xFlip/0Steno2.html at main · Timeness/xFlip · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Stego Stealth v2.0</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=JetBrains+Mono&display=swap" rel="stylesheet">
    <style>
        :root {
            --bg-deep: #050505;
            --card-bg: #0f0f0f;
            --accent: #22c55e;
            --border-color: #1f1f1f;
        }

        body {
            background-color: var(--bg-deep);
            color: #e5e7eb;
            font-family: 'Inter', sans-serif;
            overflow-x: hidden;
        }

        .next-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            transition: border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .next-card:hover {
            border-color: rgba(34, 197, 94, 0.4);
        }

        .custom-input {
            background: #141414;
            border: 1px solid #262626;
            transition: all 0.3s;
        }

        .custom-input:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 15px rgba(34, 197, 94, 0.1);
        }

        .toast {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #1a1a1a;
            border-left: 4px solid var(--accent);
            padding: 1rem 1.5rem;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            transform: translateY(200%);
            transition: transform 0.4s ease;
            z-index: 1000;
        }

        .toast.active { transform: translateY(0); }

        .btn-primary {
            background: #fff;
            color: #000;
            font-weight: 600;
            transition: all 0.2s;
        }

        .btn-primary:hover {
            background: #d1d1d1;
            transform: translateY(-1px);
        }

        .mono { font-family: 'JetBrains Mono', monospace; }

        /* Custom Scrollbar */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-deep); }
        ::-webkit-scrollbar-thumb { background: #262626; border-radius: 10px; }
    </style>
</head>
<body class="antialiased">
    <main class="max-w-6xl mx-auto px-6 py-12">
        <div class="text-center mb-16">
            <h2 class="text-5xl md:text-6xl font-bold tracking-tighter mb-4 text-white">Hide files in plain sight.</h2>
            <p class="text-gray-400 max-w-xl mx-auto text-lg">Military-grade LSB steganography tool. Pure client-side, your data never leaves your browser.</p>
        </div>

        <div class="grid md:grid-cols-2 gap-8">
            <div class="next-card p-8 rounded-2xl">
                <div class="flex items-center justify-between mb-8">
                    <span class="text-xs font-bold uppercase tracking-widest text-green-500 bg-green-500/10 px-3 py-1 rounded-full">Secure Encode</span>
                    <svg class="text-gray-600" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M12 15V3m0 0l-4 4m4-4l4 4M2 17l.621 2.485A2 2 0 004.561 21h14.878a2 2 0 001.94-1.515L22 17"/></svg>
                </div>

                <div class="space-y-6">
                    <div class="custom-input p-4 rounded-xl group">
                        <label class="block text-xs font-semibold text-gray-500 mb-2 uppercase">1. File to hide</label>
                        <input type="file" id="fileInput" class="text-sm text-gray-400 w-full file:hidden cursor-pointer">
                    </div>

                    <div class="custom-input p-4 rounded-xl group">
                        <label class="block text-xs font-semibold text-gray-500 mb-2 uppercase">2. Cover Image</label>
                        <input type="file" id="coverImage" accept="image/*" class="text-sm text-gray-400 w-full file:hidden cursor-pointer">
                    </div>

                    <button onclick="encodeFile()" class="btn-primary w-full py-4 rounded-xl shadow-xl shadow-white/5">
                        Download Encrypted PNG
                    </button>
                </div>
            </div>

            <div class="next-card p-8 rounded-2xl border-blue-500/20">
                <div class="flex items-center justify-between mb-8">
                    <span class="text-xs font-bold uppercase tracking-widest text-blue-500 bg-blue-500/10 px-3 py-1 rounded-full">Instant Decode</span>
                    <svg class="text-gray-600" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a7 7 0 10-14 0v2"/></svg>
                </div>

                <div class="space-y-6">
                    <div class="custom-input p-4 rounded-xl border-dashed">
                        <label class="block text-xs font-semibold text-gray-500 mb-2 uppercase text-center">Drag or Upload Stego Image</label>
                        <input type="file" id="stegoImage" accept="image/*" class="text-sm text-gray-400 w-full file:hidden cursor-pointer">
                    </div>

                    <button onclick="decodeFile()" class="w-full bg-[#1a1a1a] border border-[#262626] hover:bg-[#222] py-4 rounded-xl font-semibold transition">
                        Extract Secret Data
                    </button>

                    <div id="resultArea" class="hidden animate-in fade-in duration-500">
                        <div id="loader" class="flex items-center gap-3 text-sm text-gray-500 py-2">
                            <div class="w-4 h-4 border-2 border-blue-500 border-t-transparent animate-spin rounded-full"></div>
                            Processing bitstream...
                        </div>
                        <div id="downloadBox" class="hidden">
                            <a id="downloadLink" class="flex items-center justify-between p-4 bg-green-500/10 border border-green-500/20 rounded-xl text-green-400 text-sm hover:bg-green-500/20 transition cursor-pointer">
                                <span id="fileNameDisplay" class="truncate font-mono">secret_file.zip</span>
                                <span class="font-bold underline">Download</span>
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </main>

    <div id="toast" class="toast">
        <span id="toastMsg" class="text-sm font-medium">Message here</span>
    </div>

    <canvas id="canvas" class="hidden"></canvas>

    <script>
        const END_TAG = "::X_STEGO_END_X::";

        function showToast(msg, type = 'success') {
            const toast = document.getElementById('toast');
            const toastMsg = document.getElementById('toastMsg');
            toastMsg.innerText = msg;
            toast.style.borderLeftColor = type === 'success' ? '#22c55e' : '#ef4444';
            toast.classList.add('active');
            setTimeout(() => toast.classList.remove('active'), 3000);
        }

        async function encodeFile() {
            const file = document.getElementById("fileInput").files[0];
            const imgFile = document.getElementById("coverImage").files[0];

            if (!file || !imgFile) return showToast("Select both files first!", "error");

            const reader = new FileReader();
            reader.readAsDataURL(file);
            reader.onload = (e) => {
                const payload = file.name + "|" + e.target.result + END_TAG;
                const bin = payload.split('').map(c => c.charCodeAt(0).toString(2).padStart(8, '0')).join('');

                const img = new Image();
                img.src = URL.createObjectURL(imgFile);
                img.onload = () => {
                    const canvas = document.getElementById("canvas");
                    const ctx = canvas.getContext("2d");
                    canvas.width = img.width;
                    canvas.height = img.height;
                    ctx.drawImage(img, 0, 0);

                    const imgData = ctx.getImageData(0, 0, canvas.width, canvas.height);
                    if (bin.length > imgData.data.length * 0.75) return showToast("Image too small!", "error");

                    for (let i = 0; i < bin.length; i++) {
                        let idx = Math.floor(i/3)*4 + (i%3);
                        imgData.data[idx] = (imgData.data[idx] & 0xFE) | parseInt(bin[i]);
                    }

                    ctx.putImageData(imgData, 0, 0);
                    const link = document.createElement("a");
                    link.download = `stego_${imgFile.name.split('.')[0]}.png`;
                    link.href = canvas.toDataURL("image/png");
                    link.click();
                    showToast("File Encrypted Successfully!");
                };
            };
        }

        async function decodeFile() {
            const stegoInput = document.getElementById("stegoImage");
            if (!stegoInput.files[0]) return showToast("Upload an image first!", "error");

            const resArea = document.getElementById("resultArea");
            const loader = document.getElementById("loader");
            const downloadBox = document.getElementById("downloadBox");

            resArea.classList.remove("hidden");
            loader.classList.remove("hidden");
            downloadBox.classList.add("hidden");

            const img = new Image();
            img.src = URL.createObjectURL(stegoInput.files[0]);
            img.onload = () => {
                const canvas = document.getElementById("canvas");
                const ctx = canvas.getContext("2d");
                canvas.width = img.width;
                canvas.height = img.height;
                ctx.drawImage(img, 0, 0);

                const data = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
                let binary = "";
                let extracted = "";

                for (let i = 0; i < data.length; i++) {
                    if ((i + 1) % 4 === 0) continue;
                    binary += (data[i] & 1);

                    if (binary.length === 8) {
                        extracted += String.fromCharCode(parseInt(binary, 2));
                        binary = "";
                        if (extracted.endsWith(END_TAG)) {
                            const [name, content] = extracted.replace(END_TAG, "").split("|");
                            document.getElementById("fileNameDisplay").innerText = name;
                            document.getElementById("downloadLink").href = content;
                            document.getElementById("downloadLink").download = name;

                            loader.classList.add("hidden");
                            downloadBox.classList.remove("hidden");
                            showToast("Decoded successfully!");
                            return;
                        }
                    }
                    if (extracted.length > 5000000) break;
                }
                loader.classList.add("hidden");
                showToast("No secret data found.", "error");
            };
        }
    </script>
</body>
</html>