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.
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.
Compose messages with bold, italic, links, and code. See the raw HTML or Markdown for your Telegram bot API calls.
Create custom traceable handwriting worksheets with name or sentence. Print in dotted font. Great for teachers and parents.
Paste a JSON Web Token and decode its header and payload. Verify signature if you provide the secret. Fully local.
Paste a potential XSS vector and see if it executes in a sandboxed iframe. For security researchers and education.
Draw pixel art with a grid, color palette, and eraser. Export as PNG. Perfect for game developers and hobbyists.
Browse Unicode by block: Latin, Cyrillic, CJK, Emoticons. See characters and copy with a click. Full reference.
Paste response headers string and get a security audit. Check presence and configuration of key security headers. Local analysis.
Paste a website's HTML and see which text is only visible to screen readers (e.g., .srโonly). Preview the accessible layer.
Design borders with linear or conic gradients. Supports borderโimage and backgroundโclip methods. Copy optimized CSS.
Paste an HTML snippet and see how a screen reader might interpret it. Highlights missing alt texts and ARIA misuses. Educational.
Test if a script or style will be allowed by a given CSP. Compute hash/nonce. Strengthen your siteโs defense against XSS. Local.
Enter HTML with aria-labels and see what a screen reader would announce. Simulates common patterns. Local educational tool.
Graph a cubicโbezier or steps easing function and see a bouncing ball animation using it. Copy the CSS timingโfunction.
Paste a robots.txt file and validate its syntax. See if a specific userโagent can access a path. Essential for webmasters.
Look at HTTP headers and JavaScript objects to guess which browser extensions might be installed. For awareness.
Compare two text blocks and highlight differences line by line. Ideal for code review and document revisions. All diffs computed locally for privacy.
Build an iframe with different sandbox flags and see live which features are blocked. For secure embedding.
Paste a user agent string to get a human-readable breakdown of browser, operating system, and device. See your own current agent info automatically.
Paste two JSON objects and find the structural differences with sideโbyโside highlighted output. Indispensable for API debugging.
Draw walls on a grid and watch A*, Dijkstra, or BFS find the shortest path. Interactive animation. Learn graph traversal.
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.
Simulate a traceroute by entering a destination IP. Learn about AS paths and latency. Does not send real packets; educational visualisation.
See your monitor's color depth and pixel depth. Detect if HDR or wide gamut is available using media queries.
Enter a URL and see the full redirect chain with status codes and response times. Also validates against your chosen rule.
Test required, pattern, minlength etc. See validity states and custom error messages. Learn browserโnative validation.
Type text and render as ASCII art banner using FIGlet fonts. Copy to plain text or code comments. Multiple styles available. Nostalgic fun.
Draw your signature on a canvas and overlay it onto a PDF document. All editing stays in your browser.
Paste a JWT and a public key or secret to verify the signature. Supports HS256, RS256, ES256. All operations local.