Developer, Code & Web Engineering Tools
Essential browser-based utilities for developers: JSON formatters, CSS generators, SQL sanitizers, and encoding suites.
URL Query Parameter Parser & Object Builder
Parse, edit, inspect, and transform URL query strings into JSON, TypeScript interfaces, and encoded URLs client-side.
BCRYPT Password Hash Generator & Salt Verifier
Client-side Blowfish key-derivation engine with real-time salt breakdown and constant-time equality check.
JSON to TypeScript Converter
Instantly convert JSON objects and mock responses into clean, fully-typed TypeScript interfaces and type aliases.
JSON Schema Generator from Mock JSON Data
Infer Draft-07 and Draft 2020-12 validation schemas from mock JSON data.
CSS Keyframe Animation Visualizer & Code Exporter
Visual keyframe animation timeline builder with real-time preview and CSS/Tailwind export.
Tailwind CSS Color Palette Generator & Config Exporter
Generate harmonious 11-stop color scales and export configuration code for Tailwind CSS v3, v4 @theme, and CSS custom properties.
CSS Neumorphism Soft UI Generator
Interactive Soft UI and Neumorphism CSS generator. Design extruded surfaces, convex shapes, and dual-shadow physics with CSS and Tailwind output.
CSS Glassmorphism & Backdrop Blur Generator
Interactive frosted glass backdrop-filter generator with instant CSS and Tailwind utility export.
Responsive CSS Clamp() & Fluid Typography Calculator
Calculate precision fluid typography and dynamic CSS clamp() linear interpolation rules with live preview.
Chmod Permissions Calculator
Interactive Linux/Unix chmod permission calculator with octal, symbolic notation, special bit modifiers, and CLI generators.
Keycode & Event Inspector
Real-time JavaScript keyboard event inspector with event.key, event.code, deprecated keycodes, and React code snippet generators.
Pixels to REM / EM Converter
Convert CSS pixel dimensions to responsive REM and EM units with instant batch CSS replacement.
Screen Resolution & Aspect Ratio Calculator
Calculate display aspect ratios, custom dimension scaling, PPI density, and responsive CSS snippets.
User-Agent String Parser & Inspector
Decode browser versions, operating systems, hardware architecture, layout engines, and AI bot crawlers from HTTP User-Agent strings.
Robots.txt Generator & Validator
Generate RFC 9309 compliant robots.txt files, block AI scrapers, and test crawl URL paths in real time.
HTACCESS Directives & Rewrite Rules Generator
Generate production-ready Apache .htaccess rules with 301 redirects, HTTPS enforcement, GZIP, and security headers.
HTML Table Code Generator
Interactive visual HTML table builder with Tailwind, CSS, React TSX, and Markdown export.
CSS Triangle & Polygon Generator
Interactive pure CSS border triangle and CSS3 clip-path polygon generator with draggable vertices.
CSS Grid Generator & Interactive Builder
Design responsive 2D layouts visually with fractional tracks, minmax constraints, and instant CSS/Tailwind export.
CSS Flexbox Layout Sandbox
Visual interactive Flexbox layout builder and real-time CSS/Tailwind generator.
CSS Border Radius & Clip-Path Generator
Visual 8-point organic blob creator, complex corner radius generator, and CSS polygon clip-path builder with instant Tailwind and cross-browser CSS export.
CSS Gradient Generator
Design and export CSS linear, radial, and conic gradients with Tailwind support and 1080p image exports.
CSS Box Shadow & Glow Generator
Design multi-layer CSS box shadows, inset depth, neumorphism, and neon glow effects with instant Tailwind CSS and React export.
Color Picker & Contrast Checker (WCAG)
Inspect color contrast ratios against WCAG 2.1 and Section 508 accessibility guidelines with live HSL/RGB sliders and color vision deficiency simulations.
RGB to Hex Converter
Convert RGB to Hex and Hex to RGB in real-time with alpha opacity support and color picking.
YAML to JSON & JSON to YAML Converter
Convert YAML to JSON and JSON to YAML instantly with beautify and minify modes. Pure TypeScript YAML parser and stringifier — 100% client-side, zero external dependencies.
HTML & CSS Minifier & Unminifier
Minify, unminify, compress, and beautify HTML markup and CSS stylesheets instantly with pure TypeScript tokenization engines — 100% client-side, zero external dependencies.
HTML to Markdown & Markdown to HTML Suite
Convert HTML to Markdown and Markdown to HTML instantly with pure TypeScript DOMParser and regex-based conversion engines — 100% client-side, zero external dependencies.
JSON to CSV & CSV to JSON Converter
Convert JSON to CSV and CSV to JSON instantly with custom delimiters, nested object flattening, real-time reactive conversion, dynamic size metrics tracking, and drag-and-drop file ingestion — 100% client-side.
JavaScript Formatter, Beautifier & Minifier
Format, beautify, and minify JavaScript code instantly with a pure TypeScript lexical tokenization engine — 100% client-side, zero external dependencies.
CSS Formatter, Beautifier & Minifier
Format, beautify, and minify CSS code instantly with a pure TypeScript lexical tokenization engine — 100% client-side, zero external dependencies.
HTML Formatter, Beautifier & Validator
Format, beautify, minify, and validate HTML markup instantly with pure client-side processing.
Markdown to HTML Converter & Previewer
Convert Markdown to clean, semantic HTML instantly with a live preview. Pure TypeScript regex-based compiler — zero external dependencies, 100% client-side.
Diff Checker & Text Comparison Tool
Compare text differences with precision — line-by-line or character-by-character. Split and unified views with real-time performance metrics.
Regex Tester, Explainer & Cheat Sheet
Test, debug, and explain regular expressions in real-time with native JavaScript RegExp engine, flag toggles, match highlighting, group captures, and a comprehensive syntax cheat sheet — 100% client-side.
SQL Formatter & Query Beautifier
Format, beautify, validate, and minify SQL queries with multi-dialect support (Standard SQL, MySQL, PostgreSQL, T-SQL) — 100% client-side tokenization and parsing.
Cron Expression Generator & Explainer
Generate and explain cron expressions with real-time human-readable translations, next execution dates, and custom schedulers.
Unix Timestamp Converter & Epoch Calculator
Convert Unix epoch timestamps to human-readable dates and vice versa with real-time live ticker, precision detection, and relative time calculations — all 100% client-side.
JWT Decoder, Inspector & Payload Auditor
Decode JSON Web Tokens (JWT) locally to inspect header parameters, payload claims, and expiration timestamps without transmitting secret keys over the wire.
XML Formatter, Validator & Viewer
A premium, secure client-side workbench to format, validate, beautify, minify, and view XML documents locally and securely.
JSON Formatter, Validator & Viewer
A premium, secure client-side workbench to validate, beautify, compact, and inspect JSON data structures instantly.
HTML Entity Encoder / Decoder Suite
Convert special HTML characters (&, <, >, quotes) into secure HTML entities and decode numeric or named entities back into raw markup safely in real time.
URL Encoder / Decoder & URI Sanitizer
Encode special characters into percent-encoded URI strings or decode encoded URLs back to human-readable paths in real time. 100% client-side web utility.
Base64 Encoder / Decoder & String Sandbox
Encode plain text to Base64 or decode Base64 strings back to readable format instantly. Supports UTF-8 strings, line breaks, and live byte metrics locally in your browser.
SHA Hash Generator & Checksum Tool Suite
Generate SHA-1, SHA-256, SHA-512, and SHA-3 (256/512) hashes locally and securely. Verify checksums and analyze text or files entirely in-browser.
MD5 Hash Generator & Checksum Tool
Compute secure RFC 1321 MD5 hashes instantly from text strings, bulk multi-line inputs, or local files — 100% client-side with zero server transmission.
Client-Safe Syntax Formatting
Analyze and clean your code structures safely. Our formatters parse JSON, XML, SQL, HTML, CSS, and JavaScript using local TypeScript tokenizers. Clean nested syntax, minify stylesheets, or parse complex databases instantly.
Cryptographic Integrity Auditing
Generate MD5, SHA-1, SHA-256, SHA-512, or SHA-3 hashes in real-time. Verify files or text checksums against software packages directly. The entire process runs client-side, making it ideal for checking proprietary files.
Regular Expression & Logic Testing
Test your expressions using live JavaScript RegExp engines. View match highlighting, capturing groups, and execution speeds instantly, supported by a comprehensive syntax cheat sheet to build complex parameters.
Data Format Conversion Suite
Symmetrically convert between YAML and JSON, or JSON and CSV in a split-screen workspace. Adjust delimiters, flatten object hierarchies, and export files directly with single-click triggers.
Frequently Asked Questions
- Is it safe to format proprietary JSON or XML code here?
- Yes, 100% safe. The formatting and linting operations happen locally. No network requests are sent with your code, keeping your intellectual property completely secure.
- How does the JWT Decoder handle secure tokens?
- The decoder splits the JSON Web Token structure (header, payload, signature) using client-side base64 url-decoding. No keys or tokens are stored or sent anywhere.
- Does the SQL Formatter support multiple dialects?
- Yes, you can format queries tailored for Standard SQL, PostgreSQL, MySQL, and Microsoft SQL Server (T-SQL) with customized indentation spacing.