SEO Optimization Kit
Improve your site's search visibility with meta tag creators, keyword analysers, content readability tools, and structured-data helpers.
Tools in This Collection
25 toolsCase Converter
Convert text to UPPERCASE, Title Case, camelCase, snake_case and 6 other formats at once.
CSS Formatter & Minifier
Expand CSS into one readable declaration per line, or minify it down to a single compact line.
Email Signature Generator
Build a clean, professional HTML email signature with your name, title, photo and social links — then copy it straight into Gmail or Outlook.
Email Template Builder
Stack headings, paragraphs, buttons, images, dividers and spacers into a ready-to-send HTML email — no drag-and-drop plugin required.
Favicon Generator
Turn any image into a complete favicon package — six PNG sizes plus a combined multi-resolution .ico file, generated locally in your browser.
Hashtag Generator
Turn any topic, phrase, or keyword list into ready-to-paste hashtags in multiple casing styles.
HTML Entity Encode & Decode
Convert text to HTML entities and back — escape or unescape angle brackets, ampersands, quotes, and more for safe HTML embedding.
HTML Formatter & Minifier
Pretty-print messy HTML with proper indentation, or minify it by stripping comments and extra whitespace.
Image Compressor
Shrink an image's file size by re-encoding it at a chosen quality level — live before/after size comparison, JPEG/WebP/PNG output, done locally.
Image Resizer
Resize any image to an exact width and height in your browser — optional aspect-ratio lock, PNG/JPEG/WebP output, nothing uploaded.
JavaScript Formatter & Comment Stripper
Re-indent JavaScript based on brace depth, or strip comments and collapse blank lines for a lighter-weight file.
JSON Formatter & Validator
Format, minify, or validate JSON instantly — with syntax highlighting, right in your browser.
Landing Page Builder
Build a simple, responsive landing page from Hero, Features, CTA, Testimonial and Footer blocks, with a live preview and HTML export.
Markdown to HTML Converter
Paste Markdown, see the rendered HTML preview instantly, and copy the generated HTML source — all processed locally in your browser.
Meta Tag Generator
Generate title, description, viewport, robots and canonical meta tags for your page head, with live length warnings.
Open Graph Preview
Preview how your page will look when shared on Facebook, Twitter/X and LinkedIn, and generate the Open Graph meta tags.
QR Code Generator
Generate a real, scannable QR code from text, a URL, Wi-Fi details, an email address or a phone number — encoded entirely in your browser, no external API.
Readability Score Checker
Paste any text to get its Flesch Reading Ease and Flesch-Kincaid Grade Level scores, updated as you type.
Robots.txt Generator
Build a valid robots.txt file with user-agent rules, allow/disallow paths, crawl-delay and a sitemap reference.
SEO Keyword Checker
Check how often your target keywords appear in a piece of text, their density percentage, and whether they show up early in the content.
Slugify URL
Turn a title into a clean, SEO-friendly URL slug — with stopword removal, max-length truncation and a full URL preview.
Text to Slug Converter
Turn any title into a clean, URL-safe slug — lowercase, accents stripped, no spaces.
Word Counter
Live character, word, sentence and paragraph counts, plus estimated reading and speaking time.
XML Formatter, Minifier & Validator
Pretty-print, minify or validate XML using your browser's built-in XML engine — fast and completely offline.
YAML Formatter & Validator
Re-indent YAML to clean 2-space formatting and check it for syntax errors, right in your browser.