GALAXY OF TOOLS

SEO SECTOR · 37 TOOLS

Free SEO & Marketing Tools

Meta tags, SERP previews, schema, sitemaps, broken and internal links, hreflang, keyword intent and UTM links. 37 free tools, no sign-up.

On-page analysis9

Meta tags & structured data4

Keywords & URLs5

Links, sitemaps & crawling8

Campaign tracking11

UTM BuilderAdd utm_source, utm_medium and utm_campaign to any link, with presets, bulk mode and saved history.SEO & MarketingEmail Campaign Metrics CalculatorOpen rate, click-through, click-to-open, bounce, unsubscribe and complaint rates from your campaign counts.SEO & MarketingNet Promoter Score CalculatorPaste 0–10 survey scores or enter counts for the score, promoter/passive/detractor split and margin of error.SEO & MarketingCTR CalculatorClick-through rate from clicks and impressions, with a confidence range and the clicks needed for a target CTR.SEO & MarketingMarketing ROI Calculator (ROMI)Return on a marketing campaign from attributed revenue and gross margin, with ROAS, break-even ROAS, CAC and payback.SEO & MarketingUTM ParserPaste tagged links to see every UTM tag and click ID in a table, catch tagging mistakes and get clean URLs.SEO & MarketingLead Generation ROI CalculatorCost per lead, lead-to-customer rate, cost per customer and the ROI of a lead generation campaign.SEO & MarketingSample Size CalculatorHow many responses or visitors you need: margin of error and confidence for surveys, power analysis for A/B tests.SEO & MarketingChurn & Retention Rate CalculatorCustomer churn and retention, revenue churn with net retention, and employee attrition for any period.SEO & MarketingAd Budget PlannerWork back from a sales or lead target to the ad budget you need, per day, week and month.SEO & MarketingA/B Test Significance CalculatorIs variant B really better than A? Two-proportion z-test, uplift with a range, and the Bayesian chance that B beats A.SEO & Marketing

SEO tools for titles, tags, links and site files

Getting a page found is mostly a matter of details: a title that fits in the search result, a description that earns the click, an image and headline that look right when the link is shared on social media, and a few site files that tell crawlers what to index. These free SEO and marketing tools take care of those details without a paid platform. The meta tag generator writes the head tags for a page, the SERP preview shows how your title and description will look on a results page and warns when they will be cut off, and the Open Graph generator builds the tags that control social previews.

For the technical side there are generators for robots.txt, XML sitemaps, schema markup (JSON-LD for articles, products, FAQs and local businesses) and .htaccess redirects for Apache servers. For content and campaigns, the keyword density checker shows which terms a page repeats, the slug generator turns a headline into a clean URL and the UTM builder tags campaign links so analytics can tell newsletter clicks from social clicks.

Bloggers, small business owners, freelance marketers, web developers and agency teams use these tools because they produce correct, copy-ready output in seconds. Your page text, URLs and campaign names are processed in the browser and never uploaded, so unpublished pages and client work stay confidential. There is no account and no limit on how many tags or links you generate.

Which tag or file does what?

  • Title and meta description appear in search results. They do not rank a page on their own, but a clear, specific title and description decide whether people click. Keep titles around 50 to 60 characters and descriptions around 150 to 160 so they are not truncated.
  • Open Graph and Twitter Card tags control the image, headline and description shown when a link is pasted into WhatsApp, LinkedIn, Facebook, X or Slack. Without them, platforms guess, often badly.
  • robots.txt tells crawlers which paths to leave alone; it does not hide pages from search, so use a noindex tag for that. A sitemap lists the URLs you want crawled and when they changed.
  • Schema markup describes a page in a structured form, which can earn richer search results such as star ratings, FAQ dropdowns and event details.
  • UTM parameters are tags added to a link (source, medium, campaign) so analytics tools can attribute visits. They change nothing on the page itself.

Practical SEO habits

Tools write the tags, but a few habits make them work harder. Pair them with the text tools for word counts and readability checks on the content itself.

  • Give every page a unique title and description. Duplicates waste the chance to match different searches.
  • Write for people first. Keyword density is a sanity check against accidental repetition, not a target to hit; natural writing with the topic mentioned in the title, first paragraph and a heading is enough.
  • Keep slugs short, lowercase and hyphenated, with the main words and no dates or stop words you may regret later.
  • Use consistent UTM naming (lowercase, no spaces) so reports do not split “Newsletter” and “newsletter” into two rows.
  • Redirect old URLs with a 301 when you change a slug so links and rankings carry over.

SEO & Marketing: frequently asked questions

How long should a meta description be?

Aim for about 150 to 160 characters. Search engines may show more or less depending on the device and query, and they sometimes replace it with text from the page, but that length usually displays in full.

What is the difference between robots.txt and noindex?

robots.txt asks crawlers not to fetch certain paths, while a noindex meta tag lets them fetch a page but asks them not to list it. A page blocked in robots.txt can still appear in results if other sites link to it, so use noindex to keep a page out of search.

Do I need a sitemap for a small website?

It is not required, but it helps. A sitemap lists every page you want indexed and when it last changed, which is useful for new sites with few inbound links and for pages that are hard to reach through navigation.

What is schema markup and does it help rankings?

Schema markup is structured data, usually JSON-LD, that describes what a page contains, such as a recipe, product, FAQ or event. It does not directly boost rankings, but it makes a page eligible for rich results that stand out and attract more clicks.

What are UTM parameters?

They are extra query-string fields such as utm_source, utm_medium and utm_campaign that identify where a click came from. Analytics tools read them to credit visits to the right newsletter, ad or post.

Why does my shared link show the wrong image?

Platforms read the Open Graph og:image tag to choose the preview picture. Add one pointing to a full https URL of an image around 1200 × 630 pixels, then use the platform’s link debugger or sharing tool to refresh its cached preview.