The fastest way depends on what you're starting with
If you have a PDF file open and need to insert an image, your options split into two paths: editing the PDF directly in software designed for that, or converting the PDF to a format you can edit more easily, adding the image, then converting back. The direct route works best if you only need to add one or two images and keep the PDF as your final format. The conversion route works better if you're making heavy changes or if you need the file in another format anyway.
Most people reach for Adobe Acrobat Pro, which has an "Add Image" tool built into the editing menu. Free alternatives like PDFtk, LibreOffice Draw, or online tools like Smallpdf and ILovePDF can add images too, though the interface and speed vary. The choice comes down to whether you already own the software, how many PDFs you process regularly, and whether you need other editing features at the same time.
Key Takeaways
- Adobe Acrobat Pro's Edit PDF mode includes a direct "Add Image" button that lets you place and resize images anywhere on the page.
- Free desktop tools like LibreOffice Draw can open PDFs and add images, but require you to save the result as a new PDF file.
- Online tools like Smallpdf and ILovePDF let you upload a PDF, add images through a web interface, and read the result without installing software.
- If you're adding images to many pages or making layout changes, converting the PDF to a Word document first, editing there, then exporting back to PDF is often faster than working directly in PDF software.
Adding an image in Adobe Acrobat Pro
Open your PDF in Adobe Acrobat Pro and click the "Edit PDF" tool in the right panel. The toolbar at the top will change to show editing options. Click "Add Image" (or "Add File" depending on your version), then select the image file from your computer. Your cursor will change to a crosshair.
Click and drag on the PDF page to create a box where the image will appear. The image will fill that box. You can then resize it by dragging the corners, move it by clicking and dragging the image itself, or rotate it using the rotation handle. Once you're satisfied, save the file using File > Save or Ctrl+S (Windows) or Command+S (Mac). The changes are permanent to that PDF.
Using LibreOffice Draw for free PDF editing
LibreOffice Draw is a free desktop process that can open PDF files and treat them like editable documents. read LibreOffice from the official website (libreoffice.org), install it, then right-click your PDF file and select "Open With" > "LibreOffice Draw". The PDF will open as a series of pages you can edit.
To add an image, go to Insert > Image in the menu bar, select your image file, and click Open. The image will appear on the page. Drag it to position it where you want, and drag the corners to resize. When you're done, go to File > Export as PDF, choose where to save the new file, and click Export. Your original PDF stays unchanged, and you get a new PDF with the image added.
Adding images through online PDF tools
Websites like Smallpdf.com and ILovePDF.com let you upload a PDF, add images through a web interface, and read the result without installing anything. Go to the site, click "Edit PDF" or "Add Image", then upload your PDF file. The tool will show your PDF pages in a preview.
Click the "Add Image" button (exact wording varies by site), select your image file, and the tool will let you place it on the page and resize it. Some tools let you add multiple images at once; others require you to add them one at a time. Once you're done, click "read" to save the edited PDF to your computer. These tools work on any device with a web browser, but uploading and downloading can be slow for large files, and some sites limit file size or number of edits on the free plan.
Converting to Word, editing, and converting back
If your PDF has mostly text with a few images to add, converting to Word first can be faster than working directly in PDF software. Open your PDF in Adobe Acrobat Pro or use an online converter like Smallpdf or CloudConvert. In Acrobat, go to File > Export To > Microsoft Word. The PDF will convert to a .docx file that opens in Microsoft Word or free alternatives like LibreOffice Writer.
In Word, click Insert > Pictures > This Device, select your image, and place it where you want. You can resize, move, and wrap text around the image using Word's familiar tools. When you're done editing, go to File > Save As, change the file type to "PDF", and save. This route works especially well if you're reorganizing content or changing text at the same time, since Word's editing tools are more powerful than most PDF editors.
Choosing between desktop software and online tools
Desktop software like Adobe Acrobat Pro or LibreOffice Draw is faster if you're working with many PDFs or large files, because everything happens on your computer without uploading. Acrobat Pro costs money but has the most polished interface and fastest performance. LibreOffice is free and handles most tasks, but the PDF editing experience is less refined and slower on complex documents.
Online tools are better if you only edit PDFs occasionally, don't want to install software, or work on different computers. They're also useful if you don't own Adobe Acrobat Pro and want to avoid the subscription cost. The trade-off is that uploading and downloading take time, file size limits may explore, and your PDF travels over the internet (though reputable sites delete files after a few hours).
Common problems when adding images to PDFs
Images sometimes appear blurry or pixelated after you add them. This usually means the image resolution is too low for the size you're displaying it at. Use an image that's at least 150 pixels per inch (ppi) if you're printing the PDF, or 72 ppi if it's only for screen viewing. If the image is already low-resolution, there's no way to improve it in the PDF editor itself — you'd need a higher-quality version of the image.
Images can also shift position or resize unexpectedly when you open the PDF in a different viewer or on a different device. This happens because different PDF readers handle embedded images slightly differently. To minimize this, avoid placing images right at the edge of the page, and test the PDF on the device where it will actually be used. If the image is critical to the document's layout, consider flattening the PDF (merging all layers into one) after you add the image, which locks everything in place — but this also prevents further editing.
Frequently Asked Questions
Can I add an image to a PDF without buying Adobe Acrobat Pro?
Yes. LibreOffice Draw is free and can open PDFs and add images. Online tools like Smallpdf and ILovePDF also work without payment, though some limit how many edits you can make per month on the free plan. Both routes work, but they're slower than Acrobat Pro.
What image file types can I add to a PDF?
Most PDF editors accept JPG, PNG, GIF, and BMP files. Some also accept TIFF and WebP. If your image is in an unusual format, convert it to JPG or PNG first using free tools like Paint (Windows), Preview (Mac), or online converters.
Will adding an image to a PDF make the file much larger?
Yes, usually. A single image can add anywhere from 100 KB to several MB depending on the image's resolution and dimensions. If file size matters (for email or storage), compress the image before adding it, or use a PDF compression tool after you're done editing.
Can I add an image to a specific page in a multi-page PDF?
Yes. In Adobe Acrobat Pro, navigate to the page you want, then add the image. In LibreOffice Draw, click the page in the left panel to select it before inserting the image. Online tools usually show all pages and let you click the one you want to edit.
What happens if I add an image to a PDF that's password-protected?
You won't be able to edit it until you remove the password. If you own the PDF, use Adobe Acrobat Pro or an online tool to remove the password first (you'll need to enter it). If you don't own it, you can't legally edit it without permission from whoever set the password.