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Images to PDF

Convert one or more images into a single PDF — JPG, PNG, WebP, all supported.

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How to Use Images to PDF

Select one or more image files — they appear as thumbnails in the upload area. Choose a page size (A4, Letter, or Legal) and orientation (Portrait or Landscape). Click Convert to PDF and your browser assembles each image onto its own page and downloads the PDF. Supports JPG, PNG, and WebP formats.

About Images to PDF

Images to PDF is the reverse of PDF to Images: it takes one or more image files and creates a tidy, multi-page PDF suitable for sharing, printing, or archiving. The classic use case is scanner output — many scanner apps output individual JPEG or PNG files, one per scanned page — and this tool reassembles them into a single document. It is also useful for compiling photos into a PDF portfolio, creating a visual reference sheet from screenshots, or packaging design mockups for client review. Each image you upload becomes one page in the PDF. The tool supports JPG, PNG, and WebP input formats. WebP images are automatically converted to PNG during processing (since the PDF format does not natively support WebP). Images are embedded at their original resolution, centred on the page, and scaled to fit within the margins while preserving their aspect ratio. You control the page size — A4 (the international standard), Letter (common in North America), or Legal — and the orientation, which affects whether the output pages are rendered as portrait or landscape. The resulting PDF is standards-compliant and opens in any PDF reader. Because the images are embedded directly (not re-compressed through a lossy pipeline), PNG and WebP inputs maintain lossless quality. JPEG inputs remain as JPEG inside the PDF, so there is no generational quality loss from re-encoding. For best results, ensure your images are at a reasonable resolution before uploading. If you are compiling scanned pages and the resulting PDF is too large, compress the images individually using the Image Compressor tool first, then create the PDF. For adding a title page, a logo, or text overlay, use the PDF Watermark tool on the output PDF.

Details & Tips

The converter uses pdf-lib's embedJpg() and embedPng() methods to embed images. JPG images (image/jpeg MIME type) are embedded with embedJpg, which places the raw JPEG data directly into the PDF without re-encoding — this is lossless for JPEG input. PNG and WebP images are embedded with embedPng; WebP images are first converted to PNG via an offscreen canvas to produce a PNG data URL, then embedded. Each image is positioned centred on the page with scaling that fits the image within the page margins while maintaining aspect ratio. Page sizes follow standard PDF point units: A4 = 595×842, Letter = 612×792, Legal = 612×1008. Landscape orientation swaps width and height. The output uses object streams for better compression. There is no page limit, but embedding hundreds of high-resolution images may exceed browser memory.

Frequently Asked Questions

Are my images uploaded to your server?
No. All processing — reading images, embedding them into a PDF, and generating the download — happens locally in your browser. Your files never leave your device.
What image formats are supported?
JPG (JPEG), PNG, and WebP. WebP images are automatically converted to PNG during processing since the PDF format does not support WebP natively.
How are images positioned on the PDF page?
Each image is centred on its page and scaled to fit within the page margins while maintaining its original aspect ratio. Images that are smaller than the page size are centred with white space around them.
Do I lose image quality in the conversion?
No. JPEG images are embedded directly without re-compression. PNG images are embedded losslessly. WebP images are converted to PNG via canvas, which is a lossless pixel-level conversion.
Can I choose different page sizes?
Yes. Choose from A4 (international standard), Letter (US), or Legal in either portrait or landscape orientation from the dropdown and toggle before converting.
Can I add more than one image per page?
Currently each image becomes its own page. To put multiple images on a single page, use an image editing tool to combine them into one image first, then upload the combined image.
What is the maximum image size?
The site-wide maximum upload size (default 50 MB per file) applies. Very large images (e.g. 10000×10000 pixels) may be slow to process and result in very large PDFs.
Is the tool free?
Yes, completely free. No registration, no account, no usage limits.
Does the output PDF have a watermark?
No. The PDF is clean, with no watermarks, branding, or extra pages.
Can I reorder the images before converting?
Images appear in the order they are selected. Remove and re-add files to change the order, or upload them in your desired sequence.
Can I use this on mobile?
Yes, the tool works on modern mobile browsers. You can select images from your phone gallery and convert them to PDF on the go.

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