The fastest way to turn phone photos into a PDF for paperwork
The quickest way to turn phone photos of documents into a single, tidy PDF on iPhone or Android: how to shoot, order, shrink and check the file before you send it.
What you will end up with
One PDF, with pages in the right order, the right way up, small enough to email or upload, and made without installing an app. The whole job takes a few minutes and happens in your phone’s browser, so photos of your ID or bank statement are not uploaded to anyone.
1. Take photos that will read well
Most problems with document PDFs start at the camera, and no tool can fully fix a bad photo.
- Put the paper on a dark, plain surface so the edges stand out.
- Use daylight or a bright room and avoid your own shadow. Turn the flash off: it causes a glare spot.
- Hold the phone parallel to the page, not at an angle, and fill the frame.
- Take one photo per page. Check each one by zooming in on the smallest text before you move on.
On iPhone, photos are often saved as HEIC. That is fine in Safari, but other browsers can’t open HEIC. If you use Chrome on iPhone, either open the site in Safari for this job or set Settings → Camera → Formats → Most Compatible so new photos are saved as JPG.
2. Shrink large photos first (optional but recommended)
A modern phone photo is often 3 to 8 MB, so ten pages can easily exceed an email or upload limit. Open Compress Image, add all the photos, set Max size to 1,920 px and quality to 75, and download the results.
When we tested this, building the PDF from compressed photos instead of the originals cut its size roughly in half (1,137 KB down to 554 KB on our samples). If your PDF will only be a page or two, you can skip this step.
3. Make the PDF
Open Image to PDF and choose your photos (on a phone, tap the button and pick Photo Library). Then:
- Order: drag the thumbnails, or use the arrows, until page 1 is first.
- Page size: choose A4 or Letter if the PDF will be printed or the form asks for it; Same as image keeps each photo’s own shape.
- Margin: a small margin looks tidier when printed.
Press Convert to PDF and download. Photos taken in portrait stay upright, because the tool reads the rotation hidden in each photo.
4. Fix a sideways page or messy edges
If one page still ends up sideways, or there is a strip of table around the paper, open the PDF in Rotate & Crop PDF. Tap the page to select it, rotate it, or enter a few millimetres to trim from each edge, and save. Rotation and cropping don’t re-compress anything, so quality doesn’t drop.
5. Check before you send
- Open the PDF and page through it once. Is every page there, in order, and readable?
- Is the file size under the limit? Most email services cap attachments at around 20–25 MB, and many upload forms at 5 or 10 MB.
- Give it a clear name, such as *Surname_Firstname_ID.pdf*, so the person receiving it can find it.
If you need to attach this PDF to other documents, such as an application form or a CV, combine them with Merge PDF.