Workflows
Free Online Tools for SEO Specialists
SEO work is mostly small precise tasks done just before something ships — writing a title that will not truncate, checking a share card renders, confirming a rule blocks what you meant it to block. These tools cover that window and run entirely in your browser, which matters because the pages you are working on are usually unreleased. No account, no rate limits, and no draft titles sent to somebody else's server.
20 tools in this kit — all browser-based, no signup required
Kit contents20 items
01Meta Tag GeneratorGenerate SEO meta tags, Open Graph, and Twitter Card markup with a live Google result preview. Pixel-accurate truncation warnings. Free, no signup.Generate SEO meta tags, Open Graph, and Twitter Card markup with a live Google result preview. Pixel-accurate truncation warnings. Free, no signup.SEO02Schema Markup GeneratorGenerate JSON-LD structured data for Article, FAQ, Product, LocalBusiness, Breadcrumb, HowTo and Organization. Free schema markup generator, no signup.Generate JSON-LD structured data for Article, FAQ, Product, LocalBusiness, Breadcrumb, HowTo and Organization. Free schema markup generator, no signup.SEO03Robots.txt Generator & TesterGenerate a robots.txt file and test any URL against your rules. Shows exactly which rule wins, using Google's longest-match precedence. Free, no signup.Generate a robots.txt file and test any URL against your rules. Shows exactly which rule wins, using Google's longest-match precedence. Free, no signup.SEO04XML Sitemap GeneratorTurn a list of URLs into a valid sitemap.xml with lastmod, changefreq and priority. Removes duplicates, validates URLs. Free, runs in your browser.Turn a list of URLs into a valid sitemap.xml with lastmod, changefreq and priority. Removes duplicates, validates URLs. Free, runs in your browser.SEO05Open Graph Preview & DebuggerPaste your meta tags and see exactly how the link will look on Facebook, LinkedIn and X — plus a check for the mistakes that break social cards. Free.Paste your meta tags and see exactly how the link will look on Facebook, LinkedIn and X — plus a check for the mistakes that break social cards. Free.SEO06Redirect GeneratorTurn a list of old and new URLs into 301 redirects for Apache, Nginx, Netlify or Vercel. Detects redirect chains and loops. Free, runs in your browser.Turn a list of old and new URLs into 301 redirects for Apache, Nginx, Netlify or Vercel. Detects redirect chains and loops. Free, runs in your browser.SEO07Hreflang Tag GeneratorGenerate hreflang tags for multilingual sites as HTML, HTTP headers or XML sitemap entries. Validates codes and catches duplicates. Free, no signup.Generate hreflang tags for multilingual sites as HTML, HTTP headers or XML sitemap entries. Validates codes and catches duplicates. Free, no signup.SEO08Keyword Density AnalyserAnalyse keyword density with 1-, 2- and 3-word phrases, stop-word filtering, and over-use warnings. Free, runs in your browser, no signup.Analyse keyword density with 1-, 2- and 3-word phrases, stop-word filtering, and over-use warnings. Free, runs in your browser, no signup.SEO09Readability CheckerCheck readability with Flesch Reading Ease, Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau and ARI. Free readability scores in your browser, no signup.Check readability with Flesch Reading Ease, Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau and ARI. Free readability scores in your browser, no signup.SEO10UTM Campaign BuilderBuild tagged campaign URLs with utm_source, utm_medium and utm_campaign. Presets, lowercase normalisation, and validation. Free UTM builder, no signup.Build tagged campaign URLs with utm_source, utm_medium and utm_campaign. Presets, lowercase normalisation, and validation. Free UTM builder, no signup.SEO11Slug GeneratorGenerate clean, SEO-friendly URL slugs from any text online for free. Perfect for blog posts, product pages, and web content. No signup required.Generate clean, SEO-friendly URL slugs from any text online for free. Perfect for blog posts, product pages, and web content. No signup required.Text12Reading Time CalculatorCalculate how long it takes to read any text online for free. Estimate reading and speaking time based on word count and custom speeds. No signup required.Calculate how long it takes to read any text online for free. Estimate reading and speaking time based on word count and custom speeds. No signup required.Utility13Word CounterFree online word counter and word count checker. Count words, characters, sentences, and paragraphs in real time with reading-time estimates. No signup required.Free online word counter and word count checker. Count words, characters, sentences, and paragraphs in real time with reading-time estimates. No signup required.Text14Word Frequency CounterCount word frequency online for free. Get a ranked table of your most-used words with an optional stop-word filter. No installs, no signup required.Count word frequency online for free. Get a ranked table of your most-used words with an optional stop-word filter. No installs, no signup required.Text15Image CompressorCompress images online for free with minimal quality loss. Reduce file sizes by up to 80% for faster websites and smaller uploads. No signup required.Compress images online for free with minimal quality loss. Reduce file sizes by up to 80% for faster websites and smaller uploads. No signup required.Image16WEBP ConverterConvert PNG, JPG, GIF, and BMP images to WebP format online for free. Reduce file sizes while maintaining quality. No signup required.Convert PNG, JPG, GIF, and BMP images to WebP format online for free. Reduce file sizes while maintaining quality. No signup required.Image17Favicon GeneratorTurn any image into a complete favicon package: a real multi-size .ico, PNGs for every platform, a web manifest, and the HTML snippet. Free.Turn any image into a complete favicon package: a real multi-size .ico, PNGs for every platform, a web manifest, and the HTML snippet. Free.Image18HTML MinifierMinify HTML code online for free. Remove whitespace, comments, and unnecessary attributes to reduce file size and improve page load speed. No signup required.Minify HTML code online for free. Remove whitespace, comments, and unnecessary attributes to reduce file size and improve page load speed. No signup required.Developer19JSON FormatterFormat, beautify, and validate JSON data online for free. Instantly prettify minified JSON with syntax highlighting and error detection. No signup required.Format, beautify, and validate JSON data online for free. Instantly prettify minified JSON with syntax highlighting and error detection. No signup required.Developer20Text Diff CheckerCompare two texts online for free with line-by-line diff highlighting. Spot added and removed lines instantly in your browser. No signup required.Compare two texts online for free with line-by-line diff highlighting. Spot added and removed lines instantly in your browser. No signup required.Developer
The full toolkit
Explore all 138 free tools.
These are just a selection. Browse the full collection of free, privacy-first browser tools.
Browse all tools