Developer Tools
Code formatters, minifiers, encoders, and syntax tools. Every tool runs 100% locally in your browser so your data never leaves your device.
Developer Tools
JSON Formatter & Validator
Beautify, validate, format, and inspect JSON with syntax error pointers and interactive tree view.
XML Formatter
Indent, beautify, and format messy XML documents with customizable nesting depth.
CSS Minifier
Compress CSS stylesheets by removing whitespace, comments, and redundant rules for faster load times.
JavaScript Minifier
Minify JavaScript code to reduce file payload size while preserving execution logic.
HTML Formatter / Minifier
Beautify messy HTML with clean indentation or minify markup to reduce page load weight.
SQL Formatter
Format complex SQL queries with standardized keyword capitalization and indentation.
Base64 Encoder / Decoder
Encode plain text or binary strings to Base64 and decode Base64 back to UTF-8 text.
URL Encoder / Decoder
Encode special characters for URLs (percent-encoding) or decode percent-encoded query strings.
HTML Entity Encoder / Decoder
Convert special characters to HTML entities (&, <, >) and decode entities back to text.
UUID Generator
Generate cryptographically secure random UUID v4 and v7 identifiers in bulk.
Text Hash Generator
Compute cryptographic hashes (SHA-256, SHA-512, SHA-384, SHA-1, MD5) for any text.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) headers, payload claims, and expiration dates.
Timestamp Converter
Convert between UNIX epoch timestamps (seconds/milliseconds) and human-readable dates.
Regex Tester
Test, debug, and optimize regular expressions with real-time match highlighting and capture groups.
HTML Live Preview / Playground
Write HTML, CSS, and JavaScript in an interactive split-screen playground with instant live rendering.
Markdown Editor & Preview
Dual-pane Markdown authoring editor with real-time GitHub Flavored preview and word statistics.
CSS Gradient Generator
Design multi-stop linear, radial, and conic CSS gradients with copyable cross-browser code.
Box Shadow Generator
Create smooth layered CSS box shadows with interactive blur, spread, and inset controls.
Meta Tag Generator
Generate complete HTML `<head>` meta tags for search engine optimization and social sharing.
.gitignore Generator
Generate tailored .gitignore files from 100+ language, framework, and operating system templates.
Cron Expression Explainer
Translate cryptic cron expressions into human-readable English and preview future run times.
User-Agent Parser
Parse, inspect, and analyze browser User-Agent strings to extract browser, OS, engine, and device.
JSON to TypeScript / PHP
Convert JSON sample payloads into strongly-typed TypeScript interfaces or PHP 8.2 classes.
HTTP Status Code Reference
Searchable dictionary and reference guide for all standard HTTP status codes and headers.
