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Free SEO tools — research to ROI

Keyword expansion, URL and crawler checks, generators, calculators, and AI tools in your TrustSEO workspace after sign-in.

32 tools · Most run free · AI features need AI Pro

AI-Powered

Alt Text GeneratorPro

Generate descriptive, accessible alt text with Claude (AI Pro).

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Content OptimizerPro

Readability, keyword usage, and AI improvement tips (AI Pro).

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Research & keywords

Keyword Research

Expand seed keywords into informational, commercial, and long-tail ideas.

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Blog Keyword Generator

Blog-focused keyword angles from a topic (same engine, writing-first patterns).

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Keyword Combiner

Merge two lists (locations × services, modifiers × head terms, etc.).

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Analysis & crawling

Meta Analyzer

Fetch and debug meta tags, Open Graph, and Twitter cards from any URL.

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Metadata Check

Quick URL metadata pass: title, description, canonical, robots, social tags.

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Keyword Density

Analyze keyword frequency and density to avoid over-optimization.

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Heading Analyzer

Check heading hierarchy (H1–H6) and structural issues from HTML or pasted content.

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Page Speed Test

Core Web Vitals and lab metrics via PageSpeed Insights.

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Robots.txt Checker

Fetch robots.txt for any site and spot common gaps (e.g. sitemap hints).

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XML Sitemap Checker

Parse sitemap or sitemap index; count URLs and sample entries.

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Crawler Simulator

Fetch a page as Googlebot and compare title, description, and robots meta.

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Canonical Checker

See final URL after redirects vs. rel=canonical (consistency check).

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Headline Analyzer

Length, power words, and heuristic score for titles or list headlines.

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Article Summarizer

Extractive summary: pulls the most representative sentences (no external AI).

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Generators

Meta Description Generator

Click-worthy description drafts with character guidance for SERP snippets.

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Title Tag Generator

Title patterns with length hints; add optional brand suffix.

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URL Slug Generator

Clean, UTF-8-safe slugs for new pages and posts.

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Schema Generator

JSON-LD for Article, Product, FAQ, Organization, and more.

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Robots.txt Generator

Build robots rules, disallows, crawl-delay hints, and sitemap lines.

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Sitemap Generator

Create XML sitemap entries with priority and changefreq.

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Content & planning

Blog Post Ideas

Angle ideas and titles from a topic + focus keyword.

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Blog Outline Generator

H2/H3 skeleton you can paste into your editor.

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Content Brief Generator

Structured brief: goal, audience, keyword, outline, on-page checklist.

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CTA Generator

Call-to-action lines by tone: neutral, urgent, or friendly.

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SEO Checklist

Interactive technical, on-page, and measurement checklist (saved in-browser).

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Previews

SERP Preview

Preview Google-style snippets with pixel/character awareness.

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Open Graph Preview

See link previews for social platforms from your tags.

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Calculators

SEO Cost Calculator

Blend internal hours, agency retainer, and tools into a monthly estimate.

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SEO ROI Calculator

Rough organic revenue from sessions × CVR × AOV, minus spend.

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Utilities

JSON to CSV

Convert JSON arrays to spreadsheet-ready CSV locally in the browser.

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