SEO & Marketing tools

Title, description, and Open Graph tags with a live Google preview.

Turn any headline into a clean, URL-safe slug.

Check any page's Google performance score and Core Web Vitals, lab and field.

Check any domain's Open PageRank score (0–10) and global rank — free, no credit card.

Build valid JSON-LD for articles, FAQs, products, and businesses.

See how your title and description render in Google, with pixel widths.

Preview your share card on Facebook, X, and LinkedIn before you post.

Compose crawl rules per bot, with presets and a sitemap line.

Turn a list of URLs into a valid sitemap.xml you can download.

Generate alternate-language link tags, with x-default handled.

Count the top words and phrases in pasted text, with percentages.

Get real Google autocomplete suggestions for any seed keyword — free, no key needed.

Add campaign tracking parameters to any URL, cleanly encoded.

Write 301/302 rules for Apache .htaccess or Nginx from a redirect map.

Clean a list of toxic links into a Google-ready disavow.txt.

Generate standard, customized Privacy Policies for websites.

Create customized Terms and Conditions for websites and apps.

Generate customized standard website disclaimers.

Design professional, clean HTML email signatures.

fits Luminus's existing marketing category)*

auto-fix malformed/broken JSON

drag-and-drop tree editor for JSON nodes

validate a JSON document against a JSON Schema

visually construct a JSON Schema from scratch

auto-generate a JSON Schema from a sample document

generate and apply RFC 6902 JSON Patch operations

generate and apply RFC 7396 Merge Patch documents

side-by-side text/JSON comparison tool

full-text search inside a large JSON document

sort keys alphabetically or by value

bulk-rename all occurrences of a key

strip specified keys from a document

apply a JMESPath / jq-style transform expression

collapse nested JSON to a flat key-value map (dot-notation)

split a JSON array into multiple files/chunks

escape special characters for embedding in strings

serialize JSON to a JavaScript/Python string literal

parse a JSON string literal back to formatted JSON

AES-encrypt a JSON payload client-side

show byte size and key-count breakdown of a JSON doc

evaluate RFC 6901 JSON Pointer expressions

convert between JSON arrays and NDJSON (newline-delimited JSON)

generate realistic sample JSON from a schema or template

export JSON to a downloadable spreadsheet

generate INSERT statements from a JSON array

convert JSON to Apache Avro schema + data

generate a `.proto` schema from JSON

convert between JSON and XML Schema Definition

generate Java classes (with getters/setters) from JSON

generate C# model classes from JSON

generate Python type stubs from JSON

fetch a remote JSON endpoint and view/edit it in the browser

aggressive modern compression for web delivery

transparency-ready AVIF output

compatibility fallback from AVIF

lossless working copy from AVIF files

lossless output from iPhone HEIC

pad a transparent/cropped image to a solid-color canvas

selective region blur for faces, plates, sensitive data

pixel-by-pixel comparison of two images with difference heatmap

resize a signature image to exact pixel dimensions for form/portal uploads

preset dimensions for Instagram, YouTube, Twitter, LinkedIn, Open Graph

dedicated square (1080×1080) and portrait (1080×1350) presets

Flesch-Kincaid, Gunning Fog, and SMOG score for a block of text

count how many times a keyword appears and its percentage in pasted text

side-by-side text diff with duplicate phrase highlighting

live word, character, sentence, and paragraph counts with reading-time estimate

pull related keyword ideas and search-volume estimates for a seed keyword

Keywords Density Checker *(duplicate entry consolidated above)* online tool

fetch known backlinks to a URL and flag toxic/low-quality links

crawl a page and report all 4xx/5xx internal links

extract and classify all links (internal, external, nofollow) from a URL

aggregate on-page SEO audit (title, meta, H1, image alt, canonical, speed)

send a ping/HTTP check to a URL and show response time

measure TTFB, FCP, and total load time via a live URL fetch

report total page weight (HTML + assets) for a URL

build a `sitemap.xml` from a list of URLs with priority and changefreq

estimate monthly AdSense revenue from RPM, impressions, and CTR inputs

verify whether a page has AdSense code installed and which ad units are present

check whether a URL passes Google's mobile-friendly criteria

build a `robots.txt` file with allow/disallow rules for common bots

test whether a given URL is allowed or blocked by a pasted `robots.txt`

full-page audit (title, meta, h-tags, images, links, speed) for any URL

generate UTM-tagged URLs for campaign tracking

convert a title or phrase to a clean URL slug

verify whether a URL appears in AI-generated answer results (Google AI Overviews, Perplexity, ChatGPT search)

render a page as a search-engine crawler sees it (no JS, just HTML)

live HTTP status check for a domain with response-code display

check whether a URL is accessible globally or just for the user

look up when a domain was first registered

estimate a domain's authority/trust score

verify how many pages of a domain are indexed in Google

fetch a URL and display all meta tags (title, description, OG, Twitter, robots)

GUI to build optimised `<title>` and `<meta description>` tags with character-count guardrails

visually build JSON-LD for Article, Product, FAQ, BreadcrumbList, and LocalBusiness schema types

live Google SERP preview of a title + description + URL

build `<link rel=\"alternate\" hreflang=\"…\">` tags for multilingual pages

fetch a URL and inspect its OG/Twitter Card tags with a social-preview render

GUI to generate complete OG and Twitter Card meta-tag blocks

generate `<meta name=\"twitter:…\">` tag blocks with card-type preview

combined OG + Twitter Card preview showing how a URL looks when shared on major platforms