× `; previewContainer.appendChild(previewItem); } // Remove image from preview function removeImage(id) { uploadedImages = uploadedImages.filter(img => img.id !== id); updatePreviewContainer(); updateConvertButton(); } // Update preview container function updatePreviewContainer() { previewContainer.innerHTML = ''; uploadedImages.forEach(displayPreview); } // Update convert button state function updateConvertButton() { convertBtn.disabled = uploadedImages.length === 0; } // Format file size function formatFileSize(bytes) { if (bytes === 0) return '0 Bytes'; const k = 1024; const sizes = ['Bytes', 'KB', 'MB', 'GB']; const i = Math.floor(Math.log(bytes) / Math.log(k)); return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i]; } // Handle PDF conversion async function convertToPDF() { const useOriginalSize = document.getElementById('originalSize').checked; const addWatermark = document.getElementById('addWatermark').checked; if (uploadedImages.length === 0) { alert('Please upload at least one image.'); return; } status.textContent = 'Converting...'; progressBar.style.display = 'block'; progress.style.width = '0%'; try { // Create PDF document const pdfDoc = await PDFLib.PDFDocument.create(); // Process each image sequentially for (let i = 0; i < uploadedImages.length; i++) { const img = uploadedImages[i]; status.textContent = `Processing image ${i + 1} of ${uploadedImages.length}...`; try { // Load image and get its dimensions const tempImg = await loadImage(img.data); // Extract the base64 data const base64Data = img.data.split(',')[1]; const imageBytes = new Uint8Array(atob(base64Data).split('').map(char => char.charCodeAt(0))); // Embed the image based on its type let pdfImage; try { if (img.data.includes('data:image/jpeg') || img.data.includes('data:image/jpg')) { pdfImage = await pdfDoc.embedJpg(imageBytes); } else { // For non-JPEG images, convert to PNG const canvas = document.createElement('canvas'); canvas.width = tempImg.width; canvas.height = tempImg.height; const ctx = canvas.getContext('2d'); ctx.drawImage(tempImg, 0, 0); const pngData = canvas.toDataURL('image/png').split(',')[1]; const pngBytes = new Uint8Array(atob(pngData).split('').map(char => char.charCodeAt(0))); pdfImage = await pdfDoc.embedPng(pngBytes); } } catch (embedError) { console.error('Error embedding image:', embedError); // Fallback to PNG conversion const canvas = document.createElement('canvas'); canvas.width = tempImg.width; canvas.height = tempImg.height; const ctx = canvas.getContext('2d'); ctx.drawImage(tempImg, 0, 0); const pngData = canvas.toDataURL('image/png').split(',')[1]; const pngBytes = new Uint8Array(atob(pngData).split('').map(char => char.charCodeAt(0))); pdfImage = await pdfDoc.embedPng(pngBytes); } // Calculate page size let pageWidth, pageHeight; if (useOriginalSize) { pageWidth = tempImg.width; pageHeight = tempImg.height; } else { // A4 size in points (72 points per inch) pageWidth = 595.276; pageHeight = 841.890; } // Add page to PDF const page = pdfDoc.addPage([pageWidth, pageHeight]); // Calculate image dimensions to maintain aspect ratio let imgWidth = pageWidth; let imgHeight = (pdfImage.height * pageWidth) / pdfImage.width; if (imgHeight > pageHeight) { imgHeight = pageHeight; imgWidth = (pdfImage.width * pageHeight) / pdfImage.height; } // Center the image on the page const x = (pageWidth - imgWidth) / 2; const y = (pageHeight - imgHeight) / 2; // Draw the image page.drawImage(pdfImage, { x, y, width: imgWidth, height: imgHeight, }); // Add watermark if enabled if (addWatermark) { page.drawText('CyberKendra.com', { x: pageWidth - 150, y: 30, size: 12, color: PDFLib.rgb(0.5, 0.5, 0.5), opacity: 0.7, }); } // Update progress progress.style.width = `${((i + 1) / uploadedImages.length) * 100}%`; } catch (imageError) { console.error(`Error processing image ${i + 1}:`, imageError); status.textContent = `Error processing image ${i + 1}. Continuing with remaining images...`; continue; // Continue with next image if one fails } } // Save and download the PDF status.textContent = 'Generating PDF...'; const pdfBytes = await pdfDoc.save(); download(pdfBytes, 'converted-images-cyberkendra.com.pdf', 'application/pdf'); status.textContent = 'Conversion completed! PDF has been downloaded.'; } catch (error) { console.error('PDF conversion failed:', error); status.textContent = 'Conversion failed. Please try again.'; } finally { setTimeout(() => { progressBar.style.display = 'none'; progress.style.width = '0%'; }, 2000); } } // Reset the tool function resetTool() { fileInput.value = ''; previewContainer.innerHTML = ''; uploadedImages = []; status.textContent = ''; progressBar.style.display = 'none'; progress.style.width = '0%'; updateConvertButton(); } // Event listeners fileInput.addEventListener('change', handleFiles); convertBtn.addEventListener('click', convertToPDF); resetBtn.addEventListener('click', resetTool); // Drag and drop handlers ['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => { dropZone.addEventListener(eventName, preventDefaults, false); document.body.addEventListener(eventName, preventDefaults, false); }); ['dragenter', 'dragover'].forEach(eventName => { dropZone.addEventListener(eventName, highlight, false); }); ['dragleave', 'drop'].forEach(eventName => { dropZone.addEventListener(eventName, unhighlight, false); }); dropZone.addEventListener('drop', handleFiles, false); function preventDefaults(e) { e.preventDefault(); e.stopPropagation(); } function highlight(e) { dropZone.classList.add('dragover'); } function unhighlight(e) { dropZone.classList.remove('dragover'); }

Image to PDF Converter: A Free Online Tool to Convert Multiple Images to PDF

In today’s digital age, converting images to PDF format has become a common necessity. Whether you’re creating a documentation portfolio, preserving digital memories, or preparing professional presentations, having the ability to convert images to PDF format efficiently is crucial. 

Today, we’re introducing a powerful, free online tool that makes this process seamless and professional: the Image to PDF Converter.

What Makes This Tool Special?

Our Image to PDF Converter stands out from other conversion tools due to its combination of powerful features and user-friendly interface. 

Built with modern web technologies and designed with user experience in mind, this tool offers capabilities that typically come with premium software – all for free and accessible right from your web browser.

Key Features

1. Multiple Image Support

•    Upload multiple images simultaneously
•    Support for various image formats (JPG, JPEG, PNG, GIF, BMP, WEBP, TIFF)
•    Easy drag-and-drop interface
•    Visual preview of all uploaded images

2. Flexible Output Options

•    Choose between the original image size or the standard A4 format
•    Option to add professional watermark
•    High-quality output preservation
•    InPidual page handling for each image

3. User-Friendly Interface

•    Clean, Material Design-inspired layout
•    Real-time conversion progress indicator
•    Preview functionality before conversion
•    Simple image management with delete options

How to Use the Tool

Converting your images to PDF is a straightforward process:

1. Upload Your Images

•    Click the “Upload Images” button or drag and drop your files
•    The tool accepts multiple images in various formats
•    Preview thumbnails appear instantly

2. Customize Your Settings

•    Choose whether to maintain original image dimensions or convert to A4 size
•    Enable/disable the watermark option
•    Review and remove any unwanted images from the selection

3. Convert and Download

•    Click the “Convert to PDF” button
•    Watch the progress bar for the conversion status
•    Download your PDF automatically when complete

Technical Capabilities

Behind its simple interface, the tool packs sophisticated technical features:

1. Advanced Image Processing: Maintains image quality during conversion while optimizing file size
2. Smart Page Handling: Automatically adjusts image placement for optimal viewing
3. Format Compatibility: Handles various image formats through intelligent format detection
4. Memory Optimization: Processes images sequentially for reliable performance
5. Error Recovery: Continues processing even if individual images fail to convert

This tool proves invaluable in numerous scenarios:

• Professional Documentation: Create PDF portfolios from multiple product photos or design mockups
• Academic Use: Compile research images or diagrams into a single PDF document
• Personal Projects: Convert photos into a PDF album or create digital scrapbooks
• Business Presentations: Transform multiple charts or graphs into a professional PDF report

Privacy and Security

We understand the importance of data security. The tool processes all conversions directly in your browser – your images never leave your device. This ensures:

• Complete privacy of your content
• No server-side storage of your files
• Faster conversion process
• No internet bandwidth usage for file transfer

Tips for Best Results
For best results, process your images in high quality and ensure clear resolution before converting to PDF.

Our Image to PDF Converter tool combines powerful functionality with ease of use, making it an essential tool for anyone needing to convert images to PDF format. Whether you’re a professional needing to create documented portfolios or a student compiling research materials, this tool provides a reliable, high-quality solution.

The best part? It’s completely free and requires no installation or sign-up. Simply visit the website, upload your images, and convert them to professional-quality PDFs in seconds.

Give it a try today and experience the convenience of modern image-to-PDF conversion. Start converting your images to PDF format professionally and efficiently.

*This tool is maintained by CyberKendra.com, providing free, reliable tools for digital document management.*