Free tools for website owners, marketers and developers: write better titles and descriptions, generate structured data and server rules, check speed and clean up code.
On-page SEO
Meta Title & Description GeneratorWrite page titles and meta descriptions within length limits.
Open Graph & Twitter Card GeneratorCreate the tags that control link previews on social apps.
URL Slug GeneratorTurn any title into a clean, readable URL.
SEO Content Analyzer & Keyword DensityCheck keyword use, length and structure of an article.
Keyword Clustering & Topic AnalyzerGroup a keyword list into topics for planning pages.
Word Counter & Content AnalyzerCount words, characters and reading time.
Technical SEO
Website Speed AnalyzerRun Google PageSpeed Insights on any URL.
Schema Markup Generator (JSON-LD)Create structured data for articles, products, FAQs and more.
Schema Markup ValidatorCheck JSON-LD for syntax errors and missing fields.
Robots.txt GeneratorBuild a robots.txt file to guide search crawlers.
XML Sitemap GeneratorCreate a sitemap file from a list of URLs.
Bulk 301 Redirect GeneratorTurn a list of old and new URLs into redirect rules.
.htaccess Security & Speed GeneratorGenerate Apache rules for HTTPS, headers and caching.
Security Headers GeneratorBuild HTTP security headers for your server.
Security Headers CheckerReview which security headers a site sends.
SSL Certificate DecoderRead the details inside a PEM certificate.
Marketing and analytics
UTM Link BuilderTag campaign links for Google Analytics.
SEO Traffic Drop Revenue CalculatorEstimate the revenue impact of losing rankings.
Social Media Engagement CalculatorWork out engagement rate for a post or account.
WhatsApp Click-to-Chat Link GeneratorCreate a wa.me link with a pre-filled message.
Developer tools
JSON Formatter & ValidatorFormat, minify and validate JSON.
JSON ↔ CSV ConverterConvert between JSON and spreadsheet-friendly CSV.
Base64 Encoder & DecoderEncode or decode text in Base64, including URL-safe mode.
Regex TesterTest regular expressions against sample text.
HTML MinifierRemove whitespace and comments from HTML.
CSS Minifier & FormatterMinify or beautify CSS.
JavaScript Minifier & FormatterMinify or beautify JavaScript.
Markdown to HTML ConverterConvert Markdown with a live preview.
HTML Entity Encoder/DecoderEscape or unescape special characters.
Binary, Decimal & Hex ConverterConvert numbers between bases.
CSS Gradient GeneratorDesign linear gradients and copy the CSS.
CSS Box Shadow GeneratorBuild box-shadow values visually.
CSS Color PickerPick colours and get HEX, RGB and HSL codes.
Glassmorphism & Neumorphism GeneratorGenerate CSS for frosted-glass and soft UI styles.
SVG Wave & Divider GeneratorCreate SVG section dividers.
How to use these tools well
- Start with the basics: a unique title and description for every page, clean URLs and a sitemap.
- Change server files such as .htaccess one rule at a time and keep a backup.
- Test structured data in Google's Rich Results Test after adding it.