Free Developer Tools

Fast browser-based utilities for developers, builders and AI enthusiasts. 26 tools, no signup, everything runs locally in your browser — your data never leaves your device.

JSON Formatter Format, validate, and beautify your JSON data instantly. Developer FREE
JSON to YAML Convert between JSON and YAML instantly — both directions, in your browser. Developer FREE
JWT Decoder Decode JWT tokens and inspect headers, payloads, and expiry dates locally. Security FREE
XML Formatter Format, minify, and validate XML with proper indentation. Developer FREE
URL Parser Break any URL into protocol, host, path, and query parameters. Developer FREE
HTML Entity Converter Escape and unescape HTML entities — convert code to safe display text. Developer FREE
Image to Base64 Convert any image to a Base64 data URI — private, in your browser. Developer FREE
Word Counter Count words, characters, sentences, and paragraphs in real time. Writing FREE
Password Generator Generate secure, cryptographically random passwords with strength meter. Security FREE
Color Picker Pick colors and get HEX, RGB, and HSL values with palette suggestions. Design FREE
Base64 Encoder/Decoder Encode and decode Base64 strings instantly in your browser. Developer FREE
URL Encoder/Decoder Encode and decode URLs and query strings safely. Developer FREE
Lorem Ipsum Generator Generate placeholder text (Lorem Ipsum) for designs and mockups. Design FREE
QR Code Generator Create QR codes for URLs, text, and Wi-Fi with custom colors. Utility FREE
Hash Generator Generate MD5, SHA-1, and SHA-256 hashes from any text. Security FREE
Text Case Converter Convert text between UPPERCASE, lowercase, Title Case, and Sentence case. Writing FREE
UUID Generator Generate random v4 UUIDs instantly with one click copy. Developer FREE
JSON to CSV Convert JSON arrays to CSV format for spreadsheets instantly. Developer FREE
Regex Tester Test regular expressions against sample text with match highlighting. Developer FREE
Markdown Preview Write Markdown and see the rendered preview side by side. Developer FREE
CSS Minifier Compress and beautify CSS with size-savings stats. Developer FREE
Timestamp Converter Convert Unix timestamps to human dates and back, live as you type. Developer FREE
IP Lookup Look up any public IP address — location, ISP, and timezone. Utility FREE
Random Number Generator Generate random numbers in any range, decimals or integers, dice mode. Utility FREE
HTML to Text Strip HTML tags and extract clean plain text from markup. Developer FREE
Text Diff Checker Compare two texts and highlight added/removed lines. Writing FREE

Pair these utilities with our curated AI tools directory — coding assistants, writing tools, image generators and more.