Developer Tools

A comprehensive toolkit for software developers, combining essential coding utilities with powerful encoding and conversion tools. Features include Regex Tester, SQL Formatter, XML/JSON Converter, Base64/URL Encoding, JWT Debugger, MD5 Hashing, and various data converters (Unit, Base, Timestamp). Everything you need for development, debugging, and data processing in one place.

Base64 Encoder/Decoder

Free online Base64 encoder and decoder. Encode text and images to Base64, decode Base64 to text and images. Supports UTF-8, file to Base64, data URI generation. Fast, secure, and easy to use.

URL Encoder/Decoder

Easily encode and decode URLs with our free online tool. Convert special characters for safe web transmission (percent-encoding) or decode them back to a readable format. Fast, simple, and reliable.

MD5 Hash Generator

Free online MD5 hash generator. Generate MD5 checksum instantly in 32-bit and 16-bit formats. Perfect for file integrity verification, data validation. Fast, secure, no signup required.

JWT Generator

Free online JWT generator and bearer token creator. Generate secure JWT secret keys, create and decode JSON Web Tokens with HS256, HS384, HS512 algorithms.

Hash Generator

Generate hash values instantly with our free online tool. Supports MD5, SHA-1, SHA-256, SHA-512, SHA-384, SHA3, RIPEMD-160 algorithms. Calculate hashes for text and files. Fast, secure, and easy to use.

Bcrypt Generator

Free online Bcrypt hash generator and password verifier. Generate secure bcrypt hashes with adjustable cost factor (4-16 rounds). Verify passwords against bcrypt hashes. 100% client-side processing, your data never leaves your browser.

Password Generator

Generate strong, secure random passwords instantly with our free online tool. Customize length, character types, and generate multiple passwords at once. 100% client-side, your data never leaves your browser.

HTML Entity Encoder/Decoder

Free online HTML entity encoder and decoder. Convert special characters to HTML entities for safe display in web pages. Encode or decode HTML entities instantly.

ASCII/Unicode Converter

Convert text to ASCII codes, Unicode code points, hexadecimal, binary, and HTML entities. Includes ASCII table reference. Free online tool, no signup required.

Unit Converter

Free online unit converter for length, weight, temperature, volume, area, speed, and more. Convert between metric and imperial units instantly. Supports 100+ unit types with precise calculations.

Base Converter

Convert numbers between different bases including Binary, Octal, Decimal, Hexadecimal, Base32, Base58, and Base62. Supports arbitrary precision conversion.

XML to JSON Converter

Convert XML to JSON format instantly with our free online tool. Supports complex XML structures with attributes, nested elements, and arrays. 100% client-side processing for complete privacy.

JSON to XML Converter

Convert JSON to XML format instantly with our free online tool. Generate well-formatted XML from JSON data with proper indentation. 100% client-side processing for complete privacy.

YAML to JSON Converter

Convert YAML to JSON format instantly with our free online tool. Supports complex YAML structures with nested objects, arrays, and multi-line strings. 100% client-side processing for complete privacy.

JSON to YAML Converter

Convert JSON to YAML format instantly with our free online tool. Generate clean, human-readable YAML from JSON data. 100% client-side processing for complete privacy.

JSON to TOON Converter

Convert JSON to TOON format to reduce LLM token consumption by up to 50%. TOON (Token-Oriented Object Notation) is optimized for AI/LLM input with compact tabular arrays. Free online tool with real-time token savings display.

TOON to JSON Converter

Convert TOON (Token-Oriented Object Notation) back to standard JSON format. Parse LLM-optimized compact data into readable JSON. Free online tool with syntax validation and instant conversion.

HTML to Markdown

Free online HTML to Markdown converter. Convert HTML code to clean Markdown format instantly. Supports GFM tables, code blocks, lists, and images. Perfect for blog migration and documentation.

Markdown to HTML

Free online Markdown to HTML converter. Convert Markdown to clean HTML code with syntax highlighting, GFM tables, code blocks, and live preview. Perfect for developers and content creators.

QR Code Generator

Generate QR codes for free with our powerful online tool. Support for URLs, WiFi, vCards, email, phone numbers, and plain text. Customize colors, add your logo, and download in PNG or SVG format.

UUID Generator

Generate UUIDs instantly with our free online tool. Supports UUID v1, v4, Nil versions. Learn UUID versions differences. Bulk generate up to 1000 UUIDs. Fast and secure.

Cron Generator

Generate and parse cron expressions online for free. Visual cron job scheduler with next execution times, syntax validation, and common presets. Perfect for Linux, Unix, and cloud scheduling.

Lorem Ipsum Generator

Free online Lorem Ipsum generator to create placeholder text for your designs, mockups, and prototypes. Generate paragraphs, sentences, words, or lists instantly. No registration required.

Emoji Picker

Browse, search and copy emojis instantly with our free online emoji picker. Get Unicode, shortcodes, and HTML entities for any emoji. Supports Chinese and English search.

Random Data Generator

Free online random data generator to create fake names, emails, phone numbers, addresses, UUIDs, dates and more. Generate bulk test data instantly with JSON/CSV export. No registration required.

Geohash Encoder/Decoder

Free online geohash encoder and decoder. Convert lat/long to geohash, decode geohash to coordinates with interactive map. Adjustable precision 1-12, display neighbors. Essential for location-based apps.

Timestamp Converter

Free online timestamp converter. Convert Unix epoch to date and time instantly. Supports seconds, milliseconds, nanoseconds timestamps. Get current timestamp, convert date to Unix time. Best timestamp to date converter for developers.

World Clock

Free online world clock tool to view current time in multiple cities worldwide. Add timezones, calculate time differences, and track daylight saving time. Essential for travelers and remote teams.

IP Address Lookup

Look up any IP address to find its geolocation, ISP, timezone, and network information. Detect your own IP address instantly. Free online tool, no signup required.

DNS Lookup

Free online DNS lookup tool. Query A, AAAA, CNAME, MX, NS, TXT, SOA, PTR records for any domain using Google DNS. Instant results, no signup required. Debug DNS issues easily.

Text to Binary/Hex Converter

Free online text to binary and hexadecimal converter. Convert text to binary, binary to text, text to hex, and hex to text instantly. Supports Unicode and emoji.

Color Format Converter

Free online color format converter. Convert between HEX, RGB, HSL, HSV, and CMYK color formats instantly. Supports batch conversion and color picker.