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Image to PDF

Convert one or multiple images into a PDF document.

Your files stay on your device - processed locally via WebAssembly, never uploaded

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JPEG, PNG, WebP, HEIC - add multiple, or paste (Ctrl+V)

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<iframe src="https://optipix.art/embed/image-to-pdf" width="100%" height="600" style="border:1px solid #e4e4e7;border-radius:8px;" title="Image to PDF by OptiPix" loading="lazy"></iframe>
<p style="font-size:12px">Free tool by <a href="https://optipix.art/image-to-pdf">OptiPix Image to PDF</a></p>

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About Image to PDF

Last updated: May 2026

OptiPix Image to PDF Converter lets you combine one or multiple images into a professionally formatted PDF document. Each image is placed on its own page, centered and scaled to fit within the page margins while maintaining its aspect ratio. You can choose from standard page sizes (A4, Letter, A3), select portrait or landscape orientation, and adjust margins to control how much white space surrounds each image. The tool uses the jsPDF library running entirely in your browser - no server uploads, no processing delays, complete privacy. This is perfect for creating photo portfolios, converting scanned documents to PDF, compiling receipts or invoices, or preparing image collections for archiving. Images can be reordered by drag-and-drop before conversion. The tool accepts JPEG and PNG inputs and produces standard PDF files compatible with all PDF viewers.

How It Works

The tool uses the jsPDF library to create a PDF document in your browser. Each image is loaded, scaled to fit within the page margins while maintaining its aspect ratio, centered on its page, and embedded into the PDF. The final document is generated entirely client-side.

Use Cases

  • •Create PDF portfolios from photo collections
  • •Convert scanned document images to a single PDF
  • •Compile receipt and invoice images for archiving
  • •Create printable photo albums as PDF files
  • •Combine multiple screenshots into a document

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If you find Image to PDF useful, check out these related tools: Format Converter, Image Resizer, and Image to SVG. All tools run entirely in your browser with no uploads or signups required.

Explore more: Browse all tools · Step-by-step guides · Tips & tutorials · Compare tools

What is the best free image to PDF converter without upload?

OptiPix Image to PDF Converter turns one or many JPG, PNG, or WebP images into a single PDF with page-size and orientation control, built entirely in your browser. Unlike iLovePDF or Smallpdf, there is no daily task limit, no Pro paywall, and documents never reach a server.

Frequently Asked Questions

Can I add multiple images to one PDF?
Yes. Add as many images as you want and each will be placed on its own page in the PDF. You can reorder images before converting.
What page sizes are available?
A4, Letter, and A3 page sizes are available, in both portrait and landscape orientations.
Can I adjust the margins?
Yes. The margin slider lets you set margins from 0mm (edge-to-edge) to 40mm, controlling how much white space surrounds each image.
Are images compressed in the PDF?
Images are embedded in the PDF at their original quality. JPEG images maintain their compression level and PNG images are embedded losslessly.
Can I convert the PDF back to images?
This tool converts images to PDF. For the reverse (PDF to images), you would need a PDF extraction tool.
How do I convert images to PDF for free?
Drop one or more JPG, PNG, or WebP images into OptiPix Image to PDF Converter, arrange the order, choose page size and orientation, and download a single PDF. It runs in your browser with no daily task limits or Pro paywall, unlike iLovePDF and Smallpdf free tiers.
How do I combine multiple photos into one PDF?
Select all the photos at once in OptiPix Image to PDF, drag them into the desired order, and export: each image becomes a page in a single document. This is the standard way to submit multi-page scans of receipts, homework, or contracts as one file instead of many attachments.
How do I convert a picture of a document to PDF?
For best results, run the photo through OptiPix Document Scanner first: it detects edges, fixes perspective, and enhances contrast so the page looks scanned rather than photographed. Then convert the cleaned image to PDF. Both tools run locally, so contracts and IDs never touch a server.
Is it safe to convert sensitive documents to PDF online?
Only with local processing. OptiPix builds the PDF entirely in your browser, so passports, contracts, and financial documents are never transmitted anywhere. Upload-based converters like iLovePDF process files on their servers; even with deletion policies, the documents leave your control during conversion. Local conversion removes that exposure entirely.
How do I make a PDF smaller when converting from images?
Compress the images before conversion: run them through OptiPix Image Compressor at quality 75-85, which shrinks them 60-90% with no visible difference, then convert to PDF. Page count and image resolution drive PDF size, so also avoid scanning at unnecessarily high DPI for text documents.

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