DevDunia
DEVDUNIA
📚  Dev Tools — but make it fun & comic!
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🔧 Encoders 🛡 Security ⚡ Generators 🛠 Dev Tools 🌐 Network 📝 Text 🗄 Database 🐍 Python
💥 NO TOOLS MATCH — TRY ANOTHER KEYWORD!
01
📚 Chapter One
Encoders & Decoders
Base64, URL, JWT, JSON, YAML, XML, CSV and more — transform data any way you need.
16TOOLS
📤
Base64 Encoder
Encode text or binary data to Base64 format
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📥
Base64 Decoder
Decode Base64 strings back to plain text
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📤
Base62 Encoder
Encode numbers to compact Base62 alphanumeric strings
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📥
Base62 Decoder
Decode Base62 strings back to their numeric value
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₿
Base58 Encoder
Bitcoin/IPFS standard Base58 encoding — no ambiguous chars
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₿
Base58 Decoder
Decode Base58 encoded strings back to plain text
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🔗
URL Encoder
Percent-encode URLs and query parameters safely
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🔓
URL Decoder
Decode percent-encoded URLs back to readable form
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🎫
JWT Decoder
Decode and inspect JWT tokens — header, payload, claims
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✨
JSON Beautifier
Format and pretty-print JSON with syntax highlighting
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📦
JSON Minifier
Compress JSON by stripping all whitespace instantly
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📊
CSV to JSON
Convert CSV spreadsheet data to JSON instantly
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⚖️
YAML ⇄ JSON
Bidirectional conversion between YAML and JSON
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📄
XML Formatter
Format and indent XML documents for readability
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🔄
PHP ⇄ JSON
Convert between JSON data and PHP array syntax
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💬
String Transformer
camelCase, snake_case, UPPER, kebab-case and more
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POW! NO SIGNUP NEEDED! ZAP! 100% CLIENT-SIDE!
02
📚 Chapter Two
Security & VAPT
Clickjacking detection, HTTP header analysis, OWASP checks, hashing and email forensics.
6TOOLS
🔒
Clickjacking Checker
Test if a site is vulnerable to clickjacking attacks
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📋
HTTP Headers
Inspect HTTP response headers for security misconfigs
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🐛
OWASP Top 10
Interactive reference for OWASP Top 10 web vulnerabilities
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🔐
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly
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🔑
Caesar Cipher
Encrypt and decrypt with the classic Caesar shift cipher
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📧
Email Header Analyzer
Parse email headers for forensics and phishing detection
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03
📚 Chapter Three
Generators
Passwords, UUIDs, QR codes, barcodes, Lorem Ipsum, emoji — generate what you need, instantly.
8TOOLS
🔑
Password Generator
Generate strong random passwords with custom rules
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🆔
UUID / GUID Generator
Generate RFC 4122 v4 UUIDs and GUIDs in bulk
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📱
QR Generator
Generate QR codes from any URL, text or WiFi data
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📊
Barcode Generator
Generate 1D barcodes — Code128, EAN, ISBN and more
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📜
Lorem Ipsum
Generate dummy placeholder text for layouts and mockups
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😊
Emoji Picker
Search and copy any emoji — by name, category or keyword
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👥
GitHub Contributors
Visualize contributors for any GitHub repository
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🌍
Env Generator
Generate .env file templates for various project types
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BAAM! INSTANT RESULTS! WHAM! ZERO ADS!
04
📚 Chapter Four
API & Dev Tools
cURL, cron, regex, SQL, markdown, diff, Docker, NFC and everyday developer utilities.
16TOOLS
🔄
cURL Describer
Paste a cURL command and get a plain-English explanation
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⏰
Cron Describer
Translate cron expressions into human-readable schedules
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🔍
Regex Tester
Test and debug regular expressions with live highlighting
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🗄️
SQL Formatter
Format and beautify SQL queries for readability
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📝
Markdown Editor
Write Markdown with live preview side by side
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📖
Diff Checker
Compare two texts and highlight differences line by line
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🌊
Mermaid Renderer
Render Mermaid diagrams — flowcharts, sequence, ERD
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🐳
Docker Guide
Comprehensive Docker commands reference and cheat sheet
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👁️
HTML Viewer
Paste HTML and preview it rendered live in the browser
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🧪
API Response Tester
Test and inspect API responses and payment webhooks
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📶
NFC Reader
Read NFC tags directly in the browser via Web NFC API
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🔗
Text Sharer
Share text snippets via a shareable link instantly
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🔍
Elasticsearch Tools
Build and test Elasticsearch DSL queries
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⏱
Epoch Converter
Convert Unix timestamps to human-readable dates and back
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🌏
Timezone Converter
Convert times between any world timezones instantly
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💻
Bash Zero to Hero
Complete Bash scripting reference from beginner to pro
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05
📚 Chapter Five
Network Protocols
Deep-dive references for HTTP, TCP, UDP, OSI model, DNS and networking fundamentals.
6TOOLS
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Network Protocols
Overview of common network protocols and use cases
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🌍
HTTP Protocol
Complete HTTP reference — methods, status codes, headers
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TCP Protocol
TCP internals — handshake, flow control, reliability
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⚡
UDP Protocol
UDP — connectionless, fast, datagram-based communication
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🏗️
OSI Model
Interactive OSI 7-layer model reference with examples
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🏛️
DNS Museum
DNS concepts explained in a comic-book interactive format
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KA-POW! OPEN SOURCE! ZZZAP!
06
📚 Chapter Six
Text Tools
Count words, convert ASCII, handle HTML entities and analyze text — all instantly.
4TOOLS
📝
Word Counter
Count words, characters, sentences and reading time
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🖥️
HTML Entities
Encode/decode HTML special characters and entities
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🔢
ASCII Converter
Convert between text, ASCII codes, binary and hex
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🔄
ROT13 Encoder
Apply ROT13 substitution cipher to any text instantly
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07
📚 Chapter Seven
Database References
Comprehensive guides and command references for PostgreSQL, Redis, Elasticsearch and more.
3TOOLS
🐘
PostgreSQL Guide
Complete PostgreSQL reference — queries, functions, admin
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📚
Redis Commands
Interactive Redis command reference with syntax and examples
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🔍
Elasticsearch Tools
Build, test and explore Elasticsearch DSL queries
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08
📚 Chapter Eight
Python Toolkit
Interactive code references for Python requests, Flask, Pandas, OpenAI, urllib and more.
5TOOLS
🌐
Requests Library
Python requests — HTTP GET, POST, headers, authentication
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🌶️
Flask Guide
Flask web framework — routes, templates, API patterns
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🐼
Pandas Guide
Pandas DataFrames — read, filter, group, transform data
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🤖
OpenAI Library
Python OpenAI SDK — chat completions, prompts, API patterns
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🔗
urllib
Python's built-in urllib for URL handling and HTTP requests
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THE END! ...UNTIL THE NEXT TOOL IS BORN!