HTML Entity Encoder & Decoder - Online Escape Tool
Encode special characters to HTML entities or decode them back to normal text. Perfect for web developers to sanitize or reverse HTML escaping. All processing is client-side.
UD5 Toolkit
Convert cURL commands to ready‑to‑use HTTP client snippets in 9 languages.
// Your generated code will appear here
-F (form) parameters exists. The tool extracts field names and values and generates appropriate multipart code. Complex file uploads with actual file paths might need manual replacement with file objects in your code.
Encode special characters to HTML entities or decode them back to normal text. Perfect for web developers to sanitize or reverse HTML escaping. All processing is client-side.
Generate standard 1D barcodes including CODE128, EAN-13, and UPC-A. Download as image for product labeling or inventory. All processing happens locally.
Translate between binary and Gray code (reflected binary code). See the bit changes. Useful for digital logic.
Build a .editorconfig file by setting indentation, charset, and end‑of‑line rules for your project. Keep all contributors aligned.
Paste code and generate a beautiful, syntax‑highlighted PNG image. Choose theme and window style. Shareable code pics.
Number each line of your text sequentially. Customize start number and format. Useful for code snippets, tutorials, and document review. Private operation.
Create a passkey and authenticate using the Web Authentication API. Supports platform authenticators (TouchID, FaceID). No server.
Create a simple 4-shaft weaving draft by clicking warp/weft threads. See plain weave, twill, satin. Educational for weavers. Local only.
Build a custom CSS reset by toggling which elements to normalize. Copy the resulting stylesheet. Lean and clean.
Fill in your details and instantly get a clean, printable one-page resume. No sign up, no data leaves your browser.
Fill in a form to generate a clean, ATS‑friendly one‑page resume. Customize sections, colors, and export as print‑ready PDF. Personal data stays in your browser.
Record your screen, application window, or browser tab directly using the Screen Capture API. Download as WebM. All local.
Create a 'SALE' or 'NEW' corner ribbon in pure CSS. Adjust colors, position, and text. Great for e‑commerce.
Design a fully styled scrollbar with colors, width, and border radius. Get the CSS for Chrome and Firefox.
Design layered box shadows interactively and get the CSS code in real time. Adjust offset, blur, spread, and color. Essential tool for UI designers.
Design a fully styled scrollbar with colors, width, radius, and hover effects. Supports both ::-webkit‑scrollbar and Firefox scrollbar‑width.
Generate custom placeholder images for mockups and layouts. Specify dimensions, colors, and text. Export as PNG or use the generated data URI. Entirely browser-based.
Create a custom cookie consent banner with text, button styles, and colors. Copy the ready‑to‑use HTML/CSS/JS snippet.
Generate a range of tints and shades from a single hex color. Ideal for data visualization, UI design systems, and Tailwind custom palette creation. Local tool.
Type raw HTML and see the escaped version, then see how it renders when unescaped. Understand encoding better.
Check current screen orientation and test the lock API. Useful for mobile web apps. Demo with code.
Visually configure scroll‑snap containers and items. Adjust alignment, stop behavior, and padding. Copy the clean CSS instantly.
Design a pure CSS tooltip with custom text, position (top/bottom/left/right), and arrow. Copy the clean code.
Generate a React custom hook boilerplate with state, effect, and cleanup. Pick the pattern and copy.
Visually experiment with Flexbox container and item properties. See the layout update in real time and copy the CSS. Learn by doing, fully interactive.
Test the new HTML popover attribute for creating accessible tooltips, menus, and dialogs without JavaScript. Copy code snippets.
Test your device's built‑in biometric (Touch ID, Face ID, Windows Hello) using the Web Authentication API. Register and verify.
Design a tooltip that appears on hover without JavaScript. Choose positioning, arrow, and animation. Copy the clean HTML/CSS.
Upload an image and generate the CSS to use it as a custom mouse cursor. Test it live. Fun for personal websites.
Paste your CSS and see warnings for properties that have limited browser support. Links to CanIUse. Modernize safely.