Generate .env and .env.example files from framework templates for Next.js, Node.js, Django, FastAPI, Laravel, and more. Auto-generates cryptographically random secrets.
Look up A DNS records for any domain and verify IPv4 address mapping with TTL values. Instantly check DNS A record propagation and IP assignments.
Look up AAAA DNS records for any domain and verify IPv6 address mapping with TTL values - free, browser-based, no data stored.
API key generator that creates cryptographically secure keys in your browser with crypto.getRandomValues. Set a prefix, length, and character set, generate up to 100 at once, see entropy in bits.
Check a domain's CAA DNS records to see which certificate authorities can issue SSL certificates - free tool, no account required.
Check CNAME DNS alias records for subdomains and verify canonical host targets. Useful for debugging CDN, custom domains, and subdomain redirects.
Create stunning 3D CSS cubes with visual editor. Generate complete HTML and CSS code for interactive 3D cube animations.
Create beautiful gradient text effects with CSS. Customize colors, direction, font size, and weight with a live preview. Copy CSS or HTML code instantly.
Generate pure CSS loading animations - spinners, dots, pulse, bars, ripple, and ellipsis. Customize color, size, and speed. Copy CSS and HTML instantly.
CSS selector tester matches your selector against pasted HTML and highlights every element it selects instantly. Debug selectors before shipping. Free, browser-based, no signup.
Convert CSV data to a clean HTML table with Bootstrap-compatible classes. Supports bordered, striped, and responsive options. Copy or download instantly.
Check DKIM TXT records by selector and domain to verify email signing configuration and public key tags - no signup required.
Check and parse the DMARC DNS TXT record for any domain to verify email authentication policy, alignment settings, and reporting addresses.
Look up DNS records for any domain. Query A, AAAA, CNAME, MX, NS, TXT, and SOA records instantly using Google Public DNS. Essential for domain troubleshooting.
Query DNSKEY records for any domain and inspect DNSSEC public key metadata including flags, protocol, and algorithm - runs in your browser.
Check a domain's registration date, estimated age, registrar, expiration timeline, and nameserver details with a quick RDAP lookup.
Extract all valid email addresses from text, HTML, CSV, or documents. Remove duplicates and download results as TXT or CSV - free.
Create professional email signatures with name, role, contact details, social links, and copy-ready HTML - no account needed.
Validate email addresses instantly with format checking, domain verification, and common typo detection. Check single or bulk emails for deliverability.
Generate realistic fake data for testing and development. Create random names, emails, phone numbers, addresses, and more in JSON or CSV format.
Generate FAQPage JSON-LD schema markup from your questions and answers to improve structured data coverage and rich result eligibility.
Flip a virtual coin online with true 50/50 probability. Track flip history, see heads vs tails statistics, and make quick random decisions. Free coin toss simulator.
Preview 100+ Google Fonts live in your browser. Adjust size, weight, style, and letter spacing, then copy the ready-to-use HTML link tag and CSS code.
Generate Strict-Transport-Security (HSTS) headers with includeSubDomains and preload directives. Enforce HTTPS for your domain easily.
HTML accessibility checker that scans pasted markup for WCAG 2.2 failures: missing alt text, unlabeled form fields, skipped headings, and broken ARIA. Free, no signup.
HTML cleaner strips inline styles, classes, empty tags, comments and Word or Google Docs junk from pasted HTML, then pretty prints clean, readable markup. Free, in your browser.
Free online tool to encode or decode HTML entities. Fast, private, and easy to use with no login required. All processing happens in your browser.
Encode and decode HTML entities instantly in your browser. Converts <, >, &, ", and 20+ named entities. Supports numeric encoding for Unicode characters. Free, no signup.
Format and beautify HTML code with proper indentation and structure. Clean up messy HTML, fix nesting, and make your markup readable instantly.
HTML playground with live preview and shareable links. Write HTML, CSS, and JavaScript, watch it auto-run, and share the code in a URL - no login, no setup, nothing stored.
Minify HTML code by removing comments, whitespace, and unnecessary characters. Reduce HTML file size for faster page loading.
Browse and copy all HTML entities - symbols, punctuation, math, arrows, and currency - as entity name, decimal code, or hex code.
Create HTML tables visually with a click-to-edit interface. Add rows, columns, style with borders, and export as HTML or Markdown.
HTML table to JSON converter extracts any HTML table into structured JSON or CSV, using header rows as keys. Paste markup and export instantly. Free, no signup.
Convert HTML to valid JSX and JSX back to HTML. Handles className, style objects, self-closing tags, event handlers, and comments automatically.
HTML to Markdown converter - cleanly transforms headings, tables, code blocks, and images. Runs in the browser, no data sent to servers.
Convert HTML code with CSS styling to PDF documents. Generate professional PDFs from HTML with tables, images, and custom layouts. Free browser-based converter.
Convert HTML to clean plain text by stripping all tags. Handles entities, removes scripts and styles, with options to preserve links, line breaks, and image alt text.
Build Set-Cookie HTTP headers with all attributes - HttpOnly, Secure, SameSite, Path, Domain, Max-Age. Generate cookie headers for web development instantly. Free, no signup.
Image color extractor pulls dominant colors from any image and builds a palette. Get HEX, RGB, and HSL values instantly - no upload to server required.
Convert images to Base64 strings instantly. Supports JPEG, PNG, GIF, WebP, SVG, and BMP. Copy CSS background or HTML image tag code easily.
Convert JSON data into formatted HTML tables instantly. Supports nested objects, arrays, and custom styling. Copy or download the generated HTML table code.
JSON-LD validator that checks schema markup for syntax errors, missing required properties, and invalid dates or prices. Paste JSON-LD or a full page, no signup.
Convert JSX to HTML instantly in your browser. Turns className to class, style objects to inline styles, and camelCase attributes back to plain HTML. Free, no signup.
Create a customizable link-in-bio page with profile details, social links, and branded colors. Export a standalone HTML file ready for instant hosting.
Shuffle, sort, reverse, or pick random items from any list. Paste items one per line and instantly randomize, sort A-Z, sort by length, or select N random winners.
Look up the manufacturer or vendor of any network device from its MAC address OUI prefix. Identifies device maker, unicast/multicast type, global/local scope, and randomised MAC detection for iOS and Android.
Create mailto links with pre-filled recipients, subject, and body. Generate HTML email links for contact buttons and support pages.
Calculate profit margin, markup percentage, and selling prices. Find margin from cost and revenue, convert between margin and markup, and plan pricing strategy.
Write and preview Markdown in real-time with a split-pane editor. Supports GitHub Flavored Markdown, tables, code blocks, and export to HTML.
Free online tool to convert Markdown text to HTML. Simple, fast, and secure - no registration required. Process your data locally for complete privacy.
Analyze HTML meta tags such as title, description, canonical, Open Graph, and Twitter Card tags with actionable SEO checks.
MongoDB ObjectId decoder extracts the creation timestamp, random value and counter from any ObjectId, and builds boundary IDs for date range queries. Free, no signup.
Validate MTA-STS TXT records for any domain and review policy ID metadata for SMTP transport security - browser-based, no install needed.
Look up MX DNS records for any domain to see which mail servers handle incoming email and their priority - free, no signup needed.
Look up authoritative NS records for any domain and verify nameserver delegation with TTL details in one fast DNS query.
Paste HTML to extract Open Graph and Twitter Card metadata, preview social sharing cards, and copy clean meta tags instantly.
Generate strong, memorable passphrases using random words. Easier to remember than random passwords while being equally secure. Entropy estimation included.
Generate strong, secure passwords with customizable length and character sets. Cryptographically secure random generation for maximum security.
Create PayPal payment links, donation buttons, buy now buttons, and subscription links. Generate URLs and HTML code for easy website integration.
Punycode converter encodes international domain names to xn-- ASCII and decodes them back, flagging mixed-script homograph lookalikes. Free, private, no signup.
Generate random color palettes with HEX, RGB, and HSL values. Lock colors, add or remove swatches, and export as CSS variables or Tailwind config.
Generate random jokes by category - programming, puns, miscellaneous, spooky, and more. Safe mode filter included. Powered by JokeAPI.
Pick a random item from any list instantly. Paste names, options, or items and let the tool randomly select one or multiple entries. Perfect for giveaways, decisions, and classroom picks.
Generate random realistic names for testing, writing, or any project. Filter by gender, add middle names, and generate up to 100 names at once. Free online tool.
Generate random numbers, integers, or decimals within custom ranges. Create multiple random numbers, shuffle sequences, and use cryptographically secure generation.
Generate random inspirational and programming quotes from famous thinkers, developers, and innovators. Get 5 quotes at a time with next/previous navigation and JSON export for apps, bots, or content pipelines.
Generate cryptographically secure random strings for API keys, tokens, session IDs, and more. Supports alphanumeric, hex, custom charsets, and batch generation.
Generate up to 5000 realistic fake user profiles for API testing and development. Customise payload fields - name, email, phone, address, avatar, login, DOB - and export as JSON using the randomuser.me API.
Generate random words including nouns, verbs, and adjectives. Filter by length, starting letter, or part of speech for creative writing, games, and brainstorming.
Generate JSON-LD schema markup for organizations, local businesses, articles, and products with implementation-ready structured data.
Check SOA DNS records for any domain and inspect serial, refresh, retry, expire, and minimum TTL - instant results, no install required.
Validate SPF DNS records for any domain and review include chains, mechanisms, and all-policy qualifiers to debug deliverability issues.
Spin a customizable random wheel to make decisions, pick winners, or choose what to eat. Add up to 20 options with animated spinner. Fair and random every time.
Check SSL certificate details for any domain - expiry date, issuer, Subject Alternative Names, TLS version, and fingerprint. Instantly verify if a certificate is valid, trusted, and how many days remain before it expires.
String escape and unescape tool for JS, JSON, HTML, URL, XML, SQL, and regex. Browser-based, handles special characters easily.
SVG blob generator creates smooth random blob shapes with adjustable complexity, randomness, size, colors and gradients. Copy SVG code, CSS clip-path or PNG. Free, no signup.
Optimize SVG markup by removing comments, metadata, extra whitespace, and unnecessary decimal precision. Reduce file size before shipping icons, logos, and illustrations.
Convert SVG markup to a React functional component instantly. Renames JSX attributes, adds prop spreading, and generates TypeScript or JavaScript. Free, no signup.
Generate Tailwind CSS snippets for buttons, cards, alerts, navbars, modals, and pricing cards. Pick a color and size, toggle HTML or JSX, dark mode and focus states included. Free online.
Convert plain text lines to formatted bullet points in Markdown, HTML, numbered lists, and more. Supports custom bullet symbols and one-click copy for documentation, READMEs, and web pages.
Convert plain text to HTML with automatic paragraph tags, line breaks, link detection, and special character encoding. Free online text to HTML tool.
Look up TXT DNS records for SPF, domain verification, and email authentication tokens with instant results and clean JSON output.
URL extractor pulls every link out of text, HTML, or log files, removes duplicates, and counts domains. Free, browser-based, exports to CSV or markdown.
Detect the technology stack behind any website - CMS, JavaScript frameworks, analytics, CDN, hosting, and 80+ more technologies fingerprinted from HTTP headers and HTML source.
Look up domain registration details including registrar, creation date, expiry date, nameservers, and status flags for any public domain.