Developer Goodies
A collection of 37 free, privacy-focused tools for designers and developers. All processing happens in your browser - no data is uploaded or stored.
Accessibility & Color
Design & Visual
Gradient Generator
Create beautiful CSS gradients with a visual editor
Box Shadow Generator
Visual box-shadow builder with live preview
Border Radius Visualizer
Perfect border-radius with visual controls for each corner
SVG to Data URI
Convert SVG code to embeddable data URI for CSS and HTML
CSS Flexbox Generator
Visual flexbox layout generator with live preview
Typography
Developer Utilities
JSON Formatter
Pretty-print and validate JSON with syntax highlighting
Base64 Encoder/Decoder
Encode and decode text or images to/from Base64
URL Encoder/Decoder
Encode and decode URLs for safe transmission
Regex Tester
Test regex patterns with live matching and explanations
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
Text Diff Checker
Compare text blocks with git-style diff highlighting
HTML Entity Encoder/Decoder
Encode and decode HTML entities for safe display
SQL Formatter
Format and beautify SQL queries with customizable options
URL Parser & Builder
Parse and build URLs with query parameters and components
HTTP Status Codes
Quick reference for HTTP status codes with descriptions
String Transformer
Transform strings with operations like reverse, sort, unique
Converters
Unit Converter
Convert between px, rem, em, vh, vw, and percentage
Markdown Preview
Live markdown to HTML preview with syntax highlighting
Image Compressor
Client-side image compression with quality control
QR Code Generator
Create QR codes instantly from text or URLs
JSON to CSV Converter
Convert JSON arrays to CSV format with customizable options
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal
Markdown Table Generator
Create markdown tables with a visual spreadsheet-like editor