Web / Frontend Tools

Preview how meta tags and OpenGraph data appear on social platforms

Convert Tailwind CSS classes to vanilla CSS properties

Convert HTML to valid React JSX syntax

Convert HTML content to Markdown format

Convert SVG markup into a React component

Convert between 14+ CSS units: px, rem, em, vw, vh, vmin, vmax, pt, cm, mm, in, %, ch, ex

Validate robots.txt syntax and check for common issues

Validate sitemap.xml structure and check for common issues

Validate RSS 2.0 and Atom feed XML structure

Generate CSS box-shadow values from parameters

Generate CSS clip-path polygon values

Generate CSS flexbox layouts from property combinations

Generate CSS cubic-bezier timing functions from control points

Check HTML for common accessibility issues (ARIA, alt text, headings)

Validate JSON-LD schema.org structured data

Validate OpenGraph meta tags and preview how URLs appear when shared

Generate sitemap.xml from a list of URLs with priority and frequency

Validate favicon HTML tags and preview all icon sizes

Generate a pixel-to-rem scale table for a chosen base size

Break a URL into scheme, host, path, query, fragment

Turn ?a=1&b=foo into a flat JSON object

Parse Cookie / Set-Cookie header into name=value + attribute list

Pretty-print raw HTTP headers with inline meanings

Build interactive forms with validation rules, field types, and conditional logic

Generate surveys with multiple question types, ratings, and NPS scales

Build structured questionnaires with sections, weighted questions, and response scales

Build landing page templates with hero sections, features, and CTAs

Create responsive email templates with variables, sections, and styling

Design newsletter templates with article sections, headers, and footers

Generate SEO meta tags, Open Graph, and Twitter Card tags for web pages

Build robots.txt files with allow/disallow rules and sitemap directives

Build analytics tracking code with event configuration and implementation details

Check HTML content for WCAG accessibility issues and violations

Audit website performance metrics, load times, and resource usage

Analyze SEO score with recommendations for keywords, headers, and meta tags

Find broken links and validate URLs in HTML content

Detect duplicate text, phrases, and paragraphs in content

Analyze keyword density and frequency distribution in text

Check content readability with Flesch-Kincaid and other readability scores

Check content for grammar issues, spelling mistakes, and style improvements

Detect plagiarized content and calculate originality percentage

Score overall content quality with detailed breakdown of metrics and recommendations