Dev Tools

IPv4 network, broadcast, host range, wildcard and binary breakdown, for any CIDR or mask.

Crypto-secure passwords with custom length, classes, and a live entropy meter.

Encode any text or bytes to Base64 and decode back.

Generate box-shadow and glassmorphism CSS visually. Interactive sliders, live preview on light/dark/checkered backgrounds, and one-click copy.

Convert hex color codes to RGB, HSL, and all CSS color formats instantly.

Convert Unix epoch timestamps to human-readable dates and back. Live clock, seconds and milliseconds, UTC and local time.

Beautify, minify, and validate JSON instantly. Get precise line-and-column error messages, configurable indentation, sort-keys option, and a data type reference.

Convert JSON to YAML and YAML to JSON instantly with real-time formatting, precise error detection, and JSON minification. Runs entirely in your browser.

Decode and analyze JSON Web Tokens (JWT) instantly online. View header, payload, and signature details entirely in your browser with expiration countdown.

Parse any URL instantly into its protocol, host, path, and query parameters. Edit, add, or delete query parameters in an interactive table and rebuild the URL in real-time.

Translate cron expressions into plain English and preview the next 10 scheduled execution times in local and UTC time, with real-time countdown.

Paste any SQL query to instantly beautify it with proper indentation and keyword casing, or minify it to a compact single line. Supports MySQL, PostgreSQL, PL/SQL, T-SQL, SQLite, and Snowflake.

Build and edit GitHub-Flavored Markdown tables visually. Add rows, columns, and alignment controls, then copy the formatted GFM output — with Markdown import support.

Compare two text inputs side-by-side or inline to find and highlight the differences, additions, and deletions instantly.

Design and build modern CSS Flexbox and Grid layouts visually. Adjust properties with interactive sliders and copy the clean HTML/CSS code.

Parse any User Agent string to extract browser, OS, device, and rendering engine. Auto-detects your own device and shows live client metrics: screen size, DPR, timezone, touch support, and more.

Encode plain text to HTML entities (named, decimal, or hex) or decode entities back to characters. Choose essential, extended, or full encoding scope.

Beautify, minify, and validate XML with precise line-and-column error reporting. Uses the browser's native DOMParser — nothing leaves your device.

Test regular expressions in real-time with inline match highlighting, capture-group breakdown, plain-English token explanations, and a clickable cheatsheet.

Visualize and calculate Linux file permissions interactively. Toggle read, write, and execute bits for owner, group, and others to generate chmod numeric modes and symbolic commands.

Generate cryptographically secure bcrypt hashes from any plaintext and verify that a plaintext matches a stored hash. Tune the salt-rounds cost factor — fully client-side.

Convert any text into a clean, URL-friendly slug — lowercase, hyphenated, Unicode-normalized, with optional stop-word removal.

Press any key to instantly inspect its keyCode, e.key, e.code, location, and modifier flags. Interactive keyboard event viewer for JavaScript developers.

Build a robots.txt file visually. Select user-agents, set Allow/Disallow rules for specific paths, add a Sitemap URL, and download the ready-to-deploy file instantly.

Generate the complete HTML meta tags for Open Graph and Twitter Cards. Control exactly how your page appears when shared on Facebook, Twitter, LinkedIn, and Slack.

Generate production-ready Apache .htaccess redirect rules instantly. Force HTTPS, manage www redirects, add custom 301 redirects, and configure a 404 error page — all client-side.

Convert XML to formatted JSON instantly — or flip it and convert JSON back to XML. Attributes become @attributes, repeated siblings become arrays. Two-way, real-time, client-side.

Remove whitespace, comments, and redundant characters from HTML and CSS instantly. See exactly how many bytes you save — fully client-side.

Generate Google Analytics UTM-tagged campaign URLs instantly. Add source, medium, campaign, term, and content parameters — encoded correctly by the browser's native URL API.

Write Markdown and see the rendered HTML preview in real-time. Includes a formatting toolbar, Raw HTML view, one-click copy, and a full GFM parser supporting headings, tables, code blocks, lists, and more.

Upload any image and instantly extract its dominant color palette using k-means clustering on canvas pixel data. Get hex, RGB, and HSL codes — export as CSS variables or Tailwind config.