Website & Performance Tools

Create an llms.txt file so AI assistants like ChatGPT, Claude, and Perplexity can understand and cite your site. Follows the llmstxt.org standard.

Check whether AI bots (GPTBot, ClaudeBot, Google-Extended, PerplexityBot, CCBot and more) are allowed or blocked by your robots.txt. Get ready-to-paste rules.

Validate hreflang tags on a live page: language/region codes, x-default, self-reference, absolute URLs, and return-tag reciprocity across alternates.

Deep-check how your XML sitemap and robots.txt work together: sitemap declaration, reachability, index expansion, URL counts, and how many URLs are blocked.

Fetch a URL (or paste markup), detect JSON-LD structured data, and see which Google rich results it qualifies for — with missing required and recommended fields.

Convert Q/A text into FAQPage JSON-LD schema and HTML.

Generate trending hashtags for social media. 12 categories, keyword generation, popularity indicators. Copy all at once. Perfect for Instagram, Twitter, TikTok.

Generate meta tags for HTML pages.

Analyze title tag length and SEO optimization.

Check meta description length and quality.

Analyze URL structure and get SEO score from 0-100. Check HTTPS, length, keywords, and more with actionable recommendations.

Preview how your page appears in Google search results. Test meta titles and descriptions with desktop/mobile views.

Optimize title tags for higher click-through rates. Analyzes power words, numbers, emotional triggers based on proven research.

Validate JSON-LD schema markup. Check syntax, required fields, data types, and Google rich results eligibility instantly.

Delete all your tweets, replies & X posts in bulk — 100% free, no password, no API fees. Free Chrome extension.

Generate SEO-friendly URL slugs.

Analyze H1-H6 heading structure.

Extract and analyze meta tags from web pages.

Check keyword ranking position in search results.

Generate optimized meta titles with AI.

Check meta title length, pixel width, and SEO quality. Real-time analysis with Google SERP preview.

Analyze H2/H3 headings for keyword usage, length, power words, and engagement. Get quality scores and improvement suggestions.

Create compelling meta descriptions with AI.

Validate heading structure and detect SEO hierarchy issues.

Optimize meta title and description length with pixel-based SERP preview.

Analyze emoji usage in titles and check whether it is SEO-safe and user-friendly.

Compare page URL with canonical tag to detect SEO conflicts.

Analyze the quality and descriptiveness of image alt attributes for SEO and accessibility.

Detect which schema.org structured data types are used on a page.

Validate Open Graph meta tags and ensure complete social sharing previews.

Detect duplicate title tags across multiple URLs.

Analyze how a keyword is used across titles, headings, content, and internal links.

Detect above-the-fold content delay issues and render-blocking problems.

Build UTM tracking URLs easily.

Check canonical URL implementation.

Generate SEO-optimized alt text for images. 6 suggestions with copy/download.

Generate JSON-LD breadcrumb schema markup for rich results.

Generate hreflang tags for international SEO and multilingual sites.

Generate robots.txt file for search engines.

Create XML sitemap for your website.

Validate XML sitemaps. Check syntax, URL format, protocol compliance, and sitemap.org standards instantly.

Test if URLs are allowed or blocked by robots.txt. Check user-agent rules, wildcards, and crawl permissions instantly.

Generate JSON-LD schema markup.

Check URL redirects and redirect chains.

Generate URL rewrite rules for .htaccess.

Check if domain redirects www to non-www.

Generate .htaccess redirect rules.

Check meta robots and HTTP header signals that affect page indexability.

Check rel="next" and rel="prev" pagination tags and identify SEO pagination issues.

Analyze URL parameters to detect duplicate content and SEO risks.

Check whether URLs behave consistently with or without trailing slashes and detect SEO risks.

Map HTTP status codes across redirects and final URLs to identify SEO and technical issues.

Find duplicate URLs caused by reordered or repeated query parameters.

Detect SEO conflicts between canonical tags and paginated pages.

Detect conflicts between noindex directives, HTTP headers, and canonical signals.

Detect URLs listed in XML sitemaps that are blocked by robots.txt directives.

Check if page is indexed by Google.

Check Google cached version of page.

See page as search engine sees it.

Estimate how hard a keyword is to rank for using a transparent heuristic. Optionally add Google results and allintitle counts for a sharper score.

Count words, characters, sentences, and paragraphs in text.

Check keyword frequency and density in your content.

Calculate Flesch Reading Ease score for content.

Analyze paragraph lengths and flag overly long paragraphs.

Find content opportunities by analyzing gaps in your coverage. Get prioritized recommendations and build a strategic content calendar.

Check content for keyword stuffing before publishing. Accurate density calculation and pattern detection to avoid Google penalties.

Map keywords to URLs, detect cannibalization, assign primary/secondary keywords, and group by search intent. Export to CSV.

Generate complete topical authority maps with pillar pages, clusters, and supporting articles. Build content strategy for SEO.

Generate professional SEO content briefs with structure, keywords, and writer guidelines. Perfect for content teams.

Rewrite articles and content for uniqueness.

Check content for plagiarism and duplicate text.

Generate privacy policy for your website.

Create terms and conditions for your website.

Download YouTube video thumbnails in various sizes.

Preview thumbnails in real YouTube contexts. Test desktop search, sidebar, mobile, and grid layouts. Check dimensions and file size instantly.

Analyze and score YouTube video titles. Get optimization tips based on proven best practices. 85-95% accuracy without API.

Estimate reading time from word count and reading speed.

Shuffle sentence order and clean up spacing—no AI, no synonyms.

Remove repeated sentences while keeping original order.

Check and convert headlines to title case with common rules.

Convert plain text into clean <p> paragraphs and HTML-friendly output.

Convert basic Markdown into clean HTML.

Detect publish/updated dates and estimate how fresh a page is for SEO.

Analyze sentence lengths (words/chars), spot long sentences, and improve readability.

Detect passive voice usage in your content to improve clarity, readability, and SEO performance.

Detect keyword overlap and SEO cannibalization between multiple pages on the same site.

Analyze and optimize the first paragraph of your content for engagement, clarity, and SEO impact.

Analyze how deep, comprehensive, and well-structured a page is for SEO and user intent.

Extract semantically related (LSI) keywords from any webpage to improve topical relevance and SEO.

Visualize text readability and sentence complexity using a color-coded heatmap.

Find repeated or near-duplicate paragraphs within a page that can harm content quality and SEO.

Analyze pages and get actionable suggestions on what to update, improve, or refresh for better SEO and user value.

Extract all question sentences from content for FAQ creation. Smart detection finds ? and question keywords. Multiple output formats.

Get keyword suggestions for SEO.

Calculate estimated cost per click for keywords.

Extract keywords from YouTube videos.

Generate keyword cluster ideas with AI.

Create backlinks to your website.

Check any website's backlinks free — see its Domain Authority, referring domains, and estimated total backlinks to size up any link profile in seconds.

Analyze all links on a webpage.

Find broken links on your website.

Count total links on a webpage.

Calculate estimated link price for domain.

Analyze inbound and outbound anchor texts on a page.

Analyze internal links and measure click depth from the homepage.

Analyze anchor text distribution and detect over-optimized or risky anchor patterns.

Analyze SEO risk of footer links.

Detect broken or unreachable external JavaScript files included on a web page.

Compare internal link growth between two versions of a page.

Analyze links by placement: header vs body vs footer.

Detect images used as links and analyze alt text, destination URLs, and SEO impact.

Find pages that have no internal links pointing to them.

Find URLs that redirect unnecessarily and reveal redirect chains.

Detect inconsistent rel attributes like nofollow, sponsored, and ugc on page links.

Scan page links for rel attributes.

Count internal and external links on a page.

Check the Domain Authority (DA) of any website free — get a 0-100 authority score to benchmark competitors and track your own ranking strength.

Check the Page Authority (PA) of any URL free — a 0-100 score estimating how well a single page can rank, with domain authority shown for context.

Check the MozRank link authority of any domain free — a simple 0-10 score showing how strong a website's backlink profile is.

Check how old a domain is.

Get WHOIS information for domain.

Convert domain name to IP address.

Find out where domain is hosted.

Find all DNS records for domain.

Check SSL certificate validity, issuer, expiry date, and SAN coverage.

View A, AAAA, CNAME, MX, TXT, and NS DNS records.

Check SPF, DKIM, and DMARC records using DNS TXT lookup.

Follow redirect hops and display status codes and final destination.

Generate domain name ideas based on keywords (suggestions only).

Generate typo variations for brand protection and lookalike domain monitoring.

Analyze SEO friendliness based on domain length, structure, hyphens, numbers, and readability signals.

Evaluate the trust impact of hyphens and numbers in a domain name and get improvement tips.

Detect domain age and history signals from the site itself (no APIs).

Detect the dominant language of a website by analyzing visible page content and language signals.

Show redirect chains for a root domain (http/https, www/non-www) to diagnose SEO and performance issues.

Extract top keywords and phrases from a domain homepage for quick SEO insights.

Detect cross-domain canonical misuse across multiple URLs and domains.

Score domain memorability heuristics for brand-friendly naming.

Show your current IP address.

Find domain from IP address.

Find geographic location, country, city, ISP, and network info for any IP address.

Check if domains share same Class C IP.

Find geographic location of multiple IPs.

Validate IPv4 and IPv6 addresses.

Calculate subnet mask, network, broadcast, and host range for IPv4 CIDR blocks.

Convert an IPv4 start/end range into the smallest set of CIDR blocks.

Find PTR hostname for an IPv4 or IPv6 address.

Check if an IP is public, private, reserved, loopback, or link-local.

Detect whether a domain uses IPv4, IPv6, or dual-stack networking.

Scan HTTP response headers to detect potential IP exposure or origin leaks.

Find and group domains hosted on the same IP address using DNS-based techniques.

Detect CDN usage using DNS, IP ranges, and HTTP header heuristics.

Measure IP and server response latency without using any external APIs.

Detect risky exposed service hints like SSH, FTP, databases, and admin ports using safe heuristics.

Estimate the ASN (Autonomous System Number) of an IP using routing hints.

Detect blacklist hints without querying lists - heuristic abuse detection.

Reverse DNS validation - check PTR records for email deliverability.

Look up real-user Core Web Vitals field data from the Chrome UX Report — LCP, INP, CLS, FCP and TTFB at the 75th percentile, with pass/fail assessment.

Detect invalid HTML nesting patterns and common markup mistakes.

Measure website loading speed.

Detect broken image URLs on a page.

Calculate code vs text ratio on web pages.

Check total page weight and size.

Test if website is mobile-friendly.

Check Google PageSpeed Insights score.

View HTML source code of any webpage.

Generate screenshots of websites.

Test if website uses Gzip compression.

Visualize internal link structure and page depth of a website.

Analyze a webpage and count HTML tags (headings, links, images, lists, tables) for quick structure insights.

Scan and analyze critical SEO signals on a website homepage.

Analyze mobile usability signals like viewport, responsive CSS, and layout flexibility.

Quickly detect common accessibility issues like missing alt text, labels, and heading problems.

Scan a webpage to detect broken CSS, JS, image, and other linked resources.

Analyze the ratio of internal pages, discover crawl depth, and detect structural SEO issues.

Analyze how many clicks it takes to reach pages from the homepage and identify deep or buried content.

Analyze homepage content balance: text, links, images, headings, and scripts.

Generate an overall SEO risk score by analyzing common technical and on-page SEO issues.

Calculate text to code ratio. Get grade and optimization tips.

Check if server is up or down.

Ping website to search engines.

Analyze DOM size and detect excessive HTML elements that can slow down your website.

Analyze CSS load size by checking file weight, compression, and estimated load impact.

Detect render-blocking JavaScript and analyze script execution order.

Check whether images on a page use lazy-loading for better performance.

Detect render-blocking fonts and font loading issues affecting page speed.

Check raw HTML size and compression to improve speed and SEO.

Detect missing preload, prefetch, and preconnect hints to improve page loading performance.

Estimate server Time To First Byte (TTFB) and analyze backend response speed.

Detect inline CSS usage and help optimize styles for speed and maintainability.

Detect CSS, JavaScript, and image assets that may not be required on a webpage.

Build a Content-Security-Policy header visually. Pick directives and sources, then copy the header or meta tag. Reduce XSS risk.

Generate Subresource Integrity (SRI) hashes (SHA-256/384/512) for scripts and stylesheets. Paste content or upload a file.

Check if site has malware.

Check if domain is blacklisted.

Check if domain is suspicious.

Find exposed email addresses in HTML.

Check if website implements essential security headers like CSP, HSTS, X-Frame-Options.

Detect insecure HTTP resources loaded on HTTPS pages that break browser security.

Analyze cookies for Secure, HttpOnly, and SameSite flags. GDPR compliance checker.

Test password strength with real-time feedback. 100% private - runs in your browser.

Generate strong random passwords. Custom length, bulk generation, strength indicator. 100% secure and private.

Check if website is protected against clickjacking with X-Frame-Options and CSP.

Find sensitive paths exposed in robots.txt like admin panels, backups, and databases.

Detect if directories expose file listings revealing sensitive documents and structure.

Scan common ports to find security risks like exposed databases, SSH, and RDP.

Test which HTTP methods are allowed - find PUT, DELETE, TRACE vulnerabilities.

Grade security headers with detailed scoring, letter grades (A+ to F), and actionable recommendations.

Detect common admin URLs that may expose login panels or sensitive areas.

Detect open directories and exposed file listings on websites.

Analyze robots.txt to detect exposed admin, login, and sensitive paths.

Check Secure and HttpOnly flags on cookies to identify session security risks.

Detect exposed email addresses on web pages and reduce spam risks.

Check if WordPress XML-RPC is exposed and assess attack surface risks.

Analyze HTML forms for CSRF-related security attributes and risks.

Detect weak HTTPS enforcement and improper HTTP to HTTPS redirects.

Test and debug regular expressions live with match highlighting, capture groups, flags, and a handy cheat sheet. 100% in-browser.

Generate random UUID v4, time-ordered UUID v7, or the nil UUID in bulk. Copy or download. Uppercase and no-hyphen options.

Convert Unix epoch timestamps to human dates and back, in UTC or local time. Supports seconds and milliseconds.

Convert numbers between binary, octal, decimal, hexadecimal, and any base 2–36. Big-integer safe.

Build and parse cron expressions with a plain-English description and the next scheduled run times. No signup.

Convert JSON to YAML and YAML to JSON instantly. Validate, pretty-print, and copy the result. Runs in your browser.

Decode JSON Web Tokens to inspect the header and payload, with human-readable expiry, and optional HS256 signature verification.

Check text/background color contrast against WCAG 2.1 AA and AAA for normal and large text, with a live preview.

Convert text and code between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case. Free, in your browser.

Generate placeholder text for designs and mockups.

Encode and decode HTML entities.

Open multiple URLs at once in browser tabs.

Simulate different screen resolutions.

Generate MD5, SHA1, and SHA256 hashes.

Generate favicons in all sizes from your image. Get PNG files and HTML code.

Summarize long text automatically. Smart algorithm, adjustable length (25-75%), paragraph or bullet points. Perfect for articles and reports.

Encode and decode URLs.

Encode and decode Base64 strings.

Reverse any text string.

Pick colors and get HEX/RGB values.

Convert RGB color values to HEX.

Convert HEX color codes to RGB.

Generate QR codes from text or URL.

Decode QR codes and read contents.

Compress JPG, PNG, WebP images by up to 90% while maintaining quality. Client-side, instant, and private.

Convert images between JPG, PNG, and WebP formats. Batch convert multiple images with adjustable quality. Client-side and private.

Resize images by width, height, or percentage. Maintain aspect ratio or set custom dimensions. Client-side and private.

Crop images with visual editor. Preset ratios (1:1, 16:9, 4:3, 9:16) or free crop. Drag and resize crop box. Client-side and private.

Resize multiple images at once. Upload unlimited images, apply same settings to all, download as ZIP. Batch processing for efficiency.

Extract color palettes from images. Get HEX/RGB codes, percentages, and export as CSS or JSON. Perfect for designers.

Create perfect OG images for social sharing. 6 templates, custom text, logo upload, 1200×630px. Perfect for Facebook, Twitter, LinkedIn.

Create professional social media graphics. 6 templates, 4 platform sizes, full customization. Instagram, Facebook, Twitter. Download ready-to-post images.

Create link in bio pages like Linktree. Unlimited links, custom themes, social media icons. Export HTML. No monthly fees. Own your links!

Convert text to speech using Web Speech API. Multiple voices, speed/pitch control, free & private. Perfect for accessibility and content.

Analyze word frequency in text. Interactive charts, stop words filter, export CSV. Perfect for SEO, content analysis, and research.

Convert text to ASCII art. 20+ fonts including Banner, Block, Graffiti. Perfect for social media, code headers, signatures.

Create custom placeholder images for web development. Choose size, colors, and format. Download as PNG, JPEG, or WebP.

Remove emojis from text.

View EXIF metadata from images.

Remove EXIF metadata from images.

Generate UPI payment QR codes.

Write, format, and export text with auto-save.

Write Markdown with live preview, copy, and export.

Find and replace text with useful options.

Remove duplicate lines and keep the first/last occurrence.

Sort lines A→Z or Z→A with optional uniqueness.

Compare two texts and highlight added/removed lines.

Validate and format JSON (pretty or minified).

Convert CSV to JSON and JSON to CSV.

Normalize line breaks, remove trailing spaces, and clean whitespace.

Normalize Unicode and remove problematic hidden characters.

Generate 20+ stylish fancy fonts for social media, WhatsApp, Instagram - copy & paste instantly.

Convert normal text into stylish small Unicode text instantly.

Reverse text in 7 ways: flip characters, words, upside down, mirror, lines, sentences.

Highlight keywords inside text to analyze SEO usage, placement, and density.

Analyze stop-word frequency and density to improve content clarity and SEO.

Visually count characters, spaces, emojis, symbols, and line breaks in real time.

Normalize text into lowercase, UPPERCASE, Sentence case, Title Case, or toggle case instantly.

Remove invisible Unicode characters, zero-width spaces, BOMs, and normalize text safely.

Analyze emoji usage density in text to avoid overuse and improve readability and SEO balance.

Compare two texts and calculate similarity percentage to detect duplication or overlap.

Merge words in 12 methods: camelCase, snake_case, kebab-case, and more.

Simple notepad with auto-save. Write notes with real-time word count.

Flip text upside down using Unicode. Perfect for social media.

Convert text to bold Unicode. Stand out on social media.

Generate bold, italic, strikethrough, underline text. 6 variations.

Detect your browser information.

Find IFSC code from bank and branch.

Get bank details from IFSC code.

Convert an image (PNG, JPG, GIF, WebP, SVG) to a Base64 data URI — drag and drop, preview, and copy as a data URI, CSS background, or HTML img. Encoded in your browser. Free.

Escape text into a safe JSON string, or unescape a JSON string back to plain text — quotes, tabs, and newlines handled both ways. Runs in your browser. Free.

Convert numbers to Roman numerals and back, both ways, for 1–3999 — with validation and a quick symbol reference. Free, runs in your browser.

Repeat any text N times with your choice of separator, optional line numbering, and live counts — then copy or download. Free, in your browser.

Build Markdown tables visually — fill a grid, set column alignment, or paste CSV/Excel data to import — then copy clean Markdown for GitHub and docs. Free.

Convert colors between HEX, RGB, and HSL instantly — type any format (including HSL and RGB), with a live swatch and one-click copy. Free, in your browser.

Generate an HMAC (SHA-256, SHA-1, SHA-384, SHA-512) from a message and secret key, in hex or Base64 — for API signing and webhook verification. Runs in your browser. Free.

Build a .gitignore file in seconds — pick your languages, frameworks, editors, and OS (Node, Python, PHP, macOS, VS Code and more) and copy or download it. Free.

Break any URL into protocol, host, port, path, query, and fragment — then edit, add, or remove query parameters with a live, correctly-encoded rebuild. Free.

Convert between px, rem, and em instantly with a custom root font size — two-way, with an em option and a handy reference table. Free, runs in your browser.

Minify CSS to shrink file size, or beautify minified/messy CSS into clean code — with live byte savings. Runs in your browser, nothing uploaded. Free.

Safely minify JavaScript (comments + whitespace) or beautify messy code — preserves strings, regex, and template literals. Runs in your browser. Free.

Generate .htpasswd entries to password-protect a folder with Apache or nginx — bcrypt (recommended) or SHA-1, ready to paste. Free, no sign-up.

Create and sign JSON Web Tokens (JWT) in your browser — edit header and payload, pick HS256/384/512, and get a signed token. Your secret never leaves your device. Free.

Generate ULIDs — time-sortable unique IDs — in bulk, with monotonic mode and a timestamp decoder. A modern, sortable alternative to UUIDs. Free.

Format and beautify messy SQL queries, or minify them to one line — choose indent and keyword casing, then copy clean SQL. Runs in your browser, free.

Generate secure bcrypt password hashes with a chosen cost factor, and verify a password against an existing hash. Free, using native bcrypt.

Convert text to binary, hexadecimal, or decimal and back — UTF-8 aware, bidirectional, with one-click copy. Free and runs in your browser.

Turn JSON into TypeScript interfaces instantly — plus Go structs and PHP classes — with nested objects handled automatically. Free, browser-based.

Calculate Linux file permissions — tick read/write/execute to get the octal chmod number, symbolic notation, and a ready-to-run chmod command. Free.

Generate a SHA-256 hash from any text instantly in your browser — also supports SHA-1, SHA-384, and SHA-512. Private, fast, and free with no sign-up.

Minify HTML to shrink file size, or beautify messy HTML into clean, readable code — with live byte savings. Runs in your browser, nothing uploaded.

Check the Domain Authority of up to 100 websites at once — get DA, referring domains, and global rank in a sortable table with CSV export. Free.

Design custom CSS easing curves visually — drag the curve, preview the timing on a moving element, and copy the cubic-bezier() value for any transition. Free.

Create gradient text with CSS visually — pick colors and angle, preview live, and copy the background-clip code for eye-catching headings. Free, image-free.

Create soft-UI neumorphism effects visually — adjust color, distance, blur, and shape (flat, concave, convex), then copy the box-shadow CSS. Free.

Create CSS keyframe animations visually — fade, slide, zoom, bounce, spin, pulse, and shake, with duration, timing, and iterations, then copy the code. Free.

Experiment with CSS filters visually — blur, brightness, contrast, saturate, grayscale, sepia, and hue-rotate with a live preview, then copy the filter CSS. Free.

Create CSS gradients visually and copy the code in one click — linear, radial, and conic gradients with unlimited color stops and a live preview. Free.

Design CSS box-shadows visually with live preview — control offset, blur, spread, opacity, color, and inset, then copy production-ready CSS. Free.

Round element corners visually and copy the CSS — control each corner, make circles and pill shapes, or generate organic blobs with a live preview. Free.

Add shadows and glow effects to text visually — adjust offset, blur, opacity, and color with a live preview and presets, then copy the text-shadow CSS. Free.

Build flexbox layouts visually — set direction, justify, align, wrap, and gap with a live preview, then copy ready-to-use flexbox CSS. Free, no sign-up.

Create CSS Grid layouts visually — set columns, rows, gaps, and responsive sizing with a live preview, then copy ready-to-use grid CSS. Free.

Create the frosted-glass (glassmorphism) effect visually — adjust blur, transparency, tint, and border over a live preview, then copy the backdrop-filter CSS. Free.

Create pure-CSS loading spinners and animations — spinner, dual-ring, pulse, and dots styles with adjustable size, speed, and color. Copy the CSS. Free.