Developer & Data
JSON formatters, Base64 encoder, Web Crypto hashes, UUID generators, and JWT decoders. All utilities execute 100% locally inside your browser via WebAssembly and Canvas.
JSON Formatter, Beautifier & Validator
Format, beautify, validate, and minify JSON payloads with syntax error diagnostic markers.
Base64 Encoder & Decoder
Encode and decode plain text and data to Base64 with URL-safe RFC 4648 formatting.
Hash Generator (SHA-256, SHA-512, SHA-1)
Generate cryptographic hashes from input strings using the hardware-accelerated Web Crypto API.
Bulk UUID v4 Generator
Generate cryptographically random UUID v4 identifiers in bulk with uppercase, hyphen, and brace toggles.
JWT Token Decoder & Expiration Inspector
Decode JSON Web Token headers, payload claims, timestamps, and verify expiration dates privately.
cURL to Code Converter (Fetch, Axios, Python, Go, Rust)
Convert cURL command syntax into native JavaScript fetch, Axios, Python requests, Go http, and Rust reqwest.
Regex Tester & Match Visualizer
Test regular expressions in real-time with capture group extraction, flags support, and error diagnostics.
Unix Timestamp & Epoch Converter
Convert epoch seconds and milliseconds to human-readable dates (UTC, Local, ISO-8601) and vice-versa.
URL & URI Component Encoder / Decoder
Encode and decode URI strings, escape query parameters, and parse URL search query parameters.
CSS Glassmorphism & Frosted Glass Generator
Create modern frosted glass UI with backdrop-blur, specular transparency, and Tailwind CSS code.
CSS Box Shadow & Glow Generator
Design layered drop shadows, neon glows, and inset shadows with visual live interactive canvas.
SQL Query Formatter & Beautifier
Format, prettify, and indent SQL queries with uppercase keyword highlighting and custom spacing.
HTML & XML Code Minifier / Compressor
Minify and compress HTML markup, strip comments, collapse whitespace, and reduce payload size.
Strong Password & Passphrase Generator
Generate cryptographically secure random passwords with customizable length and entropy scoring.
CSS Flexbox Visualizer & Interactive Playground
Interactive CSS Flexbox sandbox with direction, alignment, justify, wrap, and Tailwind code generator.
CSS Gradient Generator (Linear & Radial)
Create smooth multi-color linear and radial CSS gradients with live angle controls and color presets.
CSS Clamp & Fluid Typography Calculator
Calculate responsive fluid font sizes using CSS clamp(min, preferred, max) with real-time viewport scaling.
HTML Entity Encoder & Decoder
Encode special characters into HTML entities (&, <, >, ") and decode entities back to text.
Pure CSS Triangle & Arrow Generator
Generate pure CSS border triangles for tooltips, modals, and speech bubbles with 8 direction modes.
Linux Chmod Permissions Calculator
Calculate Linux / Unix file permissions in octal (755, 644) and symbolic notation (rwxr-xr-x).
SEO Meta Tag & Social Card Previewer
Generate OpenGraph, Twitter card, and Google search snippet meta tags with live interactive cards.
CSV to JSON & JSON to CSV Table Converter
Bidirectional CSV and JSON tabular data converter with delimiter options and file downloads.
Fake Data & Mock JSON/CSV/SQL Generator
Generate realistic mock user data, emails, roles, companies in JSON, CSV, and SQL INSERT formats.
CSS Box Model & Padding/Margin Visualizer
Interactive nested visualizer for Margin, Border, Padding, Content with border-box / content-box modes.
JavaScript & TypeScript Code Minifier
Compress and minify JavaScript/TypeScript code by stripping comments and compacting whitespace.
JSON to TypeScript Interfaces & Types Converter
Convert JSON payloads into clean, strongly typed TypeScript interfaces with nested type inference.
CSS Grid Interactive Matrix & Layout Generator
Visual CSS Grid playground with customizable rows, columns, gaps, and instant Tailwind classes.
URL Parser & Query String Parameter Inspector
Deconstruct URLs into protocol, hostname, path, hash, and interactive query parameters table.
Multi-Algorithm Cryptographic Hash Suite
Generate SHA-256, SHA-512, SHA-384, and SHA-1 cryptographic digests with client-side Web Crypto.
CSS Cubic Bezier & Animation Timing Generator
Interactive cubic bezier curve visualizer with animation playground and standard CSS export.
JavaScript KeyCode & KeyboardEvent Live Inspector
Inspect JavaScript event.key, event.code, keyCode, which, and modifier keys on any keypress.
Bulk UUID & GUID v4 Generator
Generate up to 500 random UUID v4s at once with uppercase/lowercase and JSON array formatting.
Live DNS over HTTPS (DoH) Record Inspector
Lookup A, AAAA, MX, TXT, CNAME, NS, SOA records with real-time TTL and Cloudflare 1.1.1.1 resolver.
JSONPath & JSON Query Expression Evaluator
Extract and query nested JSON properties using JSONPath expressions with live result formatting.
Bcrypt Hash Generator & Password Verifier
Simulate bcrypt salted password hashing with customizable cost rounds (4-14) and match verification.
Docker Run to Docker Compose Converter
Convert docker run CLI commands into clean version 3.8 docker-compose.yml configurations.
HTML to React JSX Component Converter
Transform raw HTML into clean React JSX with className, htmlFor, and camelCase inline styles.
JSON Schema to TypeScript Interfaces Converter
Generate TypeScript interface and type declarations from JSON Schema Draft-07/04 definitions.
Subresource Integrity (SRI) Hash & Tag Generator
Compute cryptographic sha384, sha512, and sha256 SRI hashes for secure CDN script & style loading.
SQL INSERT to JSON & JSON to SQL Converter
Bidirectional converter between SQL INSERT statements and JSON object arrays with custom tables.
CSS Glassmorphism & Backdrop Blur Visual Studio
Interactive frosted glass generator with blur, opacity, and border controls plus Tailwind export.
HMAC Webhook Signature & Hash Playground
Generate and verify HMAC-SHA256, HMAC-SHA512 webhook signatures for Stripe and GitHub testing.
SVG to React (JSX/TSX) & CSS Data URI Converter
Convert raw SVG into reusable React JSX components with props and background-image CSS data URIs.
YAML to TypeScript Interface Converter
Generate clean TypeScript interfaces and types from YAML configuration and Kubernetes files.
Unix Epoch Timestamp Converter & Real-Time Clock
Live Unix epoch clock in seconds & milliseconds with two-way human datetime, ISO 8601, and UTC conversion.
MongoDB ObjectId Inspector & Generator Studio
Deconstruct 24-char hex MongoDB ObjectIds into timestamp, machine ID, process ID, and increment counter.
CSS Minifier & Beautifier / Formatter Studio
Compress stylesheets to remove whitespace and comments or beautify minified CSS into indented code.
Base64 to File / PDF / Image Downloader & Inspector
Decode Base64 strings and Data URLs, inspect MIME type and file size, and download as real binary files.
HTML Entities Encoder & Decoder Studio
Convert special characters to HTML entities (&, <, >) and decode entity strings into raw HTML.
User-Agent Parser & Device Hardware Inspector
Inspect and parse browser User-Agent strings to extract OS, browser version, device form factor, and engine.
Crontab Expression Generator & Schedule Visualizer
Construct, edit, and validate 5-field cron schedules with human explanations and next execution timestamps.
JWT Token Builder & HMAC Secret Signer
Construct customized JSON Web Tokens (JWT), edit header and claims, and sign with HMAC SHA-256 / 384 / 512.
WCAG Color Contrast Ratio Checker & Accessibility Studio
Calculate WCAG 2.1 contrast ratios between text and background colors with AA / AAA compliance pass badges.
JSON to Zod Schema & TypeScript Converter
Infer and generate type-safe Zod schema validation code and z.infer TypeScript types from sample JSON payloads.
IPv4 CIDR & Subnet Calculator Studio
Calculate network address, broadcast address, netmask, usable IP range, wildcard mask, and host capacity from CIDR prefixes.
UUID v7 Time-Ordered RFC 9562 Generator
Generate monotonic, time-ordered 128-bit UUID v7 identifiers optimized for database B-Tree index performance.
HTTP Security Headers & CSP Studio
Construct secure HTTP response headers (HSTS, CSP, X-Frame-Options, Permissions-Policy) with 1-click export for Nginx, Next.js, and Apache.
CSV to SQL Insert Statements Converter
Convert CSV spreadsheets and tabular data into SQL INSERT INTO statements for PostgreSQL, MySQL, SQLite, and SQL Server.
JSON Minifier & One-Liner Compressor
Strip whitespace, newlines, and indentations from JSON payloads to minimize byte size for ENV variables and APIs.
API Key, Webhook Secret & Token Generator
Generate cryptographically secure API keys, OAuth client secrets, and webhooks in Base64URL, Hex, and Alphanumeric encodings.
Hex to String & ASCII Byte Dump Inspector
Decode hexadecimal strings into readable ASCII/UTF-8 text and encode plain text into hex bytes with live memory dump viewer.
Bcrypt Hash Studio & Cost Calculator
Generate and verify bcrypt password hashes client-side with interactive cost round calculation, salt breakdown, and entropy analysis.
CSS Clip-Path Generator & Shape Studio
Create modern CSS polygon, circle, ellipse, and inset clip-paths visually with interactive draggable control points and responsive code export.
XML to JSON & JSON to XML Converter
Convert XML payloads to structured JSON and JSON objects to valid XML with customizable indentation, attribute mapping, and syntax validation.
Data Anonymizer & PII Masker
Anonymize sensitive customer records, logs, and datasets. Mask emails, phone numbers, credit cards, IP addresses, and names with 1-click privacy presets.
SemVer Calculator & Range Evaluator
Inspect SemVer 2.0.0 versions, test caret and tilde ranges (^, ~, *), bump major/minor/patch releases, and batch-sort git release tags.
String Escape & Unescape Multi-Language Studio
Escape and unescape strings for JSON, JavaScript, SQL, HTML entities, URL percent encoding, Regex, and C# strings.
SQL Table DDL to JSON Schema Generator
Convert PostgreSQL, MySQL, and SQLite CREATE TABLE statements into standard JSON Schema (draft 2020-12) with typed properties and required constraints.
CSS Fancy Border-Radius & Organic Blob Generator
Design organic fluid blobs with 8-point CSS border-radius sliders, dynamic color gradients, and copy-paste Tailwind and CSS snippets.
Tailwind CSS Color Palette & 11-Step Shade Generator
Generate complete 11-step Tailwind CSS color scales (50 to 950) from any brand hex color with contrast ratings and copy-paste tailwind.config.js snippet.
JSON Lines (JSONL) to JSON Array & CSV Converter Pro
Convert JSON Lines (.jsonl) files into standard formatted JSON arrays or CSV spreadsheets and vice versa with live row validation.
JSON Diff & Semantic Object Comparator
Compare two JSON objects side-by-side with visual line-by-line diff highlighting, key-order normalization, and addition/deletion counters.
JSON to PHP Associative Array Converter
Convert JSON payloads into clean PHP associative arrays using modern PHP 7.4+ short array syntax (['key' => 'val']) or legacy array().
Apache & Nginx .htpasswd Basic Auth Generator
Generate secure HTTP Basic Authentication .htpasswd credentials for Apache and Nginx web servers using SHA-1 and Apache MD5 algorithms.
CSS Gradient Text Generator Studio
Create modern multi-color CSS text gradients with interactive angle sliders, preset color stops, and 1-click Tailwind CSS and CSS exports.
Gzip & Brotli Bundle Size Calculator
Inspect raw vs Gzip and Brotli compressed bundle sizes, compression ratios, and 3G/4G/5G transfer latency in real-time.
SVG Repeating Pattern Background Studio
Create customizable repeating SVG background patterns (dots, grid, isometric, zigzag, blueprint) with 1-click CSS and vector downloads.
CSS Mesh Gradient Studio & Canvas
Create fluid multi-point CSS radial mesh gradients with interactive anchor coordinates, curated presets, and 1-click Tailwind export.
Robots.txt Validator & Real-Time Crawler Tester
Author, validate, and test robots.txt crawl rules against Googlebot, Bingbot, and AI scrapers with RFC 9309 path testing.
.gitignore Generator Studio
Create comprehensive .gitignore files combining official GitHub templates for Node, Next.js, Python, macOS, VSCode, and Docker.
SVG to Data URI Converter & CSS Background Studio
Convert SVG vector code into optimized UTF-8 data URIs for CSS background-image, HTML img, and Tailwind CSS without base64 bloat.
HEX to RGBA & Color Format Converter
Convert HEX color codes to RGBA, RGB, HSLA, and 8-digit HEX with interactive alpha transparency slider and live checkerboard preview.
Markdown README Badge Generator Studio
Create customizable vector badges for GitHub READMEs, open-source packages, and docs with 1-click Markdown copy.
SVG Wave Divider Generator Studio
Design smooth organic SVG wave dividers for website hero sections, footer transitions, and card backgrounds with live controls.
CSS Filter Effects Studio & Playground
Design image filter effects with sliders for blur, contrast, brightness, sepia, hue-rotate, and 1-click CSS code export.
Tailwind CSS Grid Visual Generator
Build responsive 12-column CSS Grid layouts visually with interactive column and row span controls, gaps, and instant JSX copy.
TOML to JSON & JSON to TOML Converter
Bi-directional parser and converter between TOML configuration format and structured JSON with syntax validation.
JSON to GraphQL Schema Generator
Infer GraphQL types, queries, inputs, and mutations instantly from sample JSON payloads and API responses.
CSS Neumorphism (Soft UI) Studio
Design soft UI / neumorphic components with realistic shadows, concave/convex gradients, adjustable light angles, and instant CSS export.
Tailwind CSS Color Palette Generator
Generate complete 11-shade Tailwind CSS palettes (50–950) from any base hex color with WCAG contrast verification and config export.
Cron Expression Tester & Schedule Visualizer
Inspect crontab syntax with human-readable schedule translations and forecast upcoming execution timestamps in real time.
JSON to Zod Schema & TypeScript Converter
Convert JSON payloads into strict runtime Zod schemas with inferred TypeScript types, email/url detection, and integers.
CSS Glassmorphism Studio & Generator
Design frosted glass UI elements with backdrop blur, specular highlights, customizable stage backgrounds, and instant CSS/Tailwind exports.
cURL to Fetch, Axios & Python Converter
Convert cURL terminal commands into modern JavaScript Fetch API, Axios requests, and Python Requests code snippets.
JWT Debugger & Decoder Studio
Decode JSON Web Tokens locally with real-time expiration inspection, claim viewing, and zero-upload client privacy.
CSS Triangle & Tooltip Arrow Generator
Generate lightweight pure CSS triangles and directional tooltip arrows using transparent border geometry with instant code copy.
Open Graph & Social Meta Preview Studio
Preview and validate how your web pages appear on Twitter/X, Facebook, LinkedIn, and Discord with live HTML meta tag generation.
Linux Permissions & Chmod Calculator
Calculate Linux octal file permissions (e.g. 755, 644), symbolic notations, and terminal chmod commands with visual permission checkboxes.
SQL Schema to TypeScript Interface Converter
Transform PostgreSQL, MySQL, and SQLite CREATE TABLE DDL queries into strictly typed TypeScript interfaces and type definitions.
CSV to JSON Schema Converter
Infer production-ready JSON Schema (Draft 2020-12) specifications automatically from raw CSV tabular data.
Tailwind & CSS Fluid Typography Clamp Calculator
Calculate seamless CSS clamp() responsive typography between mobile and desktop screen widths without jarring media query breakpoints.
HTTP Status Code Inspector & Diagnostics
Search and inspect HTTP response codes, RFC specifications, cacheability rules, retry strategies, and developer resolution guides.
Regular Expression Library & Live Tester
Curated library of battle-tested regular expressions for emails, passwords, URLs, IPs, and SemVer with real-time matching and code generation.
CSS Cubic Bezier Easing Curve Generator
Design custom animation acceleration curves with interactive SVG control handles, live motion preview, and Tailwind CSS exports.
User-Agent Parser & Device Inspector
Analyze and parse raw browser User-Agent strings to extract browser version, operating system, device type, rendering engine, and crawler bots.
CSS Aspect Ratio Calculator & Resizer
Calculate simplified aspect ratios (16:9, 4:3, 1:1), proportional dimensions, and export modern CSS aspect-ratio properties.
JSON Minifier & Beautifier Studio
Compress JSON payloads to 1-line strings to save bandwidth, or beautify compact JSON with customizable 2-space, 4-space, or tab indentation.
URL Component Inspector & Query Parameter Studio
Deconstruct web URLs into protocol, host, port, path, and hash with an interactive query parameter builder and cURL generator.
XML Sitemap Generator & Validator Studio
Create, validate, and download Google-standard XML sitemaps (<urlset>) for Search Console with priority & changefreq controls.
Apache .htaccess Redirect & Security Rules Studio
Generate battle-tested Apache rewrite directives: Force HTTPS, www/non-www redirects, 301 SEO redirects, security headers, and Gzip compression.