Developer Toolkit

A collection of practical tools for developers and technical professionals

Including encryption/decryption, data conversion, code generation and other practical tools

66
Total Tools
11
Categories
100%
Free to Use
AllConvertersCryptographyGeneratorsUtilitiesMeasurement ToolsWeb ToolsMath ToolsData ToolsNetwork ToolsFormat ConverterText Tools

Featured Tools

Base64 String Encode/Decode
Converters
Recommended
Encode and decode Base64 strings, supporting standard and URL-safe encoding.
Bcrypt
Cryptography
Recommended
Hash and compare text strings using bcrypt. Bcrypt is a password hashing function based on the Blowfish cipher...
Color Picker
Utilities
Recommended
Select colors and convert between different color formats: HEX, RGB, HSL, HSV.
Hash Text
Cryptography
Recommended
Hash text strings using desired functions: MD5, SHA1, SHA256, SHA224, SHA512...
JSON Diff
Utilities
Recommended
Compare two JSON objects and get the differences between them.
JSON to YAML
Format Converter
Recommended
Convert JSON data to YAML format with proper indentation and structure.
Token Generator
Generators
Recommended
Generate random strings with characters of your choice, uppercase or lowercase letters, numbers and/or symbols.
URL Encoder/Decoder
Web Tools
Recommended
Encode and decode URLs and URL components for safe transmission.

Converters

Base64 File Converter
Converters
Convert files to Base64 encoded strings and decode Base64 strings back to files.
Case Converter
Converters
Convert text between different case formats: camelCase, PascalCase, snake_case, kebab-case, etc.
Date Time Converter
Converters
Convert between different date and time formats, including Unix timestamps.
Integer Base Converter
Converters
Convert numbers between different bases: binary, octal, decimal, hexadecimal.
List Converter
Converters
Convert between different list formats: arrays, comma-separated, newline-separated.
Roman Numeral Converter
Converters
Convert between Arabic numbers and Roman numerals.
Text to ASCII Binary
Converters
Convert text to ASCII codes and binary representation.
Text to NATO Alphabet
Converters
Convert text to NATO phonetic alphabet for clear communication.
Text to Unicode
Converters
Convert text to Unicode code points and escape sequences.

Cryptography

Basic Auth Generator
Cryptography
Generate HTTP basic authentication header from username and password.
Encrypt/Decrypt Text
Cryptography
Encrypt and decrypt text plaintext using encryption algorithms like AES, TripleDES, Rabbit or RC4.
HMAC Generator
Cryptography
Compute hash-based message authentication code (HMAC) with secret key and hash-based algorithm.
JWT Parser
Cryptography
Parse and decode JSON Web Tokens (JWT) to view headers, payload, and signature.
OTP Code Generator
Cryptography
Generate Time-based One-Time Password (TOTP) codes for two-factor authentication.
RSA Key Pair Generator
Cryptography
Generate new random RSA private and public key pem certificates.

Generators

BIP39 Passphrase Generator
Generators
Generate BIP39 passphrase from existing or random mnemonic, or get mnemonic from passphrase.
Open Graph Generator
Generators
Generate Open Graph meta tags for improved social media sharing and SEO.
Password Strength Analyzer
Generators
Discover the strength of your password with this password strength analyzer and crack time estimation tool.
ULID Generator
Generators
Generate random Universally Unique Lexicographically Sortable Identifiers (ULID)
UUIDs Generator
Generators
A Universally Unique Identifier (UUID) is a 128-bit number used to identify information in computer systems.

Utilities

Chmod Calculator
Utilities
Calculate and convert Unix file permissions between octal, symbolic, and human-readable formats.
Crontab Expression Generator
Utilities
Generate and validate cron expressions for scheduled tasks with visual interface.
HTML WYSIWYG Editor
Utilities
Rich text editor for creating and editing HTML content with visual interface.
Keycode Info
Utilities
Get JavaScript keycode and key information by pressing any key on your keyboard.
QR Code Generator
Utilities
Generate QR codes for text, URLs, and other data with customizable options.
SVG Placeholder Generator
Utilities
Generate customizable SVG placeholder images with various sizes and colors.
WiFi QR Code Generator
Utilities
Generate QR codes for WiFi network credentials for easy sharing.

Measurement Tools

Chronometer
Measurement Tools
Precise stopwatch and timer tool with support for multiple concurrent timers.
Temperature Converter
Measurement Tools
Convert between temperature units including Celsius, Fahrenheit, and Kelvin.

Web Tools

Device Info
Web Tools
Get information about your device, browser, screen resolution, and more.
HTML Entities
Web Tools
Encode and decode HTML entities for safe display of special characters in HTML.
HTTP Status Codes
Web Tools
List of all HTTP statuses their meaning and description.
MIME Types
Web Tools
Find MIME types for file extensions and file extensions for MIME types.
URL Parser
Web Tools
Parse URLs and extract components: protocol, host, path, query parameters.
User Agent Parser
Web Tools
Parse and analyze user agent strings, extracting browser, engine, OS, CPU, and device information.

Math Tools

ETA Calculator
Math Tools
Calculate estimated time of arrival or completion based on current progress and speed.
Math Evaluator
Math Tools
Calculate complex mathematical expressions with support for various functions and operations.

Data Tools

IBAN Validator & Parser
Data Tools
Validate and parse International Bank Account Numbers (IBAN) with detailed information.
Phone Parser & Formatter
Data Tools
Parse and format phone numbers with international number format validation.

Network Tools

IPv4 Address Converter
Network Tools
Convert IPv4 addresses between different formats: decimal, binary, and hexadecimal.
IPv4 Network Calculator
Network Tools
Calculate network information from IPv4 address and CIDR notation including subnet details.
IPv4 Range Expander
Network Tools
Expand IPv4 CIDR notation or range into individual IP addresses list.
IPv6 ULA Generator
Network Tools
Generate IPv6 Unique Local Addresses (ULA) with customizable prefixes and settings.
MAC Address Generator
Network Tools
Generate random MAC addresses with customizable vendor prefixes and formats.
MAC Address Lookup
Network Tools
Look up MAC address vendor information and manufacturer details.

Format Converter

JSON Beautify & Format
Format Converter
Format and beautify JSON data with proper indentation and syntax highlighting.
JSON Compress
Format Converter
Compress and minify JSON data by removing whitespace and formatting.
JSON to CSV
Format Converter
Convert JSON data to CSV format with customizable field mapping and options.
JSON to TOML
Format Converter
Convert JSON data to TOML (Tom's Obvious, Minimal Language) format.
JSON to XML
Format Converter
Convert JSON data to XML format with proper structure and formatting.
Markdown to HTML
Format Converter
Convert Markdown text to HTML with syntax highlighting and formatting.
SQL Beautify & Format
Format Converter
Format and beautify SQL queries with proper indentation and syntax highlighting.
TOML to JSON
Format Converter
Convert TOML (Tom's Obvious, Minimal Language) data to JSON format.
TOML to YAML
Format Converter
Convert TOML data to YAML format with proper structure.
XML to JSON
Format Converter
Convert XML data to JSON format with proper structure preservation.
YAML to JSON
Format Converter
Convert YAML data to JSON format with validation and error checking.
YAML to TOML
Format Converter
Convert YAML data to TOML format with proper syntax conversion.

Text Tools

Text Statistics
Text Tools
Analyze text content with detailed statistics including character, word, and line counts.
Toolkit