Developer Tools
A collection of essential utilities for web developers and programmers. Format JSON, decode JWT tokens, generate UUIDs, test regex patterns, and more — all in your browser.
9 Tools
Unix Timestamp
Convert Unix timestamps to human-readable dates and vice versa. Live current timestamp and batch conversion support.
JSON Formatter
Format, minify, and validate JSON with tree view and JSON Path evaluation. Syntax error highlighting with line numbers.
JWT Decoder
Decode JWT tokens and inspect header, payload, and signature. Expiry countdown, claim explanations, and field copying.
UUID Generator
Generate random UUID v4 identifiers. Bulk generation, multiple format options, and version information.
Color Converter
Convert between HEX, RGB, and HSL color formats with live preview. Includes palette generator and contrast checker.
Code Beautifier
Format (beautify) or minify HTML, CSS, and JavaScript code. Auto language detection and before/after comparison.
Password Generator
Generate strong, random passwords with customizable length and character sets. Includes strength meter and entropy display.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text by paragraphs, sentences, words, or characters. Supports HTML markup output.
QR Code Generator
Generate QR codes for URLs, text, WiFi credentials, vCards, and more. Customize colors and download as PNG or SVG.
Browser-Based Developer Utilities
Format and minify JSON with tree view, decode JWT tokens with expiration alerts, generate UUIDs in bulk, convert colors between HEX/RGB/HSL with live preview, beautify HTML/CSS/JS code, create strong passwords with entropy analysis, and generate QR codes for any content type. All tools run client-side for maximum privacy and speed.