrases for cryptocurrency wallets
BIP44 Multi-Account Hierarchy
Derive multiple cryptocurrency addresses using BIP44 standard
Case Converter
Convert text between different cases (camelCase, snake_case, etc.)
Character Counter
Count characters, words, lines, and analyze text statistics
Color Converter
Convert between HEX, RGB, HSL, and other color formats
CSS Minifier
Minify and beautify CSS code
Text Diff Checker
Compare and find differences between two texts
Grid Overlay Tool
Draw customizable grids on images with zoom and pan support
Hash Generator
Generate MD5, SHA-1, SHA-256, and other hashes
HTML Entity Encoder/Decoder
Encode and decode HTML entities
HTML/Markdown Converter
Convert HTML to Markdown format and vice versa
Image to ICO Converter
Convert images to ICO format for favicons and app icons
Image to Base64
Convert images to Base64 data URLs
JavaScript Minifier
Minify and beautify JavaScript code
JSON Formatter
Format, validate, and minify JSON
JWT Decoder/Encoder
Decode and encode JSON Web Tokens
Lorem Ipsum Generator
Generate placeholder text for designs
Markdown Preview
Preview and edit Markdown in real-time
Medium Article Reader
Parse Medium URLs and generate paywall-free reading links
Money to Text Converter
Convert numerical money amounts to written text form
Password Generator
Generate secure random passwords
QR Code Generator
Generate customizable QR codes with logos, colors, and multiple formats
QR Code Generator (Batch)
Generate multiple QR codes at once from a list
QR Code Scanner
Scan and decode QR codes from images
Regex Tester
Test and debug regular expressions
SEO Meta Tags Generator
Generate SEO meta tags including Open Graph and Twitter Card
SQL Formatter
Format and beautify SQL queries
Timestamp Converter
Convert between Unix timestamps and dates
URL Encoder/Decoder
Encode and decode URL strings
UUID Generator
Generate UUIDs (v1, v4, v5) and GUIDs
XML Formatter
Format, validate, and minify XML
YAML/JSON Converter
Convert between YAML and JSON formats