Free SEO & Marketing Tools
Everything you need to build better links, optimize your SEO, and grow your campaigns. All tools are 100% free with no account required.
SEO & Technical Tools
Audit your site, check meta tags, trace redirects, find broken links, and verify canonical tags. Essential tools for technical SEO.
UTM Builder
Build UTM-tagged campaign URLs with presets for Google Ads, Facebook, Email, and 13+ platforms.
Open Graph Checker
Check OG meta tags and preview how your links appear on Twitter, Facebook, LinkedIn, and Discord.
Redirect Checker
Trace full 301/302 redirect chains, detect loops, and check redirect health scores.
Meta Tag Generator
Generate SEO meta tags, Open Graph, and Twitter Cards with a live Google search preview.
SERP Snippet Preview
Preview your title tag and meta description as a Google result on desktop and mobile, with live pixel-width truncation warnings.
Broken Link Checker
Scan any page for dead links, 404 errors, and server issues that hurt your SEO.
Canonical URL Checker
Verify rel=canonical tags, detect og:url mismatches, and check hreflang consistency.
Link Extractor
Extract and analyze all internal, external, nofollow, and anchor links from any webpage.
Robots.txt Tester
Test robots.txt files and check if a URL is allowed or blocked for Googlebot, Bingbot, and AI crawlers.
XML Sitemap Validator
Validate XML sitemaps. Check URLs, lastmod dates, priority values, and sitemap index structure.
Security Headers Checker
Audit HTTP security headers (CSP, HSTS, X-Frame-Options) and get a security grade A-F.
AASA Validator
Validate apple-app-site-association for iOS Universal Links: HTTPS, no redirect, JSON, applinks details, and TEAMID.bundle app IDs.
Android App Links Validator
Validate assetlinks.json for Android App Links: handle_all_urls relation, android_app namespace, package name, and SHA-256 fingerprints.
UTM Parser
Paste any URL to extract and decode UTM parameters with naming validation and GA4 support.
Outbound Link Checker
Audit external links on any page, rel attributes, tabnabbing risks, unique domains, CSV export.
NoFollow Link Checker
Audit every rel="nofollow", "sponsored", and "ugc" link on any page. Color-coded results, CSV export for SEO audits.
DoFollow Link Checker
Find every dofollow link on any page. Spot equity leaks, identify link-building targets, audit outbound rel attributes.
Anchor Text Analyzer
Audit anchor text distribution, classify as exact, partial, branded, generic, or naked URL with over-optimization scoring.
Internal Link Checker
Audit internal link structure, path depth, duplicates, nofollow audit, anchor diversity on any page.
Subdomain Finder
Discover every subdomain of any domain via Certificate Transparency logs. Auto-categorized for SEO and competitor audits.
Schema Markup Generator
Build JSON-LD structured data for Article, Product, FAQ, HowTo, Breadcrumb, Organization, LocalBusiness, Event, Review, Person, and WebPage.
Hreflang Tag Generator
Build international hreflang tags for multi-language and multi-region sites with x-default support and full ISO code reference.
HTAccess Redirect Generator
Build Apache .htaccess 301/302 redirect rules with regex support, HTTPS forcing, and www/trailing-slash toggles.
NGINX Redirect Generator
Build nginx server-block redirect config, return 301 / rewrite, HTTPS server blocks, www/non-www, and pretty URLs.
WordPress Redirect Generator
Build WordPress 301/302 redirects as Redirection plugin JSON imports or PHP snippets for functions.php / mu-plugins.
Shopify Redirect Generator
Build a Shopify-format URL Redirects CSV for bulk import into Online Store → Navigation → URL Redirects.
Webflow Redirect Generator
Build Webflow Old Path → Redirect to Path 301 rules with wildcard support for Project Settings → Publishing.
Squarespace Redirect Generator
Build Squarespace URL Mappings 301/302 rules (/old -> /new 301) for Settings → Developer Tools → URL Mappings.
Robots.txt Generator
Build a valid robots.txt from a friendly form. Per-bot rules, crawl-delay, sitemap directives, and common presets.
Redirect Map Generator
Turn old and new URL lists into a complete 301 redirect map, exported as htaccess, nginx, Next.js, Cloudflare CSV, or plain CSV.
URL Utility Tools
Clean, encode, decode, expand, and generate SEO-friendly URLs. Fast utilities for everyday URL tasks.
Slug Generator
Convert any text into clean, SEO-friendly URL slugs.
URL Encoder/Decoder
Encode or decode URLs and query parameters with percent-encoding.
URL Cleaner
Strip UTM parameters, tracking codes, and query strings from URLs.
URL Expander
Unshorten any bit.ly, tinyurl, or t.co link to see the real destination.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings. URL-safe variant + Unicode support.
URL Extractor
Pull every URL out of any text, email, or CSV. Dedupe, sort, filter by domain, export as a list or CSV.
Meta Refresh Redirect Generator
Generate a no-server HTML redirect for static hosts like GitHub Pages and S3, with a JS fallback and canonical tag.
Punycode Converter
Convert international domain names to and from xn-- punycode, with homograph (lookalike) phishing detection.
Text Fragment Link Generator
Create a link that scrolls to and highlights exact text on any page, using URL text fragments (#:~:text=).
Link Management Tools
Test deep links, cloak affiliate URLs, and generate WhatsApp click-to-chat links.
Zoom Link Generator
Build a Zoom join link from a meeting ID and passcode, plus a personal meeting room and app deep link.
MS Teams Meeting Link Generator
Build Microsoft Teams deep links to start a chat or call, or clean and brand a meeting join URL.
Calendly Link Generator
Add prefilled name, email, and UTM tracking parameters to any Calendly scheduling link.
Click to Tweet Link Generator
Build one-click pre-filled tweet links with text, URL, hashtags, and via handle, plus HTML and Markdown.
Facebook Share Link Generator
Build a Facebook share link for any URL, plus the HTML anchor and Markdown snippet.
LinkedIn Connection Request Link
Turn a username into a clean LinkedIn profile connect link, plus HTML and Markdown.
LinkedIn Share Link Generator
Build a LinkedIn share link for any URL using the official share-offsite endpoint.
Pinterest Save Button Generator
Build a Pinterest Pin it link and the official Save button embed for your page and image.
Reddit Submit Link Generator
Build a Reddit submit link with URL, title, and optional subreddit, plus HTML and Markdown.
Telegram Share Link Generator
Build a Telegram share link with a pre-filled message using the official t.me share URL.
Slack Invite Link Generator
Clean, validate, and brand your Slack workspace invite link, with steps to find it in Slack.
Dynamic QR Code Generator
Create an editable, trackable dynamic QR code backed by a Flyn short link you can change anytime.
Bulk URL Shortener
Paste a list of URLs and shorten all of them at once. Copy every short link in one click, free.
Password-Protected Link Generator
Lock any link behind a password in one step. Only people with the password reach the destination.
Link Click Counter
Create a tracking link and watch the clicks roll in live. See who is clicking with a free account.
Short Link Safety Checker
Expand short links, score redirect risk, verify HTTPS, and inspect suspicious destinations before users click.
UTM Redirect Preservation Checker
Confirm UTMs and click IDs survive short links, redirects, and landing-page hops before launch.
Campaign URL QA Checker
Validate UTMs, duplicate parameters, HTTPS, redirects, and campaign launch readiness before traffic starts.
QR Destination Audit
Check QR landing destinations for HTTPS, redirect count, mobile viewport, scan speed, and print readiness.
Short Link Bulk Health Checker
Bulk check short links for broken statuses, HTTPS, final destinations, redirect count, and response time.
Deep Link Tester
Test iOS Universal Links and Android App Links to verify deep link configuration.
Deep Link Generator
Build app-open deep links for WhatsApp, Instagram, Spotify, YouTube, Telegram, X, and custom schemes, with a web fallback.
Link Cloaker
Cloak affiliate links with clean branded URLs to increase trust and CTR.
WhatsApp Link Generator
Create click-to-chat WhatsApp links with pre-filled messages.
Messenger Link Generator
Build click-to-chat m.me links to your Facebook Page with ref attribution tag and pre-filled message.
Viber Link Generator
Build viber://chat click-to-chat links to your phone number with optional pre-filled message.
FaceTime Link Generator
Build facetime: video or facetime-audio: audio call links to any number or Apple ID, iPhone, iPad, Mac.
Signal Link Generator
Build signal.me click-to-chat links for private, end-to-end encrypted conversations.
Mailto Link Generator
Build click-to-email links with pre-filled subject, body, CC, BCC, and line breaks.
Hyperlink Generator
Turn a URL and link text into a clean HTML anchor tag or Markdown link, with target, rel, and title options.
YouTube Subscribe Link Generator
Turn your channel URL or @handle into a one-click ?sub_confirmation=1 subscribe link, plus HTML and Markdown.
Google Review Link Generator
Turn your Google Place ID into a direct one-click "Leave a review" link for receipts, SMS, email, and QR codes.
Add to Google Calendar Link Generator
Build a one-click "Add to Google Calendar" link with title, time, timezone, location, and HTML description.
Add to Outlook Calendar Link Generator
Build a one-click "Add to Outlook Calendar" link for personal (outlook.com) or work (Office 365) accounts.
ICS Calendar Link Generator
Generate a downloadable .ics event file (RFC 5545) for Apple Calendar, Outlook, Yahoo, and every iCal-compatible client.
SMS Link Generator
Build sms: click-to-text links with pre-filled message, international phone numbers, and segment counter.
Tel / Click-to-Call Link
Build tel: click-to-call links with E.164 phone formatting, extensions, and DTMF post-dial sequences.
Link Rotator
Split one link across multiple destination URLs with weighted rotation, for A/B tests and ad rotation.
App Store Link Generator
One smart link that routes iOS to the App Store, Android to Google Play, and desktop to your site.
Expiring Link Generator
Build a link that auto-expires after a set time or date, then shows a custom message you set.
QR Code Generator
Create custom QR codes for a URL, WiFi, vCard, email, phone, SMS, or text, colors, sizing, PNG and SVG download.
QR Code Generator with Logo
Create a branded QR code with your logo in the center, custom colors, and high error correction that still scans.
WiFi QR Code Generator
Turn your network name and password into a scan-to-join WiFi QR code. Runs in your browser, downloads as PNG or SVG.
vCard QR Code Generator
Put your contact card behind one QR code, scan to save. Classic vCard or an editable Smart QR backed by a short link.
Google Maps Link Generator
Build a share-ready Google Maps link for any location, directions route, or coordinates. No API key needed.
YouTube Timestamp Link Generator
Link viewers to the exact moment in any video: paste a URL, set the time, copy a clean start-at link.
QR Code Reader
Scan a QR code from any image, screenshot, or photo, decode the URL, WiFi, vCard, or text in your browser. Nothing uploaded.
Rel Attribute Generator
Build rel="nofollow sponsored ugc noopener noreferrer" anchor tags with one-click presets for affiliate, paid, and comment links.
Affiliate Link Checker
Trace an affiliate link end to end and see whether your tag or click id survives every redirect to the destination.
Link Inspector
Paste any short or unknown link to see the real destination, every redirect hop, and a plain safety read before you click.
Postback URL Tester
Resolve network macros in a server-to-server postback, fire it, and see the exact response your affiliate network would get.
Branded Domain Finder
Turn a brand name into short branded domain candidates for your links, with real availability where registries publish it.
Platform Link Shorteners
Shorten links for 104 popular platforms. Each shortener is optimized for the platform with deep link support, click analytics, and QR codes.
Why Use Flyn Tools?
Built by the team behind Flyn URL Shortener. Every tool is fast, free, and designed with SEO best practices in mind.
100% Free
Every tool is completely free with no usage limits. No sign-up, no credit card, no catches.
No Data Stored
We do not store your URLs or data on our servers. Your inputs are processed and discarded.
Built for SEO
Every tool follows SEO best practices and gives you actionable recommendations to improve rankings.
Works Everywhere
All tools work on desktop, tablet, and mobile. No software to install, just open and use.
Ready to level up your links?
Use our free tools to audit and optimize, then create powerful short links with Flyn. Full analytics, branded domains, QR codes, and more.