Email Signature Generator - Online Professional HTML Footer
Design a clean, professional email signature with your photo, links, and disclaimers. Copy the HTML to use in Gmail/Outlook.
UD5 Toolkit
Design a clean, professional email signature with your photo, links, and disclaimers. Copy the HTML to use in Gmail/Outlook.
Type your name and create a stylized ASCII text banner for email signatures or forum posts. Choose a font style.
Create a polished HTML email signature with your photo, links, and company details. Live preview and copy HTML to clipboard. Works with Gmail, Outlook, Apple Mail.
Paste a website's HTML and see which text is only visible to screen readers (e.g., .sr‑only). Preview the accessible layer.
Design borders with linear or conic gradients. Supports border‑image and background‑clip methods. Copy optimized CSS.
Compare two text blocks and highlight differences line by line. Ideal for code review and document revisions. All diffs computed locally for privacy.
Enter HTML with aria-labels and see what a screen reader would announce. Simulates common patterns. Local educational tool.
Simulate a traceroute by entering a destination IP. Learn about AS paths and latency. Does not send real packets; educational visualisation.
Draw pixel art with a grid, color palette, and eraser. Export as PNG. Perfect for game developers and hobbyists.
Compose messages with bold, italic, links, and code. See the raw HTML or Markdown for your Telegram bot API calls.
Draw walls on a grid and watch A*, Dijkstra, or BFS find the shortest path. Interactive animation. Learn graph traversal.
Paste an HTML snippet and see how a screen reader might interpret it. Highlights missing alt texts and ARIA misuses. Educational.
Paste response headers string and get a security audit. Check presence and configuration of key security headers. Local analysis.
Paste a user agent string to get a human-readable breakdown of browser, operating system, and device. See your own current agent info automatically.
Browse Unicode by block: Latin, Cyrillic, CJK, Emoticons. See characters and copy with a click. Full reference.
Graph a cubic‑bezier or steps easing function and see a bouncing ball animation using it. Copy the CSS timing‑function.
See your monitor's color depth and pixel depth. Detect if HDR or wide gamut is available using media queries.
Paste a robots.txt file and validate its syntax. See if a specific user‑agent can access a path. Essential for webmasters.
Paste a JSON Web Token and decode its header and payload. Verify signature if you provide the secret. Fully local.
Paste two JSON objects and find the structural differences with side‑by‑side highlighted output. Indispensable for API debugging.
Test if a script or style will be allowed by a given CSP. Compute hash/nonce. Strengthen your site’s defense against XSS. Local.
Enter a URL and see the full redirect chain with status codes and response times. Also validates against your chosen rule.
Look at HTTP headers and JavaScript objects to guess which browser extensions might be installed. For awareness.
Test required, pattern, minlength etc. See validity states and custom error messages. Learn browser‑native validation.
Paste a potential XSS vector and see if it executes in a sandboxed iframe. For security researchers and education.
Parse a URL's query string into a key-value table, or build a query string from parameters. Perfect for API testing and web development.
Build an iframe with different sandbox flags and see live which features are blocked. For secure embedding.
Generate a storyboard grid with notes area. Print or fill online. Pre-production helper.
Generate a small printable note with an encouraging message or joke to slip into a lunchbox.
Custom dimensions for a square paper box with lid. Generate SVG/PDF for cutting. Perfect for small gifts.