DevTools
A comprehensive collection of free online developer tools to boost your productivity. No sign-up required, works offline, and completely privacy-focused.
📝Text & String Tools
18 tools available
{ }
JSON Formatter
Format, validate and beautify JSON
🔤
Base64 Encoder/Decoder
Encode and decode Base64 strings
🔗
URL Encoder/Decoder
Encode and decode URLs
Coming Soon
🌐
HTML Encoder/Decoder
Encode and decode HTML entities
Coming Soon
📄
Markdown to HTML
Convert Markdown to HTML
Coming Soon
👁️
Markdown Preview
Live Markdown editor with preview
Coming Soon
Aa
Case Converter
Convert text case (UPPER, lower, camelCase, etc.)
Coming Soon
🔀
Text Diff Checker
Compare two text blocks
Coming Soon
📋
Lorem Ipsum Generator
Generate placeholder text
Coming Soon
🔢
Word Counter
Count words, characters, and lines
Coming Soon
↩️
String Reverser
Reverse text strings
Coming Soon
🗑️
Remove Duplicates
Remove duplicate lines or words
Coming Soon
🔤
Sort Lines
Sort text lines alphabetically
Coming Soon
🔍
Find & Replace
Find and replace text with regex support
Coming Soon
🏷️
Slug Generator
Generate URL-friendly slugs
Coming Soon
🎯
Title Case Converter
Convert text to title case
Coming Soon
📰
XML Formatter
Format and validate XML
Coming Soon
💾
SQL Formatter
Format SQL queries
🔐Security & Encryption
9 tools available
#️⃣
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes
Coming Soon
🔏
HMAC Generator
Generate HMAC signatures
Coming Soon
🎫
JWT Decoder
Decode and validate JWT tokens
Coming Soon
🆔
UUID Generator
Generate random UUIDs/GUIDs
Coming Soon
🔑
Password Generator
Generate secure random passwords
Coming Soon
🛡️
Bcrypt Hash Generator
Generate and verify Bcrypt hashes
Coming Soon
🔄
ROT13 Cipher
Encode/decode ROT13 text
Coming Soon
📡
Morse Code Translator
Convert text to/from Morse code
Coming Soon
🔒
AES Encryption
Encrypt/decrypt with AES
🎨Color Tools
10 tools available
Coming Soon
🎨
Color Picker
Pick and preview colors
🔄
Color Converter
Convert HEX, RGB, HSL, CMYK
Coming Soon
🌈
Color Palette Generator
Generate color palettes
Coming Soon
📊
Gradient Generator
Create CSS gradients
Coming Soon
♿
Color Contrast Checker
Check WCAG color contrast
Coming Soon
🏷️
Color Name Finder
Find color names from HEX
Coming Soon
🎲
Random Color Generator
Generate random colors
Coming Soon
💨
Tailwind Color Explorer
Browse Tailwind CSS colors
Coming Soon
📦
Box Shadow Generator
Generate CSS box shadows
Coming Soon
⭕
Border Radius Generator
Generate CSS border radius
🖼️Image Tools
9 tools available
Coming Soon
🗜️
Image Compressor
Compress images without quality loss
Coming Soon
📐
Image Resizer
Resize images to specific dimensions
Coming Soon
🔄
Image Format Converter
Convert PNG, JPG, WebP formats
Coming Soon
📸
Image to Base64
Convert images to Base64
Coming Soon
🖼️
Base64 to Image
Convert Base64 to image
Coming Soon
✨
SVG Optimizer
Optimize and minify SVG files
Coming Soon
⭐
Favicon Generator
Generate favicons from images
Coming Soon
📱
QR Code Generator
Generate QR codes
Coming Soon
📊
Barcode Generator
Generate barcodes
🌐Web Tools
10 tools available
Coming Soon
🗜️
HTML Minifier
Minify HTML code
Coming Soon
🎨
CSS Minifier
Minify CSS code
Coming Soon
⚡
JavaScript Minifier
Minify JavaScript code
Coming Soon
⚛️
HTML to JSX
Convert HTML to JSX/React
Coming Soon
🏷️
Meta Tags Generator
Generate SEO meta tags
Coming Soon
👁️
Open Graph Preview
Preview Open Graph tags
Coming Soon
🤖
robots.txt Generator
Generate robots.txt file
Coming Soon
🗺️
Sitemap Generator
Generate XML sitemap
Coming Soon
📡
HTTP Status Codes
Reference for HTTP status codes
Coming Soon
📄
MIME Types
MIME type reference
🔄Converters
10 tools available
Coming Soon
📊
JSON to CSV
Convert JSON to CSV format
Coming Soon
{ }
CSV to JSON
Convert CSV to JSON format
Coming Soon
📝
JSON to YAML
Convert JSON to YAML
Coming Soon
{ }
YAML to JSON
Convert YAML to JSON
Coming Soon
📰
JSON to XML
Convert JSON to XML
Coming Soon
{ }
XML to JSON
Convert XML to JSON
Coming Soon
📄
Markdown to PDF
Convert Markdown to PDF
Coming Soon
📝
HTML to Markdown
Convert HTML to Markdown
Coming Soon
🔷
JSON to TypeScript
Generate TypeScript interfaces
Coming Soon
🔢
Number Base Converter
Convert binary, octal, decimal, hex
⏰Date & Time
6 tools available
Coming Soon
⏱️
Unix Timestamp Converter
Convert Unix timestamps
Coming Soon
🌍
Time Zone Converter
Convert between time zones
Coming Soon
📅
Date Calculator
Add/subtract days from dates
Coming Soon
⏳
Duration Calculator
Calculate time duration
Coming Soon
📆
ISO 8601 Formatter
Format ISO 8601 dates
Coming Soon
🌐
World Clock
View times across the world
🔍Regex & Patterns
3 tools available
Coming Soon
🔍
Regex Tester
Test regular expressions
Coming Soon
📋
Regex Cheat Sheet
Common regex patterns
Coming Soon
⏰
Cron Expression Generator
Generate cron expressions
💻Code Tools
6 tools available
Coming Soon
✨
Code Beautifier
Beautify HTML, CSS, JS code
Coming Soon
🎨
Syntax Highlighter
Highlight code syntax
Coming Soon
🌿
Git Command Generator
Generate Git commands
Coming Soon
🚫
gitignore Generator
Generate .gitignore files
Coming Soon
📜
License Generator
Generate open source licenses
Coming Soon
📖
README Generator
Generate README.md files
🔢Math & Calculation
4 tools available
Coming Soon
%
Percentage Calculator
Calculate percentages
Coming Soon
📏
Unit Converter
Convert units (length, weight, etc.)
Coming Soon
💱
Currency Converter
Convert currencies with live rates
Coming Soon
🎲
Random Number Generator
Generate random numbers