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Supports: HEIC
HEIC is the High Efficiency format your iPhone uses to save photos at roughly half the size of a JPEG, but outside Apple's ecosystem almost nothing opens it — Windows, most Android phones, and the majority of web tools choke on a .heic file. Wrapping those photos in a PDF makes them open anywhere, prints cleanly, and lets you combine several shots into one document for an email, an upload form, or an expense report. Drop in multiple HEIC files and they become a single multi-page PDF, one photo per page.
| Property | HEIC (source) | PDF (output) |
|---|---|---|
| Standard | ISO/IEC 23008-12 (HEIF) | ISO 32000 |
| Image coding | HEVC / H.265 | JPEG-compressed image embedded per page |
| File size | ~50% smaller than JPEG | Larger — adds page/document structure |
| Opens on Windows/Android | No native support | Yes, everywhere |
| Browser viewing | Safari 17+ only | Every browser |
| Multi-image in one file | No | Yes (multi-page) |
| Best for | Saving camera storage | Sharing, printing, form uploads |
Some recompression is unavoidable: the HEIC's HEVC-coded image is decoded and re-encoded as a JPEG-compressed image embedded in the PDF page. At the default 75% Image Quality the loss is hard to spot on screen or in print. Raise the slider toward 100% to keep more detail at the cost of a larger file, or lower it if you need a smaller PDF to email.
Yes. Add all the photos, leave the merge option on "Single PDF," and they become a multi-page document with one photo per page, in the order you arranged them. Choose "Individual PDFs" instead if you want a separate file for each image.
Because they are saved as HEIC, which only Apple devices and Safari 17+ read natively — Chrome, Firefox, and Edge do not. Converting to PDF (or to JPG for a plain image) makes them open on any device without installing a codec. To stop your iPhone saving HEIC in the first place, open Settings, Camera, Formats, and choose "Most Compatible" to shoot JPEG.
By default each page is A4 in Portrait with the photo Contained — scaled to fit inside a 0.5" margin without cropping. You can switch to Letter, Legal, A3, or "Original" (page sized to the image) from the Paper size dropdown, flip to Landscape, or pick "Cover" placement to fill the page edge to edge.
A handful of 12-megapixel iPhone photos usually lands in the low single-digit megabytes. In our testing, ten 12 MP HEIC photos merged into a single A4 PDF at the default 75% quality produced a file just under 6 MB — comfortably under Gmail's 25 MB attachment limit. If yours is larger, lower the Image Quality slider before converting, or run the finished file through Compress PDF.
Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours — no sign-up, no watermark, never shared or made public.