Developer Tools
Formatters, validators, encodings, security utilities, and code tools.
JSON Formatter & Validator
Prettify, validate, minify, and inspect JSON with syntax highlighting and tree view.
JWT Debugger & Decoder
Decode JSON Web Tokens (JWT), inspect headers, payloads, claims, and expiry dates.
Base64 Encoder / Decoder
Encode strings to Base64 or decode Base64 data with full UTF-8 Unicode support.
Hash Generator
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) for any text input.
UUID / GUID Generator
Bulk generate cryptographically secure UUID v4 identifiers with custom formatting.
URL Encoder / Decoder
Percent-encode special URI characters or decode URL-encoded query strings.
Regex Tester & Debugger
Test regular expressions with real-time match highlighting, flags, and capture groups.
SQL Formatter & Beautifier
Format, indent, and prettify messy SQL queries for PostgreSQL, MySQL, and SQLite.
Text Diff Checker
Compare two text snippets or code blocks to see additions, deletions, and line changes.
Chmod Permissions Calculator
Calculate Linux and Unix file permissions (e.g., 755, 644) with read, write, execute checkboxes.
HTML Entity Encoder / Decoder
Convert special characters (&, <, >, quotes) into HTML entities and decode them back.
Cron Expression Generator
Generate standard Unix/Linux cron expressions with visual controls and human-readable translation.
XML Formatter & Validator
Prettify, validate, and minify XML data with syntax checks and indentation control.
Unix Timestamp (Epoch) Converter
Convert epoch timestamps (seconds and milliseconds) to human UTC & local dates and vice versa.
.gitignore Generator
Generate tailored .gitignore files for Node, Python, Next.js, Rust, Go, macOS, and IDEs.
SEO & Social Meta Tag Generator
Generate Google SEO and Social Open Graph / Twitter Card meta tags with live snippet preview.
Prisma to ERD Generator
Generate interactive visual Entity Relationship Diagrams (ERD) from Prisma schemas with SVG & Mermaid export.
SQL to Prisma Schema Converter
Convert PostgreSQL, MySQL, and SQLite CREATE TABLE DDL statements into Prisma Schema models.
Prisma to SQL DDL Converter
Compile Prisma schema models into executable PostgreSQL, MySQL, or SQLite CREATE TABLE statements.
JSON to Prisma Schema Generator
Infer Prisma schema models, scalar types, and relational foreign keys directly from raw JSON payloads.
AI Prompt Generator & Optimizer
Engineer high-converting master prompts for Midjourney v6, DALL-E 3, ChatGPT-4o, and Claude 3.5 Sonnet.
JSON Syntax Validator
Strict RFC 8259 JSON syntax validator with instant error detection and line/column pointer debugging.
JSON to Visual Tree Viewer
Transform raw JSON into an interactive, collapsible, color-coded visual hierarchy tree view.
Code Beautifier & Formatter
Format and indent messy JavaScript, CSS, HTML, and SQL snippets with consistent spacing.
Code Minifier & Compressor
Strip comments, spaces, and line breaks from code snippets to minimize file size and transfer payload.
Live CSS Playground & Sandbox
Real-time CSS stylesheet editor with live HTML preview container and instantaneous visual feedback.
XPath Expression Tester
Evaluate and test XPath 1.0/2.0 expressions against XML and HTML documents with live node matches.
HTTP Cookie Header Parser
Parse raw HTTP Cookie and Set-Cookie headers into clean key-value pairs with security attributes.
Webpage Link & Anchor Extractor
Extract all unique hyperlink URLs, anchor tags, and internal/external references from raw HTML code.
On-Page SEO Tag Inspector
Inspect title tags, meta descriptions, canonical URLs, and OpenGraph tags directly from HTML code.