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All Tools

Free online developer tools for encoding, formatting, generating, and security tasks. All tools work in your browser without registration.

Encoders & Decoders

Encode and decode various data formats

Base64 Encoder/Decoder
Encode and decode Base64 strings online free
URL Encoder/Decoder
Encode and decode URL components safely
HTML Entity Encoder/Decoder
Encode and decode HTML entities
Binary Encoder/Decoder
Convert text to binary and binary to text
Hex Encoder/Decoder
Convert text to hexadecimal and back

Formatters & Validators

Format and validate code and data

JSON Formatter/Validator
Format and validate JSON data
XML Formatter/Validator
Format and validate XML data
YAML Formatter/Validator
Format and validate YAML configuration files
CSS Formatter/Minifier
Format and minify CSS stylesheets
HTML Formatter/Validator
Format and validate HTML markup
SQL Formatter
Format and beautify SQL queries

Generators

Generate various types of data

UUID Generator
Generate UUID v1 and v4 unique identifiers
QR Code Generator
Generate QR codes from text and URLs
Password Generator
Generate secure random passwords
Random Data Generator
Generate random names, emails, addresses

Security Tools

Security and cryptographic tools

JWT Decoder
Decode and analyze JWT tokens without secret key
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes securely
SSL Certificate Decoder
Decode and analyze SSL/TLS certificates
Coming Soon

Converters

Convert between different formats and units

Timestamp Converter
Convert between Unix timestamps and dates
Color Converter
Convert between color formats (HEX, RGB, HSL)
Unit Converter
Convert between different units of measurement
Image Format Converter
Convert images between different formats
Coming Soon

Utilities

Helpful development utilities and tools

Regex Tester
Test and debug regular expressions
Text Diff Checker
Compare text differences side by side
Lorem Ipsum Generator
Generate placeholder text for designs
Word Counter
Count words, characters, and paragraphs
URL Analyzer
Analyze and parse URL components
Coming Soon
IP Address Lookup
Get information about IP addresses
Coming Soon
WHOIS Lookup
Look up domain registration information
Coming Soon
DNS Lookup
Perform DNS record lookups
Coming Soon
Website Speed Test
Test website loading speed and performance
Coming Soon
SSL Certificate Checker
Check SSL certificate validity and details
Coming Soon

Data Converters

Convert between different data formats

CSV to JSON Converter
Convert CSV files to JSON format
JSON to CSV Converter
Convert JSON data to CSV format
XML to JSON Converter
Convert XML documents to JSON format with configurable options
JSON to XML Converter
Convert JSON data to XML format with advanced configuration options
Markdown to HTML Converter
Convert Markdown text to HTML with live preview
HTML to Markdown Converter
Convert HTML content to Markdown
Coming Soon

Image Tools

Image processing and optimization tools

Image Resizer & Compressor
Resize and compress images for web optimization
SVG Optimizer
Optimize and minify SVG files
Coming Soon
Favicon Generator
Generate favicons from images or text for websites
Image to Base64 Converter
Convert images to Base64 encoded strings
Coming Soon

Text Processors

Advanced text processing and manipulation

Case Converter
Convert text between different cases
Text Sorter & Deduplicator
Sort lines and remove duplicates from text
Escape/Unescape String
Escape and unescape strings for various languages
Text to ASCII Converter
Convert text to ASCII codes and simple ASCII art
Coming Soon
Random String Generator
Generate random strings with custom parameters
Coming Soon

Crypto Tools

Cryptographic and security utilities

JWT Generator
Generate JSON Web Tokens with custom claims
AES Encrypt/Decrypt
Encrypt and decrypt text using AES algorithm
Coming Soon
RSA Key Generator
Generate RSA public and private key pairs
Coming Soon
HMAC Generator
Generate HMAC signatures for message authentication
Coming Soon
OTP Generator
Generate one-time passwords for 2FA
Coming Soon

Web Tools

Web development and optimization tools

JavaScript Minifier/Beautifier
Minify and beautify JavaScript code
CSS Grid Generator
Generate CSS Grid layouts visually
Coming Soon
robots.txt Generator
Generate robots.txt files for SEO
Coming Soon
Browser Feature Detector
Detect browser features and compatibility
Coming Soon
Email Validator
Validate email addresses and check format
Credit Card Validator
Validate credit card numbers using Luhn algorithm
Coming Soon
Phone Number Formatter
Format phone numbers for different countries
Coming Soon
Cron Expression Generator
Generate and validate cron expressions
User Agent Parser
Parse and analyze user agent strings
Coming Soon
ASCII Art Generator
Convert images to ASCII art representation
Coming Soon

Frequently Asked Questions

How to use online developer tools?

Our developer tools are designed to work entirely in your browser. Simply select a tool, paste your data, and get instant results without any registration or downloads.

Are these developer tools free?

Yes, all our developer tools are completely free to use. No registration, no limits, and no hidden costs.

Is my data secure?

All processing happens in your browser. Your data never leaves your device, ensuring complete privacy and security.

What tools are available?

We offer encoders, formatters, generators, and security tools including Base64 encoder, JSON formatter, JWT decoder, and more.