Convert JPG, PNG, WebP, and GIF images into a single PDF instantly in your browser. Arrange pages, set paper size, control margins

Last updated: July 26, 2026

How to Use the Image to PDF Converter

1. Add your images. Click anywhere inside the upload area or drag and drop your files directly onto it. The tool accepts JPG, JPEG, PNG, WebP, and GIF formats. You can select a single image or an entire folder of images in one pick — hold Shift or Ctrl/Cmd while clicking in the file browser to select multiple files at once. Newly added images are appended to any files already in the queue, so you can build your document incrementally without starting over.
2. Review and reorder the image queue. Each selected image appears as a thumbnail card showing a preview and the file name. If you need a particular image to appear earlier or later in the PDF, use the left and right arrow buttons beneath that card to shift its position in the sequence. The leftmost card becomes page 1, the next becomes page 2, and so on. If you want to remove a specific image from the batch without clearing everything, click the X button on that card.
3. Configure the page layout. Use the options panel to choose a page size (A4, A3, Letter, or Legal), set the orientation (Portrait or Landscape), and decide how each image fills its page. "Fit" preserves the original aspect ratio and leaves white space on two sides if the image proportions differ from the page. "Fill" stretches the image to cover the entire page area. "Center" places the image at its original pixel dimensions, centered on the page — useful when you want to preserve exact pixel sizing for technical diagrams or screenshots.
4. Set your margins. Enter a value in millimetres for each of the four sides. The default is 10 mm on all sides, which gives a clean border. Set all values to 0 if you want edge-to-edge images. Margins apply uniformly to every page in the document.
5. Optionally add a PDF title. Type a document title in the PDF Title field. This value is embedded in the PDF metadata and will appear as the document name in PDF readers and print dialogs. It does not appear as visible text on any page of the PDF itself.
6. Click "Convert to PDF". The button activates once at least one image has been added. A progress indicator appears during conversion and updates as each image is processed. For a typical batch of 5 to 10 standard-resolution photographs, conversion completes in two to four seconds on a modern laptop browser.
7. Download your PDF. When conversion is complete, the browser automatically triggers a download of a file named Thefreeaitools-image-to-pdf.pdf. The file is built entirely in memory and is never transmitted anywhere — it goes directly from your browser's memory to your device's downloads folder.

Why Use Our Image to PDF Converter?

The image to PDF conversion task sounds simple but routinely catches people off guard: email attachments that only accept PDF, printers that refuse raw image files, document archives that require a consistent format, and clients who need a deliverable that looks the same on every device. Most solutions to this problem require installing desktop software, creating a cloud account, or waiting for files to upload to a remote server and then download again. Our Image to PDF Converter eliminates every one of those steps by running the entire process inside your browser using JavaScript — no installation, no account, no server involved at any point.

Speed is one of the first things you will notice. Because conversion happens locally on your own hardware, it is not throttled by an internet connection or a shared server queue. A batch of ten 3 MB JPEG photographs — the kind you might export from a camera roll before sending to a client — converts in under five seconds on a mid-range laptop. The same batch might take thirty to sixty seconds on a typical cloud conversion service once you account for upload time, server processing, and download.

The output quality matches what a professional PDF workflow produces. Each image is placed on a properly sized PDF page — not scaled down arbitrarily or compressed with artifacts. When you choose the "Fit" mode, the image is scaled to fill the available page area while its original aspect ratio is respected. A 4:3 landscape photograph on an A4 portrait page will be centered with equal white margins on the top and bottom, not stretched and distorted. This matters when the PDF is going to be printed: a stretched image will look wrong on paper in a way it might not on screen.

The converter supports batch processing without a file-count ceiling imposed by the tool itself. If your browser has enough memory to hold the decoded images, the tool will convert them. You can combine different file formats in one batch — a PNG diagram, several JPG photographs, and a WebP screenshot all in the same document — because the tool converts each image to a canvas representation before placing it in the PDF, normalising the format differences transparently.

Privacy is not an afterthought in this tool's design. Industries including healthcare, legal services, finance, and education routinely deal with documents that must not leave a controlled environment. Because no data ever leaves your device, this converter can be used for patient records, legal exhibits, financial statements, and identity documents without triggering any data-handling obligation associated with third-party uploads. The browser tab holds your files only for the duration of the session. When you close the tab, the files are gone — there is no cache, no local database entry, and no server record.

Worked Example

Common Mistakes and When to Use This Tool

• Choosing "Fill" mode for portrait images on a landscape page. If your source images are portrait-orientation photographs (taller than they are wide) and you select a landscape page with "Fill" mode, the tool will stretch the image horizontally across the full page width, which visibly distorts faces and straight lines. Use "Fit" mode instead — the image will be centered with white space on the left and right sides, which looks professional and prints cleanly.
• Forgetting to reorder after adding files in batches. If you select files in two separate file-picker sessions, the second batch is appended after the first in the order your operating system returns them — typically alphabetical. Check the thumbnail order before converting, especially when the images have names like scan001.jpg, scan002.jpg rather than descriptive names. Reordering takes seconds but fixing a misordered PDF print run does not.
• Using this tool when you need selectable text in the PDF. This converter places images on PDF pages. If your source images contain text — a scanned letter, a screenshot of a document — that text will appear correctly in the PDF but will not be selectable or searchable. For scanned documents where you need searchable text, an OCR (optical character recognition) tool is the right choice. This converter is ideal for photographs, diagrams, screenshots, and artwork.
• Setting margins to 0 mm for content that will be professionally printed. Commercial printers typically require a 3 to 5 mm bleed or safe zone at the page edge to account for cutting tolerances. Setting all margins to 0 works perfectly for digital-only PDFs, but if the document will go to a print shop, use at least 5 mm margins to prevent content from being cut off during the trimming process.

Privacy and Security

Every operation performed by the Image to PDF Converter takes place entirely within your web browser. When you select files from your device, they are read into the browser's memory using the JavaScript File API — a standard browser feature that reads local files without transmitting them anywhere. The conversion process draws each image onto an HTML canvas element, extracts the pixel data, and encodes it into the binary PDF format in memory. The resulting PDF file is then offered to your browser as a download using a temporary object URL that exists only in that browser tab. At no point in this workflow does any data — image pixels, file names, PDF metadata, or margin settings — leave your device or touch a network connection.

Thefreeaitools.com is served exclusively over HTTPS, which means the page code itself is delivered to your browser over an encrypted connection. Combined with the client-side-only processing described above, this means there is no attack surface through which your image files could be intercepted. There are no analytics events fired when you upload a file, no server logs recording file names or sizes, and no database entries created for your session. The tool holds your files in browser memory only for as long as the tab remains open. Refreshing the page or closing the tab erases every trace of the session — there is nothing to delete and nothing to request removal of.