Web & SEO Tools
Web & SEO Tools icon

Web & SEO Tools

Analyze websites and optimize SEO, check domain age, generate meta tags/favicons, test for broken links, and detect WordPress.

Start typing to search…

At a glance

2400+

Tools available

100%

Free to use

No

Account needed

Instant results

Most tools run in your browser for speed and privacy.

Private by default

Your inputs stay on your device, we don't store them.

All Web & SEO Tools tools

44 tools in this category

Domain age checker

Domain age checker

Domain age checker

Favicon Downloader

Favicon Downloader

Paste any URL to download every favicon a site declares, ICO, PNG and SVG, at each size it publishes. Free, no signup, no account. No browser extension needed.

URL Expander

URL Expander

Reveal the full, original URL behind a shortened URL.

Slug Generator

Slug Generator

Generate user-friendly and search-engine-optimized URL slugs for your website

Campaign URL Builder

Campaign URL Builder

Build custom campaign tracking URLs with UTM parameters for Google Analytics. This free browser tool creates tagged links in seconds, no signup required.

GPT Bot Crawl Tester

GPT Bot Crawl Tester

CHECK if GPTBot can crawl your website.

Wordpress Detector

Wordpress Detector

Instantly detect if a website uses WordPress and identify its version. Our free tool helps developers, marketers, and site owners gather crucial CMS information.

URL Parser

URL Parser

URL Parser explain URL

Favicon Generator

Favicon Generator

Generate favicons, icons, and app icons for all devices. Upload logo or text to create complete favicon packages with installation code.

Sitemap URL Extractor

Sitemap URL Extractor

Extract all URLs from sitemap.xml files online. Parse XML sitemaps and get a list of all URLs for SEO analysis and website mapping.

Broken Link Checker

Broken Link Checker

Check your website for broken links and dead URLs

Meta Tag Generator

Meta Tag Generator

Generate HTML meta tags for SEO, Open Graph, and Twitter Cards. Free online meta tag generator with real-time preview and copy/download functionality.

301 Redirect Code Generator

301 Redirect Code Generator

Generate permanent 301 redirect snippets for Apache, Nginx, PHP, HTML meta refresh, and JavaScript.

Google Fonts Pair Finder

Google Fonts Pair Finder

Discover perfect Google Font pairings for your design projects with visual previews of heading and body font combinations.

HTAccess Redirect Generator

HTAccess Redirect Generator

Generate Apache .htaccess redirect rules for URL redirections, domain changes, and website migrations with multiple redirect types.

Sitemap To Csv

Sitemap To Csv

Free online sitemap to CSV converter to extract URLs, priority, changefreq, and lastmod dates from any XML sitemap and export to CSV.

CPC Calculator

CPC Calculator

Calculate Cost Per Click (CPC), total ad cost, or total clicks instantly using our online CPC calculator.

CPM Calculator

CPM Calculator

Calculate Cost Per Mille (CPM), total ad cost, or total impressions instantly using our online CPM calculator.

Googlebot Crawl Size Checker

Googlebot Crawl Size Checker

Check if your web page or PDF fits within Googlebot crawling limits. Measure uncompressed content size against the 2 MB HTML and 64 MB PDF thresholds.

Headline Analyzer

Headline Analyzer

Analyze your headlines for SEO effectiveness, emotional impact, power words, readability, and word balance. Get a detailed score breakdown with actionable recommendations to write better headlines.

Hreflang Tag Generator

Hreflang Tag Generator

Generate hreflang tags for multilingual websites. Supports HTML link tags, HTTP headers, and XML sitemap formats with language presets and URL validation.

Keyword Density Checker

Keyword Density Checker

Analyze the keyword frequency and density of your text. Detect unigrams, bigrams, trigrams, and quadgrams with options to filter stop words.

Terms and Condition Generator

Terms and Condition Generator

Create customized terms and conditions for your website or app with company name, URL, and legal clause options.

Alt Text Generator

Alt Text Generator

Write image descriptions, preview images locally, check alt text, and copy safe HTML image tags.

Canonical Tag Generator

Canonical Tag Generator

Generate canonical link tags, Open Graph URL tags, and hreflang tags from any page URL with protocol, www, trailing slash, and lowercase options. Runs entirely in your browser.

Content Security Policy Generator

Content Security Policy Generator

Build a Content Security Policy header visually with per directive toggles and source lists. Add nonces, hashes, and custom sources, then copy the header or meta tag in one click.

Cookie Policy Generator

Cookie Policy Generator

Generate a GDPR-aware cookie policy for your website. Choose the cookie types you use, add third-party services, and copy or download the finished policy.

Favicon Checker

Favicon Checker

Paste a page's HTML head to check favicon declarations, detect missing icon sizes, and verify manifest and SVG icons. Analysis runs entirely in your browser.

Heading Structure Analyzer

Heading Structure Analyzer

Analyze H1 to H6 heading structure in HTML for SEO. Detect missing H1 tags, skipped levels, and hierarchy issues with a visual tree.

Keyword Extractor

Keyword Extractor

Extract the most important keywords from any text with language-aware stopword removal, adjustable keyword counts, and one-click export as a comma list, hashtags, or meta keywords.

Link Analyzer

Link Analyzer

Paste page HTML to instantly categorize every link as internal or external, detect nofollow attributes, review anchor text, filter the link inventory, and export it as CSV. Runs entirely in your browser.

Meta Length Checker

Meta Length Checker

Check meta title and description lengths against SEO limits and preview how your snippet looks on Google desktop and mobile. Color coded bars show what fits.

OG Preview

OG Preview

Fill in your Open Graph title, description, image, and URL, then preview exactly how the link card renders on Facebook, X, and LinkedIn. Copy the generated meta tags when it looks right.

PWA Manifest Generator

PWA Manifest Generator

Configure app name, display mode, colors, and icons, then copy a valid manifest.json for a progressive web app.

Redirect Chain Checker

Redirect Chain Checker

Map HTTP redirect hops with 301, 302, 307, and 308 types, SEO impact notes, and chain length warnings.

Responsive Breakpoint Tester

Responsive Breakpoint Tester

Preview any URL or pasted HTML at mobile, tablet, laptop, and desktop widths with custom viewport sizes.

Robots.txt Generator

Robots.txt Generator

Build a robots.txt file with user-agent rules, allow and disallow paths, AI crawler presets, and a sitemap URL.

Schema Markup Generator

Schema Markup Generator

Create valid Schema.org JSON-LD for Article, Product, FAQ, LocalBusiness, and more with a copy-ready script tag.

Sitemap Generator

Sitemap Generator

Build a standards-compliant XML sitemap from your URLs with optional last modified dates, change frequency, and priority.

SSL Checker

SSL Checker

Check HTTPS reachability, response time, and security headers for any domain from your browser.

Structured Data Tester

Structured Data Tester

Paste JSON-LD markup to validate syntax and check required Schema.org fields for common types.

HSTS Preload Checker

HSTS Preload Checker

Validate Strict-Transport-Security headers against Chromium preload eligibility rules in your browser.

Security Headers Auditor

Security Headers Auditor

Paste HTTP response headers to audit CSP, HSTS, framing, MIME sniffing, referrer, and permissions policy directives.

Robots.txt Tester

Robots.txt Tester

Paste robots.txt rules and test whether a URL path is allowed or disallowed for a given user-agent.

Frequently asked questions

Straight answers about how Online Mini Tools works.

Are the tools on this website free to use?
Yes, all tools hosted on our website are completely free to use. We believe in providing convenient and useful utilities without any hidden costs or paywalls.
Do I need to create an account to use the tools?
No, you do not need to create an account. Our tools are accessible to everyone visiting our website instantly, without registration or login.
Can I suggest new tools or features?
Absolutely! We welcome suggestions for new tools or features that would benefit you. Please reach out to us at [email protected].
Are the results generated by these tools accurate?
We strive to ensure absolute accuracy in our tools. However, results are determined by the input data provided. We always recommend verifying critical calculations for professional or legal applications.
Are my inputs and results private and secure?
Yes, privacy and security are fundamental. Processing happens entirely client-side on your browser for most tools, and we do not store, view, or log any of your inputs, data, or results.
Are these tools compatible with mobile devices?
Yes, our layout is mobile-first. Every tool adapts beautifully to smartphones, tablets, laptops, and wide screen monitors.

Didn't find the tool you need?

We're always expanding the collection. Tell us what would make your workflow easier and we'll consider it for the roadmap.

Browser extensions for Chrome and Firefox

Search and launch any tool from your browser toolbar - available for Chrome and Firefox. Access 2400+ tools without leaving your current tab.