Thursday, October 23, 2025

1. What is Google Opal?

It’s a no-code / low-code AI mini-app builder developed by Google Labs. You describe what you want in natural language, and Opal helps build a workflow of AI/prompt steps and tools to make it happen.
Introduced in a public beta on July 24, 2025 (initially US-only) under the “experiment” branding.
The user starts by “tell me what kind of mini-app” they want, then Opal generates a visual workflow (cards, nodes) that represent input → AI model prompts → output. You can edit the workflow visually or via language.
You can publish/share your mini-app via a link (given a Google account) so others can use it.

2. Key Features

Natural language first: You just describe in English what the app should do. E.g., “Generate a blog outline from a topic, then translate it into Hindi and email it.”
Visual workflow editor: After the description, you see cards/steps you can drag-and-drop, edit prompts, add tools.
Templates / gallery: There are starter mini-apps you can remix rather than build from zero.
Sharing capability: Once built, you can share with others (for use, or as a basis to remix).

3. What it’s not (or, current limitations)

It’s experimental: Google clearly labels it as an experiment, not necessarily production-grade.
Initially limited in availability: At first, US only, but later (as of October 2025) expanding to more countries (including India) according to Google.
It’s not yet the same as full-scale app development: For complex backend logic, large-scale systems, heavy integrations, you may still need conventional development.
Governance/security/production-readiness may be weak: As with many no-code/AI tools, issues around data privacy, stability, scaling, vendor lock-in are relevant.

4. Who should use it & use-cases

Good for:

“Citizen developers” / non-technical users who have ideas for small-scale AI apps: e.g., auto-summarizing documents, generating creative content, building internal productivity tools.
Rapid prototyping or proof-of-concepts: Instead of building full apps from scratch, you can validate concepts fast.
Small internal tools within teams (marketing, HR, operations) that don’t require massive scale or rigorous security.

Less suitable for:

Mission-critical, customer-facing enterprise systems that require high reliability, stringent security/compliance, full logging, version control, etc.
Systems with highly custom backend integrations, massive user base, or where you must guarantee SLA.

5. How it might relate to your context

Since you’re building software (e.g., billing software, AI chatbots, etc), here are some ways you might consider Opal:

Prototype an internal workflow: For example, you could build a mini-app that takes invoice data and generates a monthly GSTR-1 summary using prompts and then export to CSV/JSON. Use Opal to quickly mock it.
Non-coding demo/presentation tool: If you need to show a concept to stakeholders (“What if we had an AI-powered mini-app that …”), Opal could help you build a clickable prototype in minutes.
Not for full production backend: Given your software needs (PHP 5.6, billing system, etc), you’ll likely still build the core system via code; but Opal might help build auxiliary features or proofs.
Try the gallery/templates: Might spark ideas or help you test certain parts of your system where AI-prompt chaining is relevant.

Tuesday, October 21, 2025

Happy and Safe Diwali

This Diwali, light up your business with innovation! Wishing you a festival full of success, growth, and digital opportunities. From all of us at Website Development and Services, Happy Diwali!

Go to Website

Saturday, August 23, 2025

Custom method using prototype in JavaScript.

<!DOCTYPE html>

<html>

<head>

<title>Custom Prototype Method</title>

</head>

<body>

<h2>Prototype Sum Method</h2>

<button onclick="calculate()">Click to Calculate</button>

// ✅ Add custom method using prototype

Number.prototype.add = function(num) {

return this + num;

};

function calculate() {

let result = (10).add(20); // using custom method

alert("The sum is: " + result);

}

</script>

</body>

</html>

Monday, August 18, 2025

Convert an image into a cartoon style using JavaScript

<!doctype html>

<html lang="en">
<head>
<meta charset="UTF-8">
<title>Cartoonify Image</title>
<style>
  body { font-family: sans-serif; background: #111; color: white; text-align: center; }
  canvas { max-width: 90vw; margin-top: 20px; border: 4px solid white; border-radius: 12px; }
  input { margin-top: 20px; }
</style>
</head>
<body>
  <h2>Upload Image → Cartoon Effect</h2>
  <input type="file" id="upload" accept="image/*">
  <canvas id="canvas"></canvas>

<script>
const upload = document.getElementById("upload");
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");

upload.addEventListener("change", (e) => {
  const file = e.target.files[0];
  if (!file) return;
  const img = new Image();
  img.onload = () => {
    canvas.width = img.width;
    canvas.height = img.height;
    ctx.drawImage(img, 0, 0);

    // get image data
    let imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
    let data = imageData.data;

    // cartoon effect: reduce colors (posterization)
    for (let i = 0; i < data.length; i += 4) {
      data[i]   = Math.floor(data[i] / 64) * 64;     // R
      data[i+1] = Math.floor(data[i+1] / 64) * 64;   // G
      data[i+2] = Math.floor(data[i+2] / 64) * 64;   // B
    }

    // simple edge detection (Sobel filter)
    let gray = [];
    for (let i = 0; i < data.length; i += 4) {
      let avg = (data[i] + data[i+1] + data[i+2]) / 3;
      gray.push(avg);
    }
    let edges = new Uint8ClampedArray(data.length);
    for (let y = 1; y < canvas.height - 1; y++) {
      for (let x = 1; x < canvas.width - 1; x++) {
        let i = y * canvas.width + x;
        let gx = -gray[i - canvas.width - 1] - 2*gray[i - 1] - gray[i + canvas.width - 1]
                 + gray[i - canvas.width + 1] + 2*gray[i + 1] + gray[i + canvas.width + 1];
        let gy = -gray[i - canvas.width - 1] - 2*gray[i - canvas.width] - gray[i - canvas.width + 1]
                 + gray[i + canvas.width - 1] + 2*gray[i + canvas.width] + gray[i + canvas.width + 1];
        let g = Math.sqrt(gx*gx + gy*gy);
        if (g > 80) {
          edges[i*4] = edges[i*4+1] = edges[i*4+2] = 0; // black edge
          edges[i*4+3] = 255;
        } else {
          edges[i*4] = data[i*4];
          edges[i*4+1] = data[i*4+1];
          edges[i*4+2] = data[i*4+2];
          edges[i*4+3] = 255;
        }
      }
    }

    ctx.putImageData(new ImageData(edges, canvas.width, canvas.height), 0, 0);
  };
  img.src = URL.createObjectURL(file);
});
</script>
</body>
</html>

Friday, August 15, 2025

Bouncing Button with Direction Change

Full Code:

Demo :

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Bouncing Button with Direction Change</title>
  <style>
    body {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      background: #f0f0f0;
    }

    button {
      padding: 14px 28px;
      font-size: 18px;
      background: #007bff;
      color: white;
      border: none;
      border-radius: 10px;
      cursor: pointer;
      position: relative;
    }

    /* Bounce animation */
    @keyframes bounceRight {
      0%   { transform: translateX(0) scale(1); }
      30%  { transform: translateX(50px) scale(1.2); }
      50%  { transform: translateX(30px) scale(0.9); }
      70%  { transform: translateX(40px) scale(1.1); }
      100% { transform: translateX(0) scale(1); }
    }

    @keyframes bounceLeft {
      0%   { transform: translateX(0) scale(1); }
      30%  { transform: translateX(-50px) scale(1.2); }
      50%  { transform: translateX(-30px) scale(0.9); }
      70%  { transform: translateX(-40px) scale(1.1); }
      100% { transform: translateX(0) scale(1); }
    }

    .bounceRight {
      animation: bounceRight 0.6s;
    }

    .bounceLeft {
      animation: bounceLeft 0.6s;
    }
  </style>
</head>
<body>

  <button id="bounceBtn">Click Me</button>

  <script>
    const btn = document.getElementById("bounceBtn");
    let direction = true; // true = right, false = left

    btn.addEventListener("click", () => {
      if (direction) {
        btn.classList.add("bounceRight");
      } else {
        btn.classList.add("bounceLeft");
      }

      // toggle direction for next click
      direction = !direction;

      // remove class after animation so it can retrigger
      btn.addEventListener("animationend", () => {
        btn.classList.remove("bounceRight", "bounceLeft");
      }, { once: true });
    });
  </script>

</body>
</html>

CSS Triangles