Every tool you need for SEO, in one place
All are 100% FREE and easy to use! No signup needed — just pick a tool and go.
Most Used Tools
Mobile Website Tester
Free online SEO tool.
Split PDF
Extract page ranges into separate PDF files.
Social Share Link Generator
Build share links for X, Facebook, WhatsApp & more.
Tip Calculator
Split bills and calculate tips per person.
Base64 Encoder Decoder
Encode & decode Base64 text instantly.
Diff Checker
Compare two texts side by side.
Browse by Category
Backlink Maker
Build quality backlinks with one click.
Meta Tags Analyzer
Audit meta tags of any page for better SEO.
Alexa Rank Checker
See any website's global popularity rank instantly.
Link Analyzer
Analyze all links on any webpage at a glance.
Keyword Density Checker
Analyze keyword density of any webpage.
Google Malware Checker
Scan any URL for malware and phishing threats.
Suspicious Domain Checker
Detect suspicious and risky domains in seconds.
Google Index Checker
Check if your pages are indexed by Google.
Website Links Count Checker
Count internal and external links on a page.
Google Cache Checker
Find the latest archived snapshot of any page.
Keywords Suggestion Tool
Get keyword ideas to grow your traffic.
Website Authority Checker
Check a website's authority score from 0 to 10.
Open Graph Generator
Generate perfect Open Graph tags for social sharing.
UTM Builder
Build UTM campaign URLs for accurate analytics.
Schema Markup Generator
Generate JSON-LD schema markup.
SERP Snippet Preview
Preview Google snippets & pixel widths.
Open Graph Checker
Preview and validate Facebook & X share tags.
Heading Analyzer
Analyze H1-H6 heading structure for better SEO.
Alt Text Checker
Find images missing alt text hurting your rankings.
Favicon Checker
Check if a website has a proper favicon set up.
WordPress Theme Detector
Detect which WordPress theme any site uses.
CMS Detector
Detect WordPress, Shopify, Joomla and other CMS platforms.
CSS Minifier
Minify CSS code to speed up your website.
JS Minifier
Minify JavaScript safely for faster page loads.
HTML Minifier
Minify HTML markup and shrink page size.
Mobile Friendly Test
Test if your website is mobile-friendly.
Online Ping Website Tool
Ping any website and check its response time.
My IP Address
See your public IP address and location.
Domain Age Checker
Find out how old any domain name is.
Whois Checker
Look up domain registration details instantly.
Domain into IP
Convert any domain name to its IP address.
Server Status Checker
Check if a website server is online right now.
Reverse IP Domain Checker
Find all domains hosted on an IP address.
Blacklist Lookup
Check if a domain or IP is blacklisted.
Domain Hosting Checker
Discover who hosts any website.
Class C Ip Checker
Check Class C IP diversity of backlinks.
Find DNS records
Look up DNS records: A, MX, TXT, NS and more.
What is my Browser
Detect your browser, OS and screen details.
Internet Speed Test
Measure your download speed and ping instantly.
SSL Checker
Check SSL certificate validity & expiry.
www Redirect Checker
Verify www to non-www redirects work properly.
Webpage Screen Resolution Simulator
Preview any site at different screen sizes.
Page Size Checker
Check the total size of any webpage.
Get Source Code of Webpage
View the HTML source of any webpage.
Page Speed Checker
Test how fast any webpage loads.
Code to Text Ratio Checker
Measure code-to-text ratio for better SEO.
Broken Links Finder
Find broken links on any webpage fast.
Search Engine Spider Simulator
See your page the way search engines see it.
Pagespeed Insights Checker
Get Google PageSpeed insights for any URL.
GZIP Compression Test
Check if your site uses GZIP/Brotli compression.
HTTP Header Checker
Inspect HTTP response headers of any URL.
Article Rewriter
Rewrite articles into fresh, unique content.
Plagiarism Checker
Check any text for duplicate content.
Word Counter
Count words and characters as you type.
Grammar Checker
Fix grammar, spelling and punctuation errors instantly.
Text to Speech
Read any text aloud with natural voices.
Case Converter
UPPER, lower, Title case & more.
Remove Duplicate Lines
Remove duplicate lines from any list.
Email Extractor
Extract all email addresses from text.
Readability Checker
Flesch-Kincaid readability score.
Meta Tag Generator
Generate perfect meta tags for your pages.
Robots.txt Generator
Create a robots.txt file in seconds.
XML Sitemap Generator
Generate an XML sitemap for your website.
URL Rewriting Tool
Create clean, SEO-friendly URLs.
URL Encoder / Decoder
Encode or decode URLs instantly.
Link Price Calculator
Calculate the fair price of a backlink.
Online Md5 Generator
Free online SEO tool.
Email Privacy
Protect email addresses from spam bots.
URL Shortener
Shorten long URLs into clean, shareable links.
.htaccess Generator
Build a secure, speed-optimized .htaccess file.
Mobile Website Tester
Free online SEO tool.
Merge PDF
Combine multiple PDF files into one document.
Split PDF
Extract page ranges into separate PDF files.
Rotate PDF
Rotate PDF pages by 90, 180 or 270 degrees.
JPG to PDF
Convert JPG and PNG images into a PDF file.
PDF to JPG
Turn every PDF page into a JPG image.
Compress PDF
Reduce PDF file size without losing quality.
Extract Text from PDF
Extract all text from any PDF as plain text.
Watermark PDF
Stamp a custom watermark on every PDF page.
Add Page Numbers
Add page numbers to any PDF in seconds.
PDF Metadata Editor
View and edit PDF title, author and more.
Unlock PDF
Remove printing and copying restrictions from PDF.
Delete PDF Pages
Remove pages from any PDF file.
Mortgage Calculator
Calculate monthly mortgage payments & total interest.
BMI Calculator
Check your Body Mass Index and health category.
Calorie Calculator
Find your daily calorie needs by activity level.
Salary Calculator
Convert gross salary to a net pay breakdown.
Compound Interest Calculator
Project investment growth with compounding.
Loan EMI Calculator
Calculate loan EMI, interest & amortization.
Age Calculator
Your exact age in years, months & days.
Percentage Calculator
Percent of, percent change & reverse percent.
Tip Calculator
Split bills and calculate tips per person.
JSON Formatter
Validate, format & minify JSON.
Regex Tester
Test regex with live match highlighting.
Base64 Encoder Decoder
Encode & decode Base64 text instantly.
UUID Generator
Generate bulk UUID v4 identifiers.
Timestamp Converter
Unix timestamps to dates and back.
JWT Decoder
Decode JWT tokens right in your browser.
Diff Checker
Compare two texts side by side.
Cron Generator
Build cron expressions visually.
Color Converter
HEX, RGB & HSL with contrast check.
CSS Gradient Generator
Design beautiful CSS gradients with live preview.
Twitter Card Generator
Create X (Twitter) Card tags with live preview.
YouTube Thumbnail Downloader
Download any YouTube video thumbnail in HD quality.
YouTube Video Info
Get a YouTube video title, author and details instantly.
YouTube Embed Generator
Create responsive YouTube embed code for your site.
YouTube Timestamp Link Generator
Create share links that start at any video moment.
Hashtag Generator
Generate trending hashtags for any niche or keyword.
Social Media Image Resizer
Resize images for YouTube, Instagram, Facebook & X.
Twitter Thread Splitter
Split long text into perfect 280-character tweets.
Fancy Text Generator
Create stylish fancy text for bios and captions.
Social Share Link Generator
Build share links for X, Facebook, WhatsApp & more.
Instagram Caption Generator
Write engaging Instagram captions with hashtags.
The free SEO toolkit webmasters love
Professional-grade SEO tools, free forever — no accounts, no limits, no catch.
100% Free, Forever
Every tool is completely free to use, with no hidden premium tiers or locked features.
Fast & Simple
No signup, no downloads. Enter a URL, click a button, get results in seconds.
Private & Secure
Your data stays yours. We don’t store the URLs you check or sell your information.
Free Online Tools for SEO, Webmasters, Creators & Developers
FistHost's free tools collection brings 124 professional online tools together in one fast, clean workspace. Check your website's SEO health, analyze competitors, create and edit PDF documents, calculate loans and salaries, generate QR codes and secure passwords, resize images for social media, minify code, and much more — all without installing software or creating an account.
Every tool runs right in your browser or on our secure servers and delivers results in seconds. Bloggers use our SEO and content tools to rank higher on Google. Developers use the code formatters, minifiers, encoders and validators to ship cleaner projects. Marketers and creators use the YouTube, hashtag and social media tools to grow their audience. Students and office workers rely on the PDF tools, calculators and converters for everyday tasks. Whatever you need to get done online, there is a free FistHost tool for it.
We believe powerful web tools should be free for everyone. There are no premium tiers, no daily limits, no watermarks and no sign-ups. Many of our PDF and file tools process everything locally in your browser, so your documents never leave your computer. We do not store the URLs you analyze or sell your information. Just open a tool, enter your input, and get your result.
Browse Tools by Category
SEO & Rankings
Check backlinks, domain authority, keyword density, meta tags, page speed signals and search engine indexing — everything needed for on-page and off-page SEO audits.
Domain & Network
Look up WHOIS records, DNS data, IP locations, server status and domain age to research any website or troubleshoot network issues.
Site Audit
Audit Open Graph tags, heading structure, image alt text, favicons, mobile-friendliness and CMS detection to find issues hurting your rankings.
Content Tools
Rewrite articles, count words, check plagiarism-style uniqueness, fix grammar and generate fresh text ideas for blogs and assignments.
Webmaster
Generate XML sitemaps, robots.txt files, QR codes and short links — the everyday utilities every website owner needs.
PDF Tools
Merge, split, rotate, compress, unlock and watermark PDFs, convert JPG to PDF and back, extract text and edit metadata — all processed privately in your browser.
Calculators
Plan finances with mortgage, loan, salary, BMI, age and percentage calculators that show clear, instant results.
Generators
Create strong random passwords, QR codes, lorem ipsum text, hashtags and fancy styled text for bios and captions.
Developer Tools
Format and validate JSON, minify CSS, JavaScript and HTML, encode and decode Base64, test regex and compare text differences.
Security Tools
Check SSL certificates, scan HTTP security headers and test password strength to keep your sites and accounts safe.
Image Tools
Compress, resize and convert images for the web and social media without losing visible quality.
Converters
Convert currencies, units, temperatures and file-related formats quickly with accurate, up-to-date results.
Social Media
Download YouTube thumbnails in HD, build embed codes and timestamp links, split X threads, resize images for every platform and generate hashtags, captions and share links.
Frequently Asked Questions
Are these tools really 100% free?
Yes. Every one of the 124 tools is completely free with no premium tier, no daily usage limits, no watermarks and no locked features.
Do I need to create an account or sign up?
No. All tools work instantly without registration. Open the tool, enter your URL or text, and get results — nothing to download and no account needed.
Is my data safe when I use these tools?
Yes. Our PDF and file tools process documents locally inside your browser, so files never leave your computer. We do not store the URLs you analyze and never sell your information.
Which are the most popular tools?
The most-used tools include the Article Rewriter, Plagiarism-style uniqueness checks, Merge PDF, YouTube Thumbnail Downloader, Hashtag Generator, SSL Checker, JSON Formatter and the Password Generator.
Do the tools work on mobile phones?
Yes. The entire site is mobile-responsive with dark-mode support, so every tool works smoothly on phones, tablets and desktops.
Can I use these tools for client or commercial work?
Yes. Freelancers, agencies and businesses use our SEO audits, PDF tools and generators for client projects every day, free of charge.
Why do some SEO tools show limited data?
A few third-party data sources have been discontinued by their providers (for example Alexa Rank and Google Cache). Where a source no longer exists, the tool tells you clearly instead of showing fake data.
Are new tools added regularly?
Yes. We constantly expand the collection based on what users search for — recent additions include 11 PDF tools, 10 social media tools and 10 advanced SEO audit tools. Bookmark the homepage to catch new releases.