UD5 Toolkit
SVG Placeholder Image - Online Dynamic Size Box
Generate a link to an SVG placeholder image with a custom width, height, and text. Use as dummy image src. No server.
Dynamic SVG Placeholder Generator - Online Text-Based
SVG Placeholder Settings
Live Preview
Frequently Asked Questions
An SVG placeholder is a lightweight, scalable vector graphic used to reserve space in a design or layout before the final content is ready. Unlike raster images (JPG, PNG), SVGs are resolution-independent and look crisp at any size. This tool generates dynamic SVG placeholders based on your custom text, dimensions, and colors—perfect for wireframes, mockups, or web development.
SVG placeholders have several advantages: they are infinitely scalable without loss of quality, file sizes are typically smaller for simple graphics, and they can be edited easily with code or vector design tools. Plus, our generator creates them instantly on the fly—no server upload or external service required.
Simply fill in the desired text, width, height, background color, text color, font size, and font family. The preview updates automatically. Once you're happy with the result, click Download SVG to save the file, or Copy Code to grab the raw SVG markup for direct use in HTML or design tools.
The current version supports single-line text. Special characters (like <, >, &, ") are automatically escaped to keep the SVG valid. If you need multi-line text, consider generating multiple placeholders or manually editing the SVG code after download.
Absolutely! All generated SVG placeholders are free for personal and commercial use without attribution. There are no watermarks, hidden fees, or usage limits. The tool runs entirely in your browser—no data is ever uploaded to our servers.
You can include the SVG directly in your HTML using the
<img> tag with the file path, or embed the SVG code inside an <svg> element. For CSS backgrounds, you can convert the SVG to a data URI using the code we provide under Copy Code and then use it as background-image: url('data:image/svg+xml,…').
Responsive Embed Code Generator - Online Video & Map
Paste any iframe embed code (YouTube, maps) and get a responsive wrapper div with correct aspect ratio CSS.
Dynamic Placeholder Image Service - Online Test Images
Generate dynamic placeholder images by specifying width, height, colors, and text. View instantly as a URL you can embed in mockups. Canvas-based.
Code Screenshot Generator - Online Carbon Code Image Maker
Create beautiful, syntax-highlighted screenshots of your code snippets. Choose themes and export as PNG. All client-side canvas rendering.
Animated Gradient CSS Generator - Online Moving Background
Create a looping animated gradient background with multiple color stops. Copy the complete CSS keyframes. Eye‑catching.
Markdown Table Generator - Online Visual Builder & Formatter
Create and format Markdown tables by adjusting rows and columns. Align text, copy the raw Markdown. Perfect for README files.
Live Image Trace - Online Adjust Threshold to Vector
Adjust a brightness threshold slider and see the live vector trace of an image. Export as SVG. Potrace‑style.
.nvmrc Node Version Generator - Online
Select a Node.js version from the LTS list and instantly download a .nvmrc file. Lock your project’s runtime.
Stencil.js Component Generator - Online Web Component Starter
Fill in a component name and generate a complete Stencil.js component with TSX, CSS, and test files. Quick start.
Touch Feedback Generator - Online Haptic & Visual Cue
Preview different touch feedback patterns (scale, color, ripple) for mobile buttons. Copy the CSS and HTML. Improve mobile UX.
CSS Transform Origin Playground - Online Visual Pivot
Click on a box to set the transform‑origin point and see how rotations and scales change. Copy the CSS.
Babel Config Generator - Online Presets & Plugins
Choose Babel presets (env, React, TypeScript) and plugins. Get a clean babel.config.json to transpile your code. Local tool.
HTML Symbol Entities Cheatsheet - Online Search & Copy
Search and copy HTML entities for arrows, math, currency, and symbols. See the glyph and code. Fast reference.
animation‑composition Demo - Online Blend Multiple Animations
See how `animation‑composition: replace, add, accumulate` works by layering animations on the same property. Understand the spec.
Random Magic Item Generator - Online DnD Loot
Create a random magical item with a name, effect, and lore for your RPG session. Perfect for dungeon masters. No API.
Noise Texture & Grain Generator - Online CSS Background
Generate a subtle noise/grain texture as a CSS background pattern. Adjust opacity and size. For that film look.
object‑fit & object‑position Demo - Online Image Scale Control
Try all object‑fit values (fill, contain, cover, scale‑down) on an image. Adjust object‑position. Copy the CSS.
Blob URL Generator - Online Create Temporary Object URL
Create a Blob from text or a file and generate a temporary URL for it. Understand the Blob API. Dev demo.
CSS‑in‑JS Runtime Cost Simulator - Online Render 1000 Nodes
Render 1000 styled elements using inline styles vs. CSS classes and compare time. Understand CSS‑in‑JS trade‑offs.
Seating Chart Maker - Online Drag & Drop Desks
Create a simple seating chart by dragging desk icons and assigning names. Print or screenshot. Perfect for teachers.
Chess Position Editor - Online Setup Board & Export FEN
Drag and drop pieces to set up a chess position. Generate FEN string and copy to share. Analyze openings. Local only.
touch‑action CSS Playground - Online Gesture Control
Limit browser gestures on an element: pan‑x, pinch‑zoom, manipulation. Draw on a canvas to test. Mobile dev helper.
Noise Texture CSS Generator - Online Grain & Grunge
Generate a subtle or heavy noise/grain texture as a CSS background. Adjust intensity and color. Copy the small code.
Visual CSS Specificity Calculator - Online (0,0,1) Style
Enter a CSS selector and see its specificity broken down into A,B,C columns with a visual weight comparison. Learn specificity.
Random Number Generator - Online RNG Between Range
Generate truly random numbers within a specified range. Useful for contests, game decisions, and sampling. Runs locally, no hidden algorithms.
CSS Filter Functions Playground - Online Visual Adjustments
Chain multiple CSS filter functions and see the result on an image. Copy the filter string. No upload.
Express Route Snippet Generator - Online Node.js API
Enter a resource name and HTTP method to get a complete Express route handler with try/catch and comments.
Sudoku Generator - Online Play & Create 9x9 Puzzles
Generate a random Sudoku puzzle with a unique solution. Choose difficulty and type numbers on the board. Timer and mistake counter.
Random Dessert Recipe - Online Sweet Treat Idea Generator
Get a random dessert recipe with ingredients and steps. From cakes to cookies. Solve your sweet cravings. Local database.
Google Apps Script Web App Boilerplate - Online Starter Code
Generate the doGet() and doPost() boilerplate for a Google Apps Script web app. Ready to paste into the editor.