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Free SEO Tools Built for
Agency Professionals

Six purpose-built tools for the tasks SEO professionals do every day — previewing snippets, building schema markup, checking keyword density, and calculating ROI. All free, all in-browser.

6Free Tools
0Signup Required
100%Browser-Based
AgencyFocused
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On-Page SEO

Analyse and optimise what search engines read on every page.

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SERP Snippet Preview

Most Popular
On-Page SEO

See exactly how your page title and meta description render in Google desktop and mobile results — live, as you type.

Best for: Spot truncation before publishing. Share previews with clients for approval.

✍️

Title Tag Analyser

On-Page SEO

Score your title tags on length, keyword placement, power words, and click-through potential. Get an A–F grade with specific recommendations.

Best for: QA title tags at scale across a client site before a relaunch.

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Keyword Density Checker

On-Page SEO

Analyse keyword frequency and density across any pasted content. Avoid over-optimisation and surface coverage gaps before you publish.

Best for: Review content against target keywords before publication.

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Technical SEO

Build technical SEO assets that search engines require.

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Schema Markup Generator

Agency Essential
Technical SEO

Generate valid JSON-LD structured data for FAQ, HowTo, Article, LocalBusiness, and BreadcrumbList schemas. Copy-paste ready.

Best for: Create rich-result markup for client pages without writing JSON by hand.

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Robots.txt Generator

Technical SEO

Build a robots.txt file with a visual rule editor. Apply presets for AI crawler blocking, private path exclusions, and clean all-allow configurations.

Best for: New site launches, technical audits, and blocking AI training crawlers.

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Strategy & ROI

Quantify the value of SEO to stakeholders and clients.

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SEO ROI Calculator

Client-Ready
Strategy & ROI

Calculate the expected traffic, leads, and revenue return from moving up the SERPs. Uses position-to-CTR data for accurate projections.

Best for: Build compelling SEO business cases for prospects and internal stakeholders.

Why These Tools Exist

Built for the daily reality of agency SEO

Agency SEO work is relentless. You're writing title tags for 200 pages, generating schema markup for a local chain, justifying spend to a sceptical CFO, and catching technical issues before launch — all in the same week.

Most free SEO tools are either stripped-down trial versions of paid software (with forced sign-ups and daily limits) or so basic they're barely useful. SaySEO's tools are different: they're standalone utilities that do one thing well, with no account wall in the way.

Every tool on this page runs entirely in your browser. No data is sent to any server. You can use them on client data without any privacy concerns.

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Private by default

Everything runs in your browser. No data leaves your machine — safe to use with confidential client projects.

Instant results

No loading spinners or server round-trips. All analysis happens locally in milliseconds.

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Free forever

No freemium tricks. No daily limits. No sign-up wall. These tools are free because useful tools build trust.

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Agency-shaped

Built around real agency workflows — title tag QA, schema generation, client ROI reports, and new-site technical setup.

FAQ

Frequently asked questions

Are these SEO tools really free?

Yes. All SaySEO tools are completely free with no account required. They run entirely in your browser — no data is sent to any server. There are no paid tiers, upsells, or rate limits.

Do I need to create an account to use the tools?

No account is required. Open any tool page and start using it immediately. We deliberately built these tools to work without authentication because we know SEO professionals need to move fast.

Who are these tools designed for?

SaySEO's free tools are built primarily for agency-side SEO professionals — consultants and in-house teams who need quick, reliable utilities for daily tasks like writing title tags, building schema markup, and justifying SEO spend to clients. They also work well for freelancers and in-house SEOs.

How is the SERP preview tool different from Google Search Console?

Google Search Console shows historical performance data after your pages are live and indexed. The SaySEO SERP preview tool lets you check and refine your title tags and meta descriptions before publishing — catching truncation issues, length problems, and click-through weaknesses at the content creation stage.

What schema types does the schema generator support?

The SaySEO schema markup generator supports five schema types: FAQPage (for Q&A content), HowTo (step-by-step guides), Article (blog posts and news), LocalBusiness (for local SEO clients), and BreadcrumbList (navigation breadcrumbs). All output is valid JSON-LD formatted for Google's Rich Results.

How accurate is the SEO ROI calculator?

The calculator uses industry-standard CTR benchmarks by SERP position (position 1 ≈ 39.8% CTR, position 3 ≈ 10.2%, position 10 ≈ 2.0%) combined with your actual conversion rate and average order value. Projections are directionally accurate for business cases, though real-world results vary based on brand, intent, and seasonality.

Need to buy a tool, not just use one?

Read our independent reviews of Semrush, Ahrefs, SE Ranking, and 30+ more SEO platforms before spending a penny.