Free Web & Tech Tools — IP Lookup, DNS Checker, SSL Tester, HTTP Headers & More
70+ free tools to check IP addresses, DNS records, SSL certificates, redirects & HTTP headers — instant results, no signup required.
Trusted by developers & website owners in 100+ countries
Free Online Web & Tech Tools for Developers, SEOs & Site Owners
Whether you're diagnosing a DNS issue, verifying an SSL certificate before launch, or auditing HTTP headers for security misconfigurations — our tools give you instant, accurate answers directly in your browser, with no software to install and no account required.
Use the DNS Checker when a domain isn't resolving correctly. Switch to the SSL Tester when you see certificate warnings. Run the HTTP Headers tool to debug caching or redirect issues. Every tool is purpose-built for a specific problem — not a generic catch-all.
What You Can Do
- ✅ Instant IP & DNS insights — look up any domain or server in seconds.
- ✅ SSL, redirect & header checks — all from one place, no complex setup needed.
- ✅ SEO audit tools — meta tags, keyword density, schema, robots.txt & more.
- ✅ Security checks — blacklist lookup, malware scan, suspicious domain detection.
- ✅ Works on any device — desktop, tablet or mobile, no installation required.
All-in-One Web & Tech Tools
Browse 70+ free tools — including IP lookup, DNS checker, SSL tester, HTTP header analyzer, SEO auditor, sitemap generator, and more. Filter by category or search to find exactly what you need.
IP Address Finder
Quickly find the IP address of any website or domain for SEO and server analysis.
Use ToolWebsite Speed Test
HOTMeasure your website's loading speed to optimize performance and user experience.
Use ToolMobile-Friendliness Test
Test if your website is optimized for mobile devices to improve usability.
Use ToolDNS Record Checker
Look up and analyze DNS records (A, MX, CNAME, TXT) to troubleshoot configuration and connectivity issues.
Use ToolServer Status Checker
Monitor your server's uptime and status for reliability and security.
Use ToolBroken Link Checker
PopularIdentify and fix broken links to enhance SEO and user experience.
Use ToolCode Beautifier (HTML, CSS, JS)
Format and beautify HTML, CSS, and JavaScript code for readability.
Use ToolXML, HTML, TXT Sitemap Generator
PopularGenerate all types of sitemaps to improve website indexing and SEO.
Use ToolDomain Authority Checker
HOTEvaluate the authority of any domain to boost your SEO strategy.
Use ToolGoogle Index Checker
Verify if your website pages are indexed by Google for SEO optimization.
Use ToolHtaccess Redirect Generator
Create .htaccess redirect rules for website optimization and SEO.
Use ToolHTTP Headers Checker
Analyze HTTP response headers to debug caching, redirects, HTTPS status, and security policies.
Use ToolMy IP & Browser Information
View your IP address and browser details for security and troubleshooting.
Use ToolMy Screen Resolution
Check your device's screen resolution for website compatibility testing.
Use ToolWebsite Screen Resolution Simulator
Simulate how your website looks at different screen resolutions.
Use ToolMeta Tag Generator
PopularEasily create SEO-friendly meta tags to improve your search engine visibility.
Use ToolOpen Graph Generator
Create perfect meta tags for Facebook, Twitter, LinkedIn & other social media platforms.
Use ToolWordPress Theme Detector
Identify the WordPress theme used by any website for competitive analysis.
Use ToolWebsite Technology Finder
TrendingIdentify the CMS, themes, plugins, frameworks, and more technologies powering any website.
Use ToolAll in One Schema Generator
HOTCreate FAQ, JSON-LD, and other schema markups for enhanced SEO.
Use ToolAdSense Calculator
TrendingEstimate your AdSense earnings based on traffic and performance metrics.
Use ToolAdSense Eligibility Checker
TrendingCheck if your website meets Google AdSense requirements for monetization approval.
Use ToolPage Size Checker
Measure the size of your webpage to optimize loading speed and performance.
Use ToolWebsite Link Counter & Analyzer
Count and analyze internal and external links for SEO optimization.
Use ToolWebsite Link Price Calculator
Estimate the value of links on your website for monetization or SEO.
Use ToolSuspicious Domain Checker
HOTCheck domains for potential security threats or malicious activity.
Use ToolWebsite Screenshot Generator
Capture screenshots of websites for testing and documentation.
Use ToolGet Source Code of Webpage
View the HTML source code of any webpage for analysis and debugging.
Use ToolCode to Text Ratio Checker
Analyze the code-to-text ratio of your webpage for SEO optimization.
Use ToolSearch Engine Spider Simulator
Simulate how search engine spiders view your website for SEO insights.
Use ToolHTML to Plaintext Converter
Convert HTML content to plain text for easier content management.
Use ToolKeyword Research Tool
TrendingFind high-performing keywords to optimize your SEO strategy.
Use ToolAI Tools Directory
Explore AI tools for writing, coding, image generation, video editing, audio creation, SEO & business automation.
Use ToolReverse Video Tool
MagicCreate reversed videos instantly. No watermark, no quality loss — 100% free.
Use ToolIFSC Code Finder
Search for bank branch details using the IFSC code — includes bank name, MICR, branch, and more.
Use ToolQR Code & Barcode Scanner
NewScan QR codes and barcodes using uploaded images to decode links, text, or data.
Use ToolOnline Voice Recorder
TrendingRecord your voice, listen to the playback, and download the audio file directly from your browser.
Use ToolWebsite Policy Generator
All In OneGenerate a compliant Privacy Policy, Terms & Conditions, or Cookie Policy for your website.
Use ToolAbout Us Page Generator
Easily create professional About Us pages for your website or business.
Use ToolWhy Use Our Free Web & Tech Tools?
Built for developers, SEOs, and website owners who need fast, accurate results — without logins, fees, or complicated software.
Always Free — No Limits
Every tool is completely free with no hidden fees, paywalls, or usage caps. No subscription required — ever.
No Signup, Instant Access
Open any tool and start immediately — no account creation, no email, no personal details required.
100% Private & Secure
Your data never leaves your browser. We don't store inputs, log queries, or share anything with third parties.
Continuously Updated
Tools are actively maintained and improved based on user feedback, new web standards, and SEO changes.
Works on Any Device
All tools are fully responsive and browser-based — use them on desktop, tablet, or mobile with no installation needed.
Find the Right Tool for Your Task
Not sure which tool to use? Match your question to the right tool — and see exactly what result you'll get.
| 🔍 What You Want to Do | 🛠️ Tool to Use | 📋 What You'll Get |
|---|---|---|
| "I want to check who owns a domain" | Whois Lookup + Domain Age Checker | Registrar, owner details, and domain registration history |
| "My website is slow — what's causing it?" | Website Speed Test + Page Size Checker | Load time, page weight, and specific bottlenecks to fix |
| "Is my SSL certificate valid and not expired?" | SSL Checker | Certificate validity, expiry date, issuer, and chain status |
| "I want to find the IP address of a website" | Domain to IP + IP Location Finder | IP address, server location, ISP, and country details |
| "My DNS isn't resolving correctly" | DNS Record Checker | Full DNS records — A, MX, CNAME, TXT, NS — for any domain |
| "Is my page indexed by Google?" | Google Index Checker + Google Cache Checker | Index status and last cached version of your page in Google |
| "I want to do a full SEO audit of my website" | SEO Analyzer + Meta Tag Analyzer | Full on-page SEO report — meta tags, headings, keywords, speed, mobile |
| "Is my domain blacklisted or flagged for malware?" | Blacklist Lookup + Google Malware Checker | Blacklist status across 100+ databases and Google Safe Browsing result |
| "I need to generate a sitemap for my website" | XML / HTML / TXT Sitemap Generator | Downloadable sitemap file ready to submit to Google Search Console |
| "What technology is this website built with?" | Website Technology Finder + WordPress Theme Detector | CMS, framework, plugins, CDN, analytics tools, and theme used |
| "My redirect isn't working correctly" | Redirect Checker + HTTP Headers Checker | Full redirect chain, HTTP status codes (301/302/307), and response headers |
| "I want to check my keyword density for SEO" | Keyword Density Checker + Keyword Research Tool | Keyword frequency, density percentage, and related keyword suggestions |
| "I need to create a QR code for my business" | QR Code Generator | Downloadable QR code for URL, text, email, phone, or contact card |
| "I want to preview how my page looks in Google search" | Google SERP Preview + Meta Tag Generator | Live Google search result preview with title, URL, and meta description |
| "Is my website mobile-friendly?" | Mobile-Friendliness Test + Screen Resolution Simulator | Mobile usability score and visual preview across screen sizes |
| "I need to add schema markup to my website" | Schema Generator + Schema Audit Tool | Ready-to-use JSON-LD schema code + audit of existing schema on your page |
| "I want to check my website's backlinks" | Backlink Checker + Domain Authority Checker | Backlink count, linking domains, and domain authority score |
| "I want to generate a privacy policy for my website" | Website Policy Generator | Ready-to-publish Privacy Policy, Terms & Conditions, or Cookie Policy |
How It Works
Three steps. No signup. No installation. Just instant results.
Choose Your Tool
Browse by category — SEO, Security, DNS, Generators, Testing — or use the search bar to find your tool instantly. Not sure which tool? Use the "Find the Right Tool" guide above.
Enter Your Input
Paste a domain, URL, IP address, or text — depending on the tool. For example: enter example.com to check DNS, or paste a webpage URL to run an SEO audit. No account or login needed.
Get Instant Results
Results appear instantly in your browser — no waiting, no processing queue. Copy, download, or act on your results immediately. Your data is never stored or shared.
Trusted by Developers & Website Owners Worldwide
AllInOneTools is used by thousands of developers, SEOs, and site owners every day — listed and verified on leading software directories.
Listed & Verified On
Did our tools help you? We'd love to hear it. 🙏
Share your experience — your feedback helps other developers and site owners find the right tool faster.
Frequently Asked Questions
Common questions about our free IP, DNS, SSL, SEO, and security tools — answered clearly and directly.
Need more help?
If your question isn't answered here, our support team is ready to help with any web or tech tool query.
Contact SupportQuick Facts
- ✅ 70+ tools — all completely free
- ⚡ No signup — instant access always
- 🔐 No data stored — runs in your browser
- 📱 Works on mobile — fully responsive
- 🔄 Regularly updated — aligned to latest standards
Your Free Toolkit for IP, DNS, SSL, SEO & Web Analysis
Everything a developer, SEO professional, or site owner needs — in one place. Check DNS records, verify SSL certificates, analyze HTTP headers, audit meta tags, generate sitemaps, and more. Free, instant, no signup.
70+ Specialist Tools
Every tool solves a specific problem — from diagnosing DNS failures to catching expired SSL certificates before they break your site.
Instant, Browser-Based
Results load in seconds — no software to install, no queue to wait in. Everything runs directly in your browser, privately and securely.
Free — No Limits, Ever
No trial period, no usage cap, no credit card required. Every tool is permanently free — because good tools shouldn't be paywalled.