UD5 Toolkit
JavaScript Keycode Finder - Online Keyboard Event Tool
Press any key to see the corresponding JavaScript event key, code, and keyCode. An essential debugging tool for front-end developers handling keyboard input.
HTML Attribute Remover - Online Clean Up Markup
HTML Attribute Remover
Paste your HTML code below, choose what attributes to strip, and get clean, lightweight markup instantly. All processing is local and private.
Options
data-* to strip all data attributes.
Frequently Asked Questions
It removes HTML attributes you don't need (like
class, style, id, custom data attributes) from your markup while keeping the structure intact. You can strip everything or choose exactly what to remove or keep.Absolutely. All processing is done inside your browser – no HTML is ever uploaded to a server. Your code stays private and secure.
Yes! Enable “Always preserve essential attributes” to protect
href, src, alt, and title. You can also use the “Keep only specific attributes” mode to define your own whitelist.Using
data-* as an attribute name will match every attribute that starts with data- (like data-toggle, data-index). This lets you strip all custom data attributes in one go.It uses the browser’s built‑in HTML parser, so it handles real‑world markup (even if slightly invalid) gracefully. Only attributes are removed; element structure, text content, and comments are left untouched.
Check the “Remove attributes with empty values” option. It will delete any attribute whose value is an empty string (e.g.,
disabled="" or readonly="").iCal Event to HTML Snippet - Online Add to Calendar Links
Fill in event details and generate 'Add to Calendar' links for Google, Outlook, and Yahoo, plus a downloadable .ics file.
AES Text Encrypt/Decrypt - Online Secure Message Tool
Encrypt and decrypt text using AES in the browser with a password. Uses Web Crypto API. No data sent to server.
X‑Frame‑Options Tester - Online Clickjacking Defense
Check if a URL can be embedded in an iframe. Test your site’s defense against clickjacking. Browser‑based.
Mac Keyboard Shortcut Visualizer – Online Modifier Key Cheatsheet
Press a combination of modifier keys and see which common macOS shortcuts use them. Learn by experimentation.
Old English / Anglo‑Saxon Word Lookup – Online Basic Translator
Type a modern English word and get a possible Old English equivalent. Works offline with a limited but curated wordlist. Learn history.
.htpasswd Generator – Online Apache Password Encrypter
Enter a username and password to generate an .htpasswd entry using bcrypt. Runs entirely in browser.
Jerky Marinade Ratio Calculator – Online Soy, Worcestershire, Cure
Scale a jerky marinade recipe based on meat weight. Includes optional cure #1 calculation for safety.
Keyboard Event Debugger - Online See keydown Key Data
Press any key and see the full KeyboardEvent object: key, code, keyCode, modifier status. Dev tool.
HTML to Pug Converter - Online Indented Template Syntax
Convert standard HTML into Pug (formerly Jade) syntax. Clean, indented output. For Node.js templating. Client‑side.
Popover Menu Builder - Online HTML‑Only Dropdown
Create a pure HTML dropdown menu using the popover attribute. Style it with CSS and copy the accessible snippet. No JavaScript.
Popover API Demo - Online No‑JS Tooltips & Menus
Test the new HTML popover attribute for creating accessible tooltips, menus, and dialogs without JavaScript. Copy code snippets.
HTML to Text with Line Breaks - Online Just the Words
Convert HTML to plain text while preserving paragraph breaks. Remove images, links, and scripts. Quick data extraction.
Mailto Link Generator - Online HTML Email Link
Build a complex mailto: link with to, cc, bcc, subject, and body. Get the HTML anchor tag. Local.
Random Kid’s Joke Generator - Online Clean Laughs
Get a random, clean, and silly joke perfect for children. Guaranteed giggles. No offensive content.
Remove Empty Lines - Online Clean Up Whitespace
Paste text and delete all empty or whitespace‑only lines. Collapse unused space. Perfect for code or prose. Local.
Remove HTML Tags - Online Strip Code Cleaner
Paste HTML and instantly remove all tags, leaving only the text content. Optional keep line breaks. Quick cleaning.
HTML to React JSX Converter - Online Quick Migration
Paste standard HTML and get a valid React JSX component. Converts class to className, inline styles, etc. Local transformation.
HTML to XML Converter - Online Markup Translator
Convert HTML code into well‑formed XML with proper self‑closing tags and attributes. Fixes common HTML5/XHTML mismatches. Local only.
Remove Duplicate Words - Online Text Cleaner
Paste a sentence and remove repeated words (keep first occurrence). For cleaning auto‑generated text. Local.
CSV to HTML Table - Online Generate Responsive Code
Paste CSV and get a beautiful HTML table with sortable headers (optional). Copy the full HTML/CSS snippet. Local.
HTML Fragment to PDF - Online Print Custom Section
Write or paste an HTML snippet and generate a PDF using the browser's print engine. Customize page size and margins.
HTML Table to Markdown Converter - Online Quick Transform
Paste an HTML `<table>` snippet and instantly get a clean Markdown table. Supports colspan and alignment hints. Local.
!important Remover - Online Clean Up Overqualified Rules
Paste your CSS and strip all `!important` declarations in one click. See a list of affected rules. Local tool.
Text to Definition List - Online Term/Description HTML Maker
Enter terms and definitions and generate a clean `<dl>` HTML snippet. Great for glossaries and FAQs.
Text to Ordered List - Online Automatic Numbering HTML
Paste lines of text and automatically convert to an HTML ordered list with correct numbering and indentation.
File Name Sanitizer - Online Remove Invalid Characters
Paste a string and get a clean, safe file name by replacing forbidden characters. Works for Windows, Mac, Linux.
HTML Minifier - Online Compress Web Pages
Reduce your HTML file size by stripping whitespace, comments, and optional closing tags. Secure browser‑based.
Audio Silence Remover - Online Strip Quiet Parts
Remove silent parts from an audio recording. Useful for podcasts and lectures. Set threshold and minimum silence duration.
HTML Includes Previewer - Online Simulate SSI Includes
Paste multiple HTML snippets (header, footer) and a main content, then combine them into a single preview. Static site helper.