Communication

Create professional HTML email signatures with logos, social links, and custom styling.

Paste HTML email code and preview it in simulated email client frames (Gmail, Outlook, Apple Mail). Responsive test.

Fill in vCard fields and generate a QR code plus styled digital business card. Download both as images.

Enter two colors and check WCAG AA/AAA contrast ratios. Live preview of text on background with pass/fail badges.

Analyze text readability using Flesch-Kincaid, Gunning Fog, and other scoring methods.

Visual drag-and-drop email template builder. Add sections, images, buttons, and export clean HTML code.

Generate JSON-LD structured data markup for articles, products, events, and more.

Create Open Graph meta tags for perfect social media previews on Facebook, Twitter, and LinkedIn.

Build FAQ structured data markup that enables rich results in Google search.

Input one brand color and auto-generate a full color system with shades, tints, semantic colors, and dark mode palette.

Browse Google Fonts pairings. Preview heading and body font combos with live sample text. Filter by style.

Paste HTML or enter a URL to preview at iPhone, iPad, and desktop viewport sizes side-by-side with real iframe rendering.

Resize and crop images to standard email banner dimensions for all major clients.

Crop and resize photos to standard profile picture dimensions for social platforms.

Preview business card designs with standard dimensions, bleed areas, and safe zones.