To import an image to PDF, open the Image To PDF tool in your browser, click Browse images, pick one or several image files in the order you want them to appear, and the tool builds a single multi-page PDF — one image per page, scaled to fit US Letter — that you can preview and download with nothing uploaded to a server. This kind of "import" is really a conversion: each photo, scan, screenshot, or graphic becomes one page in a fresh PDF document, which is the fastest way to turn a stack of phone pictures — a photographed contract, a pile of receipts, a few slides, or a set of design mockups — into a single tidy file you can email, archive, or print. Unlike a PDF editor that only lets you insert an image into an existing document, this approach starts from the images themselves and produces a new PDF around them. The whole conversion runs locally in your browser using JavaScript and the canvas API, so the files never touch a remote server, there is no upload step, no account, no queue, and no watermark on the finished document.
What "Importing an Image to PDF" Actually Means
There are two common ways people use the phrase "import image to PDF." The first is inserting an image into a PDF you already have open, the way you would drop a logo onto a page in a PDF editor. The second is converting one or more images into a PDF so the images themselves become the content of the document. The Image To PDF tool handles the second case: there is no existing PDF to open, and the resulting document is built entirely from the images you select.
Concretely, that means every image you choose becomes one full page in the new file. A three-page scanned contract produces a three-page PDF. A folder of ten product photos becomes a ten-page PDF, in the order you picked them. Because each image is rendered onto its own canvas-sized page, the layout is predictable: nothing is cropped, nothing is stretched, and the aspect ratio of each photo is preserved inside the page.
Why a Browser-Based Importer Fits This Task
Most "image to PDF" websites work by uploading your files to a server, converting them there, and serving the result back. That works, but it forces you to hand over private images — IDs, receipts, contracts, internal documents — to someone else's infrastructure, often with file-size limits, queue waits, and ads in the bargain.
The Image To PDF tool runs the entire job in your browser using JavaScript and the canvas API. You click Browse images, the tool reads the files from your computer, draws each one onto a page-sized canvas, embeds the result directly into a PDF stream, and hands you the download. Nothing leaves your device, so there is no upload step at all — and that means no upload size cap, no waiting in line behind other users, and no watermark placed on your document.
How to Import Images to PDF Step by Step
- Click Browse images on the Image To PDF tool page.
- In the file picker, select one image or hold Ctrl (or Cmd on Mac) and click several images to select a batch. You can pick JPG, PNG, WebP, GIF, or BMP files in any combination.
- The order you select them in becomes the order of the pages in the PDF. The tool draws each image onto its own canvas and stacks them into a single multi-page PDF instantly.
- Review the page thumbnails that appear under the button. Each thumbnail is one page in the finished document, already scaled to fit a US Letter page with a small margin.
- Remove any page you do not want by clicking its remove control. You can also clear the entire set and start over if you selected the wrong folder.
- When the preview looks right, click Download to save the finished PDF to your computer. If you imported a single image, the file is named after that image; for multi-page merges, the file is named images.pdf.
If you realize mid-process that you forgot a page, you can add more images at any time before downloading — extra images are appended to the end of the current set.
Supported Image Formats and How They Behave
The tool accepts anything your browser can decode, which in practice means JPG, PNG, WebP, GIF, and BMP. Each format is handled with the same goal — a clean, centered, properly scaled page in the PDF — but a couple of edge cases are worth knowing about:
| Format | Behavior in the PDF |
|---|---|
| JPG / JPEG | Re-encoded as a high-quality baseline JPEG at 92% and embedded directly via DCTDecode. No second lossy pass. |
| PNG (opaque) | Drawn onto a white background and embedded as a 92% JPEG. Colors and edges stay sharp. |
| PNG (transparent) | Flattened onto a white background first, so transparent areas render as clean white instead of the black boxes some converters produce. |
| WebP | Decoded in-browser, drawn onto the page canvas, embedded as a 92% JPEG. |
| GIF | Decoded in-browser and embedded as a 92% JPEG, same as the other formats. |
| BMP | Decoded in-browser and embedded as a 92% JPEG, same as the other formats. |
Page Size, Quality, and Layout in the Output
Every page in the resulting PDF is the same size: US Letter, or 612 × 792 points (8.5 × 11 inches). Each image is scaled proportionally to fit inside that page with a small margin and is centered, which means portrait phone photos and landscape screenshots both sit neatly in the document without distortion or cropping.
Quality is handled by re-encoding each image as a baseline JPEG at 92% and embedding it directly into the PDF stream using the DCTDecode filter. Because the JPEG bytes are stored as-is rather than decoded and recompressed a second time by the PDF writer, the preview you see is effectively the file you get — visually lossless for ordinary photos and scans. The original aspect ratio is always preserved.
Common Use Cases for Importing Images to PDF
Because the output is one tidy PDF with a clean, predictable layout, the tool fits several recurring jobs:
- Photographed contracts or forms. Snap each page of a paper document with your phone, import them in order, and send a single PDF instead of a dozen separate photos.
- Receipts and expense scans. Photograph a stack of receipts after a trip, import them all, and hand over one emailable file.
- Whiteboard captures. Combine several shots of a long whiteboard into one document so the full content stays in order.
- Design mockups and diagrams. Export multiple mockups or architecture diagrams as PNGs and bundle them into a single review-ready PDF.
- Comic or art pages. Stitch a sequence of comic panels or illustrations into a single sharable file.
- Screenshots for a report. Drop a sequence of UI screenshots into the tool and produce a PDF appendix instead of a folder of loose PNGs.
Prep Work: Resize or Compress Before Importing
If you want the final PDF to be smaller, sharper in a specific way, or simply faster to upload by email, it helps to run the source images through a quick preparation step first. Because the Image To PDF tool only reads and embeds — it does not resize or recompress beyond the 92% JPEG pass — the size of the output PDF is roughly proportional to the size of the images you feed in.
For very large phone photos, run them through the Image Compressor to shrink the file size before importing. If your images need to match specific dimensions — say, all 1200 px wide for a print-ready PDF — use the Image Resizer first to standardize dimensions across the whole batch.
Privacy: Where the Images Go (and Don't)
Every byte of the conversion runs locally on your device. The tool reads your files, decodes each one, draws it onto a canvas, builds the PDF stream in memory, and triggers a download — all from inside the browser tab. No HTTP request is made with the image bytes, no analytics payload contains your photos, and no remote service receives even a thumbnail.
Your images are held in the browser's memory only for as long as the tab is open. Closing the tab or refreshing the page releases them. If you walk away mid-task, the images are not cached anywhere outside your machine. For sensitive content — IDs, medical forms, legal documents, financial scans — this local-only handling is the main reason to prefer a browser-based importer over a server-based one.
Troubleshooting Quick Reference
| Situation | What to do |
|---|---|
| Pages appear in the wrong order | Clear the current set and re-import the images in the correct sequence. |
| Transparent areas look black in the PDF | Flatten the PNG onto a white background first, then re-import. |
| The PDF is much larger than expected | Compress the source images with the Image Compressor before importing so the embedded JPEGs are smaller. |
| An image file is not recognized | Confirm the file is JPG, PNG, WebP, GIF, or BMP. Formats outside that set need to be converted first. |
| Only one image is showing up | Use Ctrl/Cmd-click in the file picker to select multiple files at once, or add additional batches later. |
That covers the full workflow: choose your images, let the tool merge them into one PDF locally, preview and remove any pages you do not want, and download a clean, US Letter PDF that is ready to email, archive, or print.