HTML to React JSX Converter - Online Transform Tags
Paste regular HTML and instantly get valid React JSX with proper self‑closing tags and className attributes.
UD5 Toolkit
Convert Jira / Confluence Wiki Markup to clean, standards-compliant HTML instantly. Support for headings, tables, code blocks, macros, and more.
Enter Jira Markup on the left to see the rendered HTML preview
// HTML source will appear here...
h1. through h6. at the beginning of a line, followed by a space and your heading text. For example:h1. Main Title → <h1>Main Title</h1>h2. Section Title → <h2>Section Title</h2>h3. Subsection → <h3>Subsection</h3>
*text* → <strong>_text_ → <em>-text- → <del>+text+ → <u>{{text}} → <code>^text^ → <sup>~text~ → <sub>{color:red}text{color} → <span style="color:red">
{code}...{code} syntax. You can optionally specify a language: {code:javascript}.
The converter wraps code in <pre><code> tags and escapes HTML entities inside.
For plain preformatted text without syntax highlighting intent, use {noformat}...{noformat}.
||Header 1||Header 2|||Cell 1|Cell 2|<table> tags with proper <thead> and <tbody> sections.
{panel:title=Title}...{panel} → styled panel div{info}...{info} → info alert box{note}...{note} → note alert box{warning}...{warning} → warning alert box{tip}...{tip} → tip alert box{quote}...{quote} → blockquote
| Input | Output | Input | Output |
|---|---|---|---|
:) | 😊 | :( | 😞 |
:D | 😀 | :P | 😛 |
;) | 😉 | (y) | 👍 |
(n) | 👎 | (i) | ℹ️ |
(/) | ✅ | (x) | ❌ |
(!) | ⚠️ | (+) | ➕ |
(-) | ➖ | (?) | ❓ |
Paste regular HTML and instantly get valid React JSX with proper self‑closing tags and className attributes.
Paste Pug template code and compile it to HTML. See the rendered output instantly. For static site devs.
Convert standard HTML into Pug (formerly Jade) syntax. Clean, indented output. For Node.js templating. Client‑side.
Pick an emoji and get the exact CSS content property value with escaped Unicode. For inserting emojis via CSS.
Convert an SVG into a named React component with TypeScript. Clean attributes and add props. Dev tool.
Convert any text to snake_case, kebab‑case, camelCase, or PascalCase. Essential for programming variable naming. Local.
Paste an SVG and convert it into a ready‑to‑use React functional component with proper JSX. CamelCase attributes. Local.
Paste code and get a beautifully highlighted preview with line numbers. Supports many languages. Copy as HTML. Pure frontend.
Convert an SVG into a data‑URI for mask‑image or mask‑position. Create non‑destructive clipping masks via CSS.
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Map English letters to fancy mathematical or ornamental Unicode symbols. Create Facebook/Twitter bio art. All local.
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Convert a flat JSON object into an INI file format with sections and keys. Useful for legacy configs. Local only.
Paste CSV data and transform it into a well‑structured YAML array of objects. Choose key mapping. Perfect for devOps and data migration.
Compile SCSS code to CSS directly in the browser using the official Sass.js library. Supports variables, mixins, nesting. No server upload required.
Paste an SVG and get a ready‑to‑use data URI for CSS backgrounds or img tags. Optimized with URL encoding. All local.
Paste INI content and convert it to a structured JSON object. Handles sections and comments. Client‑side only.
Write a standard README with pre‑filled sections like Installation, Usage, and License. Export as Markdown. Save time.
Transform a flat JSON object into a dotenv file format instantly. Use it to keep your local configuration in sync. All processing is private and client‑side.
Convert hex, RGB, or HSL into the modern OKLCH color space. See the preview and copy CSS oklch() value. Local.
Optimize an SVG and convert it into a URL‑encoded data URI ready for CSS backgrounds. Strip unnecessary attributes. All local.
Paste an SVG path and convert all relative commands to absolute. Also smooth curves to lines. Local parser.
Create a Svelte single‑file component with script, style, and markup. Choose TypeScript or JavaScript. Copy the .svelte file.
Style underlines, overlines, and strike-throughs with colors, wavy styles, and thickness. Modern CSS text‑decoration.
Take a bloated inline SVG and clean it: remove unnecessary attributes, apply CSS shorthand. Smaller markup. Pure parser.
Write a module and import it. See how browser handles module scripts. Learn modern JS structure.
Compile LESS code to plain CSS in your browser. Check for syntax errors and get clean output. For legacy projects.
Create a pure HTML/CSS accordion using <details> elements. Add custom styling and get the clean code. No JavaScript required.
Build a complete font‑stack for your website. Choose a primary font and get the best fallback options for different OS. Copy the CSS.
Enter a URL and see a nested list of all headings (h1‑h6). Check your document structure for SEO and accessibility. Pure fetch.