UD5 Toolkit
Article Schema Markup Generator - Online JSON‑LD for Blogs
Generate an Article or BlogPosting structured data with headline, author, and image. For rich blog results.
Review Schema Markup Generator - Online JSON‑LD for Testimonials
Review Schema Generator
JSON-LD Output
Frequently Asked Questions
Review Schema is structured data (JSON-LD) that helps search engines understand ratings, testimonials, and review content on your webpage. It can enable rich results like star ratings in Google search snippets, increasing CTR.
It creates a Product schema that includes an
aggregateRating and multiple review items. This is ideal for product testimonials, service reviews, and any page with a collection of user ratings.Copy the generated JSON-LD and paste it into the
<head> or <body> of your HTML page. For most CMS platforms (WordPress, Shopify), you can add it via a custom HTML/header code block or a dedicated SEO plugin.Yes. Google requires that structured data accurately reflects the content visible to users. Make sure the review text, ratings, and author names in your markup match the ones displayed on the page.
Rich results are not guaranteed. Ensure your markup is valid (test with Google's Rich Results Test), the page is indexable, and the reviews are genuine. Also allow a few days after indexing.
Event Schema Markup Generator - Online JSON‑LD for Concerts
Build a complete Event structured data with performer, location, and dates. Get Google‑ready JSON‑LD for tickets.
Product Schema Markup Generator - Online JSON‑LD for Ecommerce
Create a Product structured data with reviews, price, and availability. Boost your ecommerce visibility in search.
FAQ Page Schema Generator - Online JSON-LD for Rich Results
Enter your FAQ questions and answers, and get ready‑to‑paste JSON-LD structured data. Boost search appearance.
Recipe Schema Generator - Online JSON-LD for Food Blogs
Build a recipe rich snippet by filling out ingredients, cook time, and nutrition. Get the valid JSON-LD code.
Local Business Schema Generator - Online JSON‑LD for SEO
Generate a LocalBusiness structured data snippet with name, address, phone, and opening hours. Boost local SEO.
JSON to JSON Schema Generator - Online Infer Structure
Paste a sample JSON object and generate a basic JSON Schema describing its types and required fields. Local inference.
JSON Schema to HTML Form Generator - Online Dynamic Builder
Paste a JSON Schema and automatically render a complete, styled HTML form with validation. Perfect for prototyping APIs. Works entirely in the browser.
package.json Generator - Online Interactive Creator
Fill in a form to generate a valid package.json for your Node.js project. Includes popular scripts and fields. Local only.
Random JSON Generator - Online Create Sample API Responses
Generate random JSON data with customizable fields (users, products, orders). Useful for frontend mocking. All local.
JSON to Graph Visualization - Online Tree Diagram
Paste a JSON object and see a dynamic, draggable tree graph representation. Excellent for debugging nested data.
Text to Character Array - Online For Programmers
Split a text into an array of individual characters, ready to paste into code. Options for quotes and newlines.
Domain Name Brainstormer - Online Word Combination
Enter keywords and get domain name ideas by mixing, prefixing, suffixing, and replacing. Check availability indication.
Character Backstory Generator - Online RPG Quick NPC
One‑click to get a full NPC backstory with motivation, secret, and appearance. Perfect for dungeon masters.
Random Emoji Generator - Online Get a Surprise Emoji
Generate a random emoji for reactions, game prompts, or just fun. Full Unicode emoji set. One-click copy.
JSON Path Finder - Online Search & Extract from Object
Search and extract values from a large JSON object using dot/bracket notation. Quickly locate deeply nested fields. Data stays local in your browser.
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.
Cover Letter Generator - Online Customizable Job Application
Create a tailored cover letter based on job title, your skills, and a template. Download as text or PDF print. Private.
Random Emoji Story Generator - Online Decipher Tale
Translate a short, randomly generated emoji sequence into words. Guess the movie or phrase. Fun for chats.
BIMI Record Generator - Online Brand Logo for Email
Generate a BIMI record to display your verified brand logo in email clients. Includes SVG logo URL and VMC certificate path.
Random Dungeon Name Generator - Online RPG Delve
Create a foreboding dungeon name for your next D&D adventure. With optional adjective and location. Pure fantasy fun.
CLI Table Generator - Online JSON to Console Log Style
Paste a JSON array and view it as a formatted console.table() style output. Copy for terminal apps. Local.
JSON Diff Compare - Online Highlight Differences
Paste two JSON objects and find the structural differences with side‑by‑side highlighted output. Indispensable for API debugging.
Random Technical Title - Online Dev.to Style Headline
Generate a plausible technical blog post title. Useful for practice writing or placeholder content. All local.
Printable Word Search Puzzle Maker - Online Generator
Enter a list of words and generate a custom word search puzzle in PDF/PNG format. Great for teachers and parties. Local.
Motivational Poster Generator - Online Demotivational Meme
Upload an image and add inspirational or sarcastic title and text. Create classic poster‑style memes. Download as PNG.
Rebus Puzzle Maker – Online Emoji + Text Word Puzzles
Create a rebus puzzle by combining emojis and letters, then challenge friends to solve. Fun brain teaser.
JSON Deep Diff Checker - Online Compare & Highlight Changes
Compare two JSON objects and see added, removed, or changed keys. Visual tree view with color highlighting. Handles nested structures. Local processing.
Emoji Image Generator - Online Picture from Emojis Mosaic
Recreate an image using a mosaic of emojis. Replace pixel blocks with matching emojis. Fun, unique effect. All done locally.
structuredClone() Playground - Online Deep Copy Tester
Input any JavaScript object and see if structuredClone can deep‑copy it. Compare with JSON.parse/stringify. Learn transferables.