Developer

Format, validate, and beautify JSON data online. JSON pretty printer with syntax highlighting, error detection, minify/compress options. Free JSON formatter and validator for developers.

Convert raw JSON objects instantly into clean, nested TypeScript interfaces and type definitions.

Translate raw SQL CREATE TABLE statements into clean Prisma ORM models and schema definitions.

Decode JSON Web Tokens (JWT) locally and run live AI security risk audits for algorithm vulnerabilities and payload data leaks.

Test regular expressions against live sample strings and generate plain-English breakdowns of regex syntax with live AI inference.

Audit .env files for leaked production API keys, hardcoded database credentials, and NEXT_PUBLIC prefix vulnerabilities with live AI inference.

Audit JavaScript, TypeScript, Python, and SQL code for security vulnerabilities, memory leaks, and performance refactoring with live AI inference.

Decode and inspect JWT (JSON Web Tokens) safely in your browser. View header, payload, and signature of JWT tokens. Validate token structure and debug authentication issues without sending data to servers.

Test and debug regular expressions online with real-time matching. RegEx tester with syntax highlighting, match groups, and test cases. Support for JavaScript, Python, PHP regex patterns.

Generate MD5, SHA1, SHA256, SHA512, and other cryptographic hashes online. Hash text, files, and passwords with multiple algorithms. Free hash calculator and checksum generator.

Generate Lorem Ipsum placeholder text for design mockups and testing. Create paragraphs, sentences, or words of dummy text. Lorem Ipsum generator with word count control.

Generate strong, random passwords with custom length and character sets. Secure password generator with uppercase, lowercase, numbers, and special characters. Create cryptographically secure passwords.

Generate unique UUIDs (v4), NanoIDs, and short IDs online. Create universally unique identifiers for databases, APIs, and distributed systems. Bulk UUID generator with copy-to-clipboard.

Convert UNIX timestamps to human-readable dates and vice versa. Timestamp converter supporting milliseconds, seconds, and ISO 8601 formats. Time zone aware date converter.

Convert between HEX, RGB, HSL, and CMYK color formats. Color picker and converter with live preview. Extract colors from images and generate color palettes for web design.

Compare two text files and find differences line-by-line. Text diff tool with syntax highlighting for code comparison. Find changes, additions, and deletions between versions.

Preview Markdown syntax and convert to HTML in real-time. Markdown editor with GitHub-flavored markdown support, syntax highlighting, and export options. Live markdown renderer.

Collection of useful regular expression patterns for email, URL, phone, credit card validation, and more. Ready-to-use regex patterns with explanations and test cases.

Test REST API endpoints without Postman. Send GET, POST, PUT, DELETE requests with custom headers, body, and authentication. Free online API testing tool for developers.

Convert YAML to JSON and JSON to YAML online. YAML parser and converter with syntax validation and formatting. Perfect for configuration files and data transformation.

Convert CSV files to JSON format with automatic header detection. Transform tabular data to JSON arrays or objects. Supports custom delimiters and bulk CSV processing.

Convert numbers between binary, octal, decimal, and hexadecimal bases. Base converter with support for negative numbers and fractional values. Programmer's calculator for number systems.

Generate beautiful color palettes and schemes online for free. Create complementary, analogous, triadic, and monochromatic palettes. Extract colors from images. Export as CSS variables, HEX, RGB, or HSL.

Build and validate cron expressions visually. Generate cron schedules with a user-friendly UI, see next run times, and get human-readable descriptions. Supports standard 5-field and extended 6-field cron.

Convert HTML to Markdown and Markdown to HTML instantly. Supports headings, links, images, lists, tables, code blocks, and more. Bidirectional converter with live preview. Free online tool.

Simulate how colors appear to people with color blindness. Test hex colors against Protanopia, Deuteranopia, Tritanopia, and Achromatopsia. Essential accessibility tool for designers and developers.

Validate JSON data against a JSON Schema. Real-time validation with error paths. Preset schemas for users, APIs, and configs. Checks types, required fields, enums, and constraints.

Create CSS gradients visually. Linear and radial modes with multiple color stops. Adjustable angle. Live preview. Preset gradients. Copy CSS and Tailwind syntax. Random gradient button.

Visual CSS box-shadow editor with sliders for offset, blur, spread, and color. Multiple shadows, inset toggle. Preset shadows: subtle, neon glow, layered. Copy CSS and Tailwind output.

Paste a cron expression and get a human-readable explanation. Shows next 5 run times. Color-coded fields. Common presets included. Validates syntax.

Visual .env file editor. Paste content or add key-value pairs. Table and raw views. Duplicate key detection. Export as .env or JSON. Syntax validation.

Escape and unescape strings for HTML, URL, JavaScript, JSON, XML, SQL, CSS, Base64. Bidirectional conversion. Copy output instantly.

Check if popular APIs and services are reachable. Pre-loaded services: Google, GitHub, AWS, Cloudflare, Vercel, NPM. Custom URL checking. Visual status indicators.

Minify HTML, CSS, and JavaScript code. Shows original vs minified size with savings percentage. Remove comments, whitespace, and newlines.

Interactive CSS Flexbox layout builder. Visual container with items. Controls for direction, justify, align, wrap, gap. Live CSS output.

Visual CSS Grid layout generator. Set columns, rows, gap. Define grid-template with fr, px, auto. Span cells. Generate and copy CSS.

Encode and decode HTML entities. Named vs numeric toggle. Common entities reference table. Auto-detect mode. Batch processing.

Comprehensive regex quick reference. Character classes, anchors, quantifiers, groups. Interactive test area. Common patterns library.

Complete HTTP status code reference. 1xx-5xx grouped by category. Color-coded. Search by code or name. Quick lookup. Copy entries.

Generate CSS keyframe animations visually. Fade, slide, bounce, pulse, spin, shake. Duration, delay, timing controls. Live preview. Copy CSS.

Format and beautify SQL queries. Uppercase keywords, proper indentation. Handles SELECT, INSERT, UPDATE, DELETE, JOIN. Copy formatted SQL.

Visual CSS flexbox layout generator. Flex direction, justify content, align items, flex wrap, gap. Add/remove items. Copy CSS.

Inspect JavaScript keyboard event properties: key, code, keyCode, location, modifiers. Interactive virtual keyboard. Event history log.

Convert cURL command line requests into JS Fetch, Axios, Node.js, Python requests, Go, PHP, Rust code snippets.

Parse User-Agent strings. Browser, OS, device type, engine detection. Auto-detect current browser UA. Preset sample UA strings.

Interactive 3D CSS transform generator. Sliders for rotateX, rotateY, rotateZ, scale, skew, translate, perspective. Live 3D preview.

Interactive CSS clip-path generator. Polygon, circle, ellipse, inset, star, hexagon, arrow. Live handles, CSS output.

Visual generator for CSS filter effects. Blur, brightness, contrast, drop-shadow, grayscale, hue-rotate, invert, opacity, saturate, sepia.

Visual generator for CSS box-shadow and text-shadow. Multiple shadow layers, inset toggle, presets (soft glow, neumorphism, material, neon).

8-point fancy blob and custom CSS border-radius generator. Organic blobs, pills, badges, leaves, live animation preview.

Visual generator for CSS 2D transforms. Translate, scale, rotate, skew, transform-origin, presets, and live transition preview.

Interactive visual CSS Flexbox builder. Flex direction, wrap, justify-content, align-items, gap, item order & shrink, live CSS snippet.

Interactive visual CSS Grid builder. Grid template columns, rows, gap, item positioning, column/row span, presets, live CSS snippet.

Visual generator for CSS Glassmorphism effects. Backdrop blur, opacity, saturation, borders, shadows, live card preview.

Visual CSS @keyframes animation generator. Custom keyframe steps, pulse, bounce, shake, flip, rotate, and timing controls.

Visual CSS typography generator. Text shadow 3D, WebKit text-stroke, gradients, uppercase/lowercase, letter spacing, presets.

Visual generator for 3D CSS transforms and perspective. RotateX/Y/Z, translateZ, perspective origin, 3D card tilt presets.

Visual multi-animation builder for chaining multiple @keyframes on a single CSS element with layer animation controls.

Visual CSS keyframe animation timeline builder. Custom keyframes, cubic-bezier timing, property controls, and live element preview.

Visual CSS keyframe animation timing curve builder. Cubic-bezier parameters, easing presets, speed duration, and live ball preview.

Pick any color and get HEX, RGB, HSL codes instantly. Free online color picker with color name detection, complementary colors, and recent color history.

Convert JSON arrays to CSV format instantly. Choose delimiters, flatten nested objects, download CSV files. Free online JSON to CSV converter — no signup.

Write and preview Markdown in real time. Free online Markdown editor with live HTML preview, toolbar, word count, and export to .md file. No signup required.

Create modern CSS box shadows, multi-layered drop shadows, and frosted Glassmorphism cards with real-time UI sliders. Copy production-ready CSS code instantly.

Design multi-color fluid mesh gradients with real-time canvas preview and 1-click CSS / Tailwind CSS export.

Clean up SVG code, remove comments, minify vector paths, and convert raw SVG code into production-ready React/TypeScript JSX components.