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85 free online developer tools and calculators. No sign-up required, instant results.
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85 tools in Developer
.htaccess Redirect Generator
ARIA Role Reference
ASCII Table
Alt Text Generator
Base64 Encoder/Decoder - Encode & Decode Text
Binary Converter - Binary Decimal Hex Octal
Binary Text Converter
Binary to Text Converter
Border Radius Generator - Free CSS Rounded Co
Box Shadow Generator
CSS Animation Generator
CSS Flexbox Generator
CSS Gradient Generator — Free Online Tool
CSS Grid Generator
CSS Grid Generator
CSV to JSON Converter
Canonical URL Checker
Character Counter - Count Letters & Words
Color Contrast Analyzer
Color Converter - HEX RGB HSL
Color Gradient Maker
Color Palette Generator
Color Picker & Palette Generator - Free Onlin
Color Picker from Image
Cron Expression Builder
Cron Expression Generator - Build Cron Jobs E
Dyslexia-Friendly Text
Epoch Converter - Unix Timestamp Converter
Flexbox Generator
Font Pairing Tool
Font Size Converter
HEX to RGB Converter - Color Code Converter
HTML Entity Encoder
Hash Generator - MD5, SHA-1, SHA-256, SHA-512
Heading Hierarchy Checker
Heading Structure Generator
IP Address Lookup & Parser - Binary, Hex, Cla
IP Subnet Calculator
Image Compressor
Image Cropper
Image Resizer
Image to Base64 Converter
JSON Formatter
JWT Decoder
Keyword Density Checker
Legal Document Word Counter
Line Counter
Link Text Checker
Lorem Ipsum Generator
Markdown Preview - Live Editor & Renderer
Meta Description Checker
Meta Tag Generator
Open Graph Previewer
PX to REM Converter
Paragraph Formatter
Password Generator - Create Strong, Secure Pa
Password Strength Checker
Perspective Grid Generator
Pixel Density Calculator
QR Code Generator
QR Code Generator - Free Online QR Maker
Regex Tester - Test Regular Expressions Onlin
Robots.txt Generator
SQL Formatter
SVG to CSS Background Converter
Schema Markup Generator
Screen Reader Text Preview
Screen Resolution Guide
Sentence Counter
Social Media Image Resizer
Subnet Calculator
Text Case Converter - UPPER lower Title Case
Text Diff Checker — Compare Two Texts Online
Touch Target Checker
Twitter Character Counter
URL Encoder Decoder
URL Encoder/Decoder
URL Slug Generator
Unix Timestamp Converter
WCAG Contrast Checker
Wedding Color Palette Generator
Whitespace Remover
Word Counter & Text Analyzer - Free Online To
Word Frequency Counter
XML Sitemap Generator