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Combine JPG or JPEG images into one PDF on iPhone. Import the images into ScanLens, arrange the pages, choose a paper size and export quality, then save the PDF. Each image becomes a page in the document.
A4 and Letter place the image on a standard paper size; a different image shape can leave margins. Original uses the image’s proportions. Conversion can resize or recompress the image, including at higher quality settings. Keep the original JPGs if you need the source files.
JPG and JPEG are the same format: both extensions work without renaming. For mixed image sources, see Photo to PDF; for Apple photo files, see HEIC to PDF. To capture a paper document first, use the iPhone document scanner.
Compare the saved file size with the recipient’s limit. If it is too large, lower export quality or use PDF compression, then check that text remains readable. The conversion happens locally; enabled cloud backup, automatic uploads, or sharing can transfer the files.
The Photos picker allows up to 50 images in one selection. This is not a total PDF page limit. Batch capacity depends on image resolution, document size, and iPhone memory. For a large collection, use smaller batches and merge the resulting PDFs. Check that every intended page is present.
Image conversion alone does not recognize the words. Use OCR to create a searchable PDF, then check the recognized text for errors.
Yes. Use PDF password protection when exporting, then reopen the saved file to check that it asks for the password.
On iOS 26, see Apple Preview: export an image as PDF.
ScanLens is free to download and free to use for basic JPG to PDF conversion, with a watermark on free-tier exports. Premium removes the watermark and unlocks OCR (to make the PDF searchable), cloud sync, and the full PDF tool set. See pricing for tier details.
Free to download, no account required. Combine your JPG images, choose page size and quality, and export one PDF.