105 Free SEO Tools to Grow Your Traffic

Keyword research, on-page audits, Core Web Vitals, schema markup, backlinks and more — every tool runs free in your browser. No signup. No limits.

105free tools

7categories

0signups required

100%browser-based

🔑 Keyword Tools

Research, analyze and expand keywords to find what your audience is searching for.

Keyword Research Tool

Discover hundreds of real keyword ideas from Google Autocomplete, including questions and long-tail variations.

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Keyword Difficulty Estimator

Estimate how hard a keyword is to rank for using proven on-page and competition signals.

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Keyword Density Checker

Analyze keyword usage and density in any text or URL to avoid under- or over-optimization.

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Long-Tail Keyword Generator

Generate hundreds of long-tail keyword combinations from your seed terms and modifiers.

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Competitor Keyword Gap Analyzer

Compare keyword lists from competitors and find terms they rank for that you are missing.

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Search Intent Classifier

Classify keywords as informational, navigational, commercial or transactional in bulk.

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Question Finder (People Also Ask)

Discover the real questions people ask Google about any topic — perfect for FAQs and featured snippets.

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YouTube Keyword Tool

Pull real YouTube search suggestions to find video keywords with built-in demand.

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Amazon Keyword Tool

Mine Amazon autocomplete for buyer keywords to power product listings and affiliate content.

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Keyword Clustering Tool

Group hundreds of keywords into topic clusters automatically — one cluster, one page.

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Bing Keyword Tool

Pull live Bing search suggestions — the engine behind ChatGPT search and Copilot.

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eBay Keyword Tool

Mine eBay autocomplete for reseller and buyer keywords with real purchase intent.

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Keyword Combiner (Mixer)

Merge 2–3 keyword lists into every combination — instant campaign and content lists.

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Domain Name Generator

Generate brandable domain ideas from keywords — with a live DNS availability hint.

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Keyword Typo Generator

Generate common misspellings of any keyword — for eBay finds, PPC and domain protection.

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📝 Content & On-Page

Optimize titles, meta tags, headings, readability and on-page elements.

Title Tag Analyzer

Check title length in pixels and characters, keyword placement and emotional power.

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Meta Description Generator & Checker

Write, generate and validate meta descriptions with live pixel-width SERP preview.

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Heading Structure Analyzer

Extract and audit the H1–H6 outline of any page for hierarchy and keyword usage.

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On-Page SEO Auditor

Run a 30-point on-page audit of any URL: tags, content, links, images and social markup.

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Readability Checker

Score your content with Flesch Reading Ease, grade levels and sentence-level stats.

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Duplicate Content Detector

Compare two texts or pages and measure similarity with shingle and cosine analysis.

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Content Brief Generator

Turn a target keyword into a structured, writer-ready content brief in one click.

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Image Alt Text Generator

Create descriptive, keyword-aware alt text for images in bulk from filenames and context.

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Word Counter & Text Analyzer

Count words, characters, sentences, paragraphs and reading time instantly.

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Internal Linking Suggester

Find internal link opportunities by matching your article against your existing pages.

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Blog Title Generator

Generate dozens of proven headline formulas for any topic — listicles, how-tos, questions.

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Headline Analyzer

Score any headline 0–100 on word balance, power words, emotion, length and clarity.

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Text Cleaner

Remove line breaks, extra spaces, HTML tags and weird formatting from any text.

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Lorem Ipsum Generator

Generate placeholder text by paragraphs, sentences or words — classic or modern styles.

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Table of Contents Generator

Turn your headings into a linked table of contents with anchor IDs — HTML ready.

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⚙️ Technical SEO

Sitemaps, robots.txt, schema, redirects, canonicals and crawl diagnostics.

XML Sitemap Generator

Build a valid XML sitemap from a URL list with priority, changefreq and lastmod.

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Robots.txt Generator & Tester

Create a correct robots.txt and test whether specific URLs are allowed or blocked.

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Schema Markup Generator & Validator

Generate JSON-LD for Article, FAQ, Product, LocalBusiness, HowTo and more — and validate it.

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Canonical Tag Checker

Inspect the canonical tags of any URL and detect conflicts, chains and self-references.

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Redirect Checker

Follow the redirect path of any URL and reveal the final destination and status.

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Broken Link Checker

Scan a page for broken internal and external links with live status checks.

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llms.txt Generator

Create an llms.txt file so AI search engines understand and cite your site correctly (GEO).

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AI Crawler Access Checker

Check which AI bots — GPTBot, ClaudeBot, PerplexityBot, Google-Extended — can crawl your site.

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DNS Record Lookup

Look up A, AAAA, MX, TXT, NS, CNAME and CAA records for any domain instantly.

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Hreflang Tag Generator

Generate correct hreflang link tags for multilingual and multi-regional sites.

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.htaccess Redirect Generator

Generate Apache .htaccess rules for 301 redirects, www, HTTPS and slash handling.

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Meta Robots Tag Generator

Build the right meta robots and X-Robots-Tag directives for any indexing scenario.

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Log File Analyzer

Upload server access logs to see exactly how Googlebot crawls your site.

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XML Sitemap & Feed Validator

Validate sitemap.xml and RSS/Atom feeds for syntax errors and protocol compliance.

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HTML / CSS / JS Minifier

Minify HTML, CSS and JavaScript in your browser and see the exact size savings.

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⚡ Speed & Performance

Page speed, Core Web Vitals and mobile-friendliness testing.

Page Speed Analyzer

Test any URL with Google PageSpeed Insights and get scored, prioritized fixes.

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Core Web Vitals Monitor

Check real-user LCP, INP and CLS from the Chrome UX Report for any URL or origin.

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Mobile-Friendliness Checker

Audit viewport, tap targets, font sizes and responsive behavior of any page.

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Image Compressor & WebP Converter

Compress JPG/PNG images and convert to WebP in your browser — no upload, no limits.

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Website Page Size Checker

Measure a page’s total weight and see which resources — images, scripts, CSS — are heaviest.

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Website Speed Test

Measure real response time to any website from your location — with multi-run averages.

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Website Down Checker

Is it down for everyone or just you? Check any website’s availability instantly.

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GZIP Compression Test

Check how much a page’s HTML would shrink with GZIP compression — and whether it’s worth fixing.

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Render-Blocking Resources Checker

Find the scripts and stylesheets that delay first paint — the classic PageSpeed complaint, explained.

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Browser Caching & Compression Generator

Generate .htaccess and nginx rules for browser caching, GZIP/Brotli and keep-alive.

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Image Resizer

Resize images to exact pixel dimensions in your browser — single or batch, free.

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PNG ⇄ JPG ⇄ WebP Converter

Convert images between PNG, JPG and WebP formats instantly — no upload.

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Image to Base64 Converter

Convert images to Base64 data URIs for inline CSS/HTML embedding.

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Page Load Time Calculator

Estimate load time for any page size across 3G, 4G, 5G and broadband speeds.

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Aspect Ratio Calculator

Calculate missing dimensions for any aspect ratio — 16:9, 4:3, custom — instantly.

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🔍 SERP & Social

Preview how your pages appear on Google and social networks.

Google SERP Preview Tool

Preview your title, URL and description exactly as they appear on Google — desktop and mobile.

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Open Graph & Social Card Preview

Preview and generate Open Graph and Twitter Card tags for Facebook, X and LinkedIn.

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Hashtag Generator

Generate relevant hashtags for Instagram, TikTok, X and LinkedIn from any keyword.

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YouTube Tag Generator

Generate optimized YouTube video tags from live search suggestions — within the 500-character limit.

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Social Media Character Counter

Live character limits for X, Instagram, TikTok, LinkedIn, Facebook, YouTube and Google SERP.

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Meta Tag Generator

Generate a complete, copy-paste head section: title, description, robots, OG, Twitter, canonical.

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Emoji Picker (Copy & Paste)

Search hundreds of emojis by name and copy with one click — for titles, posts and bios.

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YouTube Money Calculator

Estimate YouTube earnings by views and niche RPM — daily, monthly and yearly.

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Engagement Rate Calculator

Calculate Instagram, TikTok and X engagement rates — with industry benchmarks.

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Social Media Image Sizes

Every current image size for 8 platforms — searchable, with exact pixels and ratios.

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YouTube Thumbnail Downloader

Download any YouTube video’s thumbnail in every size, up to full HD.

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Fancy Text Generator (Social Fonts)

Convert text into 𝐛𝐨𝐥𝐝, 𝑖𝑡𝑎𝑙𝑖𝑐, 𝓈𝒸𝓇𝒾𝓅𝓉 and 15+ Unicode styles for Instagram, X and TikTok bios.

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Favicon Generator

Create a complete favicon set from text or an emoji — all sizes plus the HTML tags.

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OG Image Generator

Design a 1200×630 social share image with your title and brand colors — download as PNG.

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YouTube Description Generator

Build an SEO-optimized YouTube description with chapters, links and hashtags in one click.

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🔗 Links & Authority

Backlinks, domain authority and anchor text analysis.

Backlink Analyzer

Analyze backlink exports: referring domains, anchors, dofollow ratio and toxic patterns.

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Domain Authority Estimator

Estimate domain strength from measurable inputs: age, referring domains, traffic and indexation.

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Anchor Text Analyzer

Classify anchor text distribution: branded, exact match, partial, naked URL and generic.

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Disavow File Generator

Build a correctly formatted Google disavow file from your list of toxic links and domains.

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Link Extractor & Nofollow Checker

Extract every link from a page with dofollow/nofollow, sponsored, UGC and target details.

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Broken Backlink Finder

Check which of your backlinks still exist — find dead linking pages and lost links.

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Guest Post & Link Prospect Finder

Generate proven Google search operators to find guest post and link opportunities in any niche.

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Link Outreach Email Generator

Generate personalized outreach emails for guest posts, broken links and unlinked mentions.

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Internal PageRank Calculator

Simulate how PageRank flows through your internal links and find your strongest pages.

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Backlink Value Calculator

Estimate what a backlink is worth in dollars from authority, traffic, and placement.

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HTML Link Generator

Build perfect <a> tags with rel, target and title attributes — no syntax memorizing.

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Bulk URL Opener

Open a list of URLs in tabs at once — with dedupe, validation and click-through mode.

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Amazon Affiliate Link Generator

Turn any Amazon URL into a clean, short affiliate link with your tag.

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Redirect Mapping Tool

Auto-match old URLs to new URLs for site migrations — fuzzy matching + CSV export.

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Anchor Text Generator

Generate a natural anchor-text mix for your target page — branded, partial, natural phrases.

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🧰 Tracking & Utilities

Rank tracking, ROI math, UTM links and everyday SEO utilities.

Rank Tracker

Log and chart your keyword positions over time — stored privately in your browser.

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SEO ROI Calculator

Model traffic, conversions and revenue from rankings — and calculate true SEO ROI.

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UTM Campaign URL Builder

Build clean, consistent UTM-tagged URLs for campaign tracking in GA4.

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URL Encoder / Decoder

Encode and decode URLs and query strings safely, with component-level control.

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URL Slug Generator

Convert any title into a clean, SEO-friendly URL slug with custom rules.

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Text Case Converter

Convert text between Title Case, sentence case, UPPER, lower, camelCase and more.

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QR Code Generator

Create free QR codes for URLs, text, Wi-Fi and contact info — download as PNG.

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Base64 Encoder / Decoder

Encode and decode Base64 text and data-URIs instantly, with full Unicode support.

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Domain Age Checker

Look up when any domain was registered, updated and when it expires — via live RDAP data.

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JSON Formatter & Validator

Format, validate and minify JSON — with clear error locations. Great for schema debugging.

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Password Generator

Generate strong random passwords with custom length and character sets — locally, securely.

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Word to HTML Converter

Paste from Word or Google Docs and get clean HTML — junk styles stripped automatically.

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Timestamp Converter

Convert Unix timestamps to human dates and back — seconds or milliseconds, any timezone.

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Text Compare (Diff Checker)

Compare two texts side by side with additions and deletions highlighted.

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What Is My IP / IP Lookup

See your public IP instantly, or look up any IP’s location, ISP and network.

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📰 Latest from the Blog

Practical guides that put these tools to work.

Browse all 14 articles →