Directory

All tools

155 tools across 13 categories (155 live today). Each tool has its own page — pick from the grid or jump to a category.

We're building toward 999 small SEO tools on SEOToolkits — 700+ more modules on the roadmap.

Jump to category13 categories

Content & Writing

37tools

Score, optimize, and refine on-page content at scale.

AI Content Detector

Live

Estimate the probability that a passage was written by an LLM.

Content & Writing
Open tool

Claim & Fact Extractor

Live

Pull verifiable claims and facts out of long-form content.

Content & Writing
Open tool

Content Brief Generator

New
Live

Turn a target keyword into a writer-ready outline and brief.

Content & Writing
Open tool

Content Calendar Generator

Live

Plan a publishing cadence from your topical authority map.

Content & Writing
Open tool

Content Consolidator

New
Live

Find merge candidates among overlapping URLs and recommend a canonical.

Content & Writing
Open tool

Content Decay Detector

Live

Spot pages losing traffic before they drop off the SERP.

Content & Writing
Open tool

Content Diff Tracker

Live

Track how a page's content has changed across snapshots.

Content & Writing
Open tool

Content Embedding Visualizer

Trending
Live

Plot pages in vector space to find clusters and outliers.

Content & Writing
Open tool

Content Freshness Scorer

Live

Score how up-to-date your articles are against query intent.

Content & Writing
Open tool

Content Gap Mapper

Hot
Live

Surface topics your competitors rank for that you don't cover.

Content & Writing
Open tool

Content Length Benchmarker

Live

Compare word count against top-ranking pages for your keyword.

Content & Writing
Open tool

Content Optimizer

Live

Recommend on-page changes against the SERP's winning patterns.

Content & Writing
Open tool

Content Pruning Analyzer

Live

Identify low-value pages for removal, redirect, or rewrite.

Content & Writing
Open tool

Content Repurposer

Live

Reshape one article into newsletters, threads, and clip scripts.

Content & Writing
Open tool

Content Scoring (ML)

Live

ML-based score combining readability, depth, and SERP-fit signals.

Content & Writing
Open tool

Content Similarity Checker

Live

Detect near-duplicate pages within and across your domains.

Content & Writing
Open tool

Content Uniqueness Scorer

Live

Score how distinctive a page is versus the indexed web.

Content & Writing
Open tool

Emotion Classifier

Live

Tag passages by emotional register: trust, joy, fear, anger.

Content & Writing
Open tool

Jargon Simplifier

Live

Rewrite expert-speak into accessible language without losing meaning.

Content & Writing
Open tool

Paragraph Optimizer

Live

Tighten paragraphs for scanability and topical density.

Content & Writing
Open tool

Paraphrase Quality Scorer

Live

Grade rewrites on faithfulness, fluency, and originality.

Content & Writing
Open tool

Persuasion Technique Detector

Live

Spot rhetorical devices: scarcity, social proof, anchoring, etc.

Content & Writing
Open tool

Product Description Scorer

Live

Rate ecommerce copy on clarity, benefit-focus, and SEO fit.

Content & Writing
Open tool

Readability Analyzer

Live

Flesch, Gunning Fog, and SMOG scores plus per-paragraph signals.

Content & Writing
Open tool

Review Response Generator

Live

Draft on-brand replies to customer reviews at scale.

Content & Writing
Open tool

Semantic Content Outliner

Live

Build outlines from entity graphs, not just heading scrapes.

Content & Writing
Open tool

Semantic Drift Detector

Live

Flag pages whose topic has slowly drifted from their target query.

Content & Writing
Open tool

Sentence Complexity

Live

Per-sentence complexity scoring with rewrite suggestions.

Content & Writing
Open tool

Sentiment Analyzer

Live

Document- and span-level sentiment with confidence scores.

Content & Writing
Open tool

Text Chunker

Live

Split long content into semantic chunks for embeddings or RAG.

Content & Writing
Open tool

Text Normalizer

Live

Normalize whitespace, casing, smart quotes, and unicode artifacts.

Content & Writing
Open tool

Text Summarizer (SEO)

Live

Generate meta-friendly TL;DR summaries with target keywords.

Content & Writing
Open tool

Thin Content Detector

Live

Find pages too short or shallow to compete on their target query.

Content & Writing
Open tool

Tone & Voice Analyzer

Live

Measure tone drift against your brand style guide.

Content & Writing
Open tool

Transition Flow Analyzer

Live

Score how smoothly paragraphs connect and recommend bridges.

Content & Writing
Open tool

Update Docs (AI)

Live

Refresh dated docs against current product behavior automatically.

Content & Writing
Open tool

Writing Style Profiler

Live

Profile an author's voice from a corpus for consistency checks.

Content & Writing
Open tool

Keyword Research

18tools

Discover, cluster, and prioritize keyword opportunities.

Geo Keyword Expander

Live

Expand a seed term across cities, regions, and neighborhoods.

Keyword Research
Open tool

GSC Cannibalization Tracker

Live

Spot URL pairs competing for the same query in Search Console.

Keyword Research
Open tool

GSC → Content Brief

Live

Turn underperforming GSC queries into ready-to-write briefs.

Keyword Research
Open tool

Keyphrase Extractor

Live

Extract the strongest noun phrases from any document.

Keyword Research
Open tool

Keyword Cannibalization

New
Live

Find pages on your site fighting each other for the same term.

Keyword Research
Open tool

Keyword Clustering

New
Live

Group keywords into topical clusters by SERP overlap.

Keyword Research
Open tool

Keyword Difficulty Estimator

Live

Estimate ranking difficulty from SERP and link signals.

Keyword Research
Open tool

Keyword Gap Analyzer

Live

Discover keywords competitors rank for that you miss.

Keyword Research
Open tool

Keyword Intent Classifier

New
Live

Tag queries as informational, navigational, transactional, commercial.

Keyword Research
Open tool

Keyword Modifier Expander

Live

Generate qualifier-based variants (best, vs, near me, alternatives).

Keyword Research
Open tool

Keyword Seasonality Analyzer

Live

Detect seasonal demand cycles across your keyword set.

Keyword Research
Open tool

Keyword Trend Forecaster

Live

Project future search demand using time-series models.

Keyword Research
Open tool

Long-tail Generator

Live

Mine long-tail variants from autocomplete and PAA.

Keyword Research
Open tool

LSI Keyword Finder

Live

Surface co-occurring terms top pages share for your topic.

Keyword Research
Open tool

N-gram Analyzer

Live

Frequency tables of bigrams, trigrams, and 4-grams in any text.

Keyword Research
Open tool

Search Volume Estimator

Live

Estimate monthly volume from clickstream and SERP signals.

Keyword Research
Open tool

TF-IDF Extractor

Live

Pull the most distinctive terms in a document vs. a corpus.

Keyword Research
Open tool

Word Frequency Analyzer

Live

Frequency, density, and stop-word filtering for any corpus.

Keyword Research
Open tool

Technical SEO

23tools

Crawlability, indexing, redirects, performance, and migrations.

Canonical Checker

Live

Validate canonical tags across a domain for consistency.

Technical SEO
Open tool

Core Web Vitals Estimator

Live

Estimate LCP, INP, and CLS heuristics from a live URL fetch and HTML parse.

Technical SEO
Open tool

Crawl Budget Optimizer

Live

Identify wasted crawl on low-value or duplicate URLs.

Technical SEO
Open tool

Ecommerce Site Auditor

Live

Storefront audit: faceted nav, schema, OOS handling, more.

Technical SEO
Open tool

Hreflang Validator

Live

Validate hreflang annotations for return tags and locale codes.

Technical SEO
Open tool

HTTP Header Auditor

Live

Audit response headers: caching, compression, security, robots.

Technical SEO
Open tool

Image SEO Analyzer

Live

Audit alt text, file size, format, lazy-loading, and dimensions.

Technical SEO
Open tool

Indexability Checker

Live

Determine why specific URLs aren't getting indexed.

Technical SEO
Open tool

JavaScript Rendering Checker

Live

Compare rendered vs. raw HTML to find JS-blocked content.

Technical SEO
Open tool

Log File Analyzer

Live

Parse server logs to see what Googlebot actually crawls.

Technical SEO
Open tool

Mobile-Friendly Checker

Live

Check viewport, tap targets, and mobile usability signals.

Technical SEO
Open tool

Page Speed Analyzer

Live

Lighthouse-style report with prioritized fix recommendations.

Technical SEO
Open tool

Pagination Analyzer

Live

Audit pagination signals (rel=next/prev, canonicals, JS).

Technical SEO
Open tool

Post-Migration Auditor

Live

Compare pre/post-migration crawls for regressions and 404s.

Technical SEO
Open tool

Redirect Chain Checker

Live

Find chains and inefficient hops in your 301/302 graph.

Technical SEO
Open tool

Redirect Loop Detector

Live

Detect infinite-loop redirects and cycles between URLs.

Technical SEO
Open tool

Redirect Map Generator

Live

Generate one-to-one redirect maps for site migrations.

Technical SEO
Open tool

Robots.txt Analyzer

Live

Test directives against URLs and user-agents at scale.

Technical SEO
Open tool

Site Audit Summary

Live

Roll up multiple audits into a one-page health summary.

Technical SEO
Open tool

Full Site Audit

Hot
Live

Comprehensive single-page audit across 13+ categories with optional keyword/brand/NAP/competitor inputs and print/HTML export.

Technical SEO
Open tool

Site Migration Mapper

Live

Map source URLs to destination URLs for migrations.

Technical SEO
Open tool

Sitemap Analyzer

Live

Audit XML sitemaps for coverage, errors, and stale entries.

Technical SEO
Open tool

XML Sitemap Generator

Live

Generate a clean, segmented XML sitemap from a crawl.

Technical SEO
Open tool

Local SEO

4tools

Citations, multi-location schema, and local competitors.

SERP & Rankings

13tools

Track positions, snippets, AI overviews, and SERP volatility.

Schema & Structured Data

5tools

Generate, validate, and monitor JSON-LD markup.

On-Page & Meta

13tools

Titles, headings, meta tags, E-E-A-T, and slug analysis.

Analytics & Reporting

4tools

Pull GA / GSC data into briefs, dashboards, and reports.

Competitor & Strategy

3tools

Reverse-engineer competitor content and link strategy.

International SEO

2tools

Multilingual content audits and cross-region targeting.

Entity & Semantic

6tools

Extract entities, questions, relations, and topic models.