Dynamic SVG Placeholder Generator - Online Text-Based
Generate an SVG placeholder image with custom text, width, height, and colors. Use as a placeholder service. Pure SVG.
UD5 Toolkit
Create clean, responsive iframe embed codes for YouTube, Vimeo, and Google Maps in seconds. No more broken layouts on mobile.
src URL from the generated iframe and paste it into our tool. We'll wrap it responsively.
allowfullscreen and loading="lazy" attributes where appropriate, and no deprecated tags like frameborder.
Generate an SVG placeholder image with custom text, width, height, and colors. Use as a placeholder service. Pure SVG.
Generate a link to an SVG placeholder image with a custom width, height, and text. Use as dummy image src. No server.
Create beautiful, syntax-highlighted screenshots of your code snippets. Choose themes and export as PNG. All client-side canvas rendering.
Create a looping animated gradient background with multiple color stops. Copy the complete CSS keyframes. Eye‑catching.
Convert a small image into a Base64 data URI and get a Markdown image tag. Perfect for README files and note‑taking apps. Local.
See how `animation‑composition: replace, add, accumulate` works by layering animations on the same property. Understand the spec.
Construct HTTP Link headers for server push replacements, preload, and preconnect. Copy the header value.
Select a Node.js version from the LTS list and instantly download a .nvmrc file. Lock your project’s runtime.
Click on a box to set the transform‑origin point and see how rotations and scales change. Copy the CSS.
Enter a resource name and HTTP method to get a complete Express route handler with try/catch and comments.
Generate dynamic placeholder images by specifying width, height, colors, and text. View instantly as a URL you can embed in mockups. Canvas-based.
Generate the doGet() and doPost() boilerplate for a Google Apps Script web app. Ready to paste into the editor.
Fill in a component name and generate a complete Stencil.js component with TSX, CSS, and test files. Quick start.
Choose Babel presets (env, React, TypeScript) and plugins. Get a clean babel.config.json to transpile your code. Local tool.
Render 1000 styled elements using inline styles vs. CSS classes and compare time. Understand CSS‑in‑JS trade‑offs.
Preview different touch feedback patterns (scale, color, ripple) for mobile buttons. Copy the CSS and HTML. Improve mobile UX.
Try all object‑fit values (fill, contain, cover, scale‑down) on an image. Adjust object‑position. Copy the CSS.
Generate a random Sudoku puzzle with a unique solution. Choose difficulty and type numbers on the board. Timer and mistake counter.
Click to get a random HTTP status code with its name and description. See 418 I'm a teapot. Fun for devs.
Generate a subtle noise/grain texture as a CSS background pattern. Adjust opacity and size. For that film look.
Chain multiple CSS filter functions and see the result on an image. Copy the filter string. No upload.
Limit browser gestures on an element: pan‑x, pinch‑zoom, manipulation. Draw on a canvas to test. Mobile dev helper.
Generate a subtle or heavy noise/grain texture as a CSS background. Adjust intensity and color. Copy the small code.
Adjust a brightness threshold slider and see the live vector trace of an image. Export as SVG. Potrace‑style.
Generate strong random strings for API tokens, session secrets, or encryption keys. Uses crypto.getRandomValues().
Generate truly random numbers within a specified range. Useful for contests, game decisions, and sampling. Runs locally, no hidden algorithms.
Create a random magical item with a name, effect, and lore for your RPG session. Perfect for dungeon masters. No API.
Create and format Markdown tables by adjusting rows and columns. Align text, copy the raw Markdown. Perfect for README files.
Drop a PDF and extract any embedded JavaScript or form actions. Check for malicious code. Privacy‑friendly analysis.
Create a Blob from text or a file and generate a temporary URL for it. Understand the Blob API. Dev demo.