How to Convert Photos to PDF on Any Device
Turn phone photos of documents into a clean, professional PDF. Which page size to pick, how to get sharp readable scans, and the settings that matter.
Somebody asks for a scanned copy. You do not own a scanner. You take a photo with your phone — and now you need it as a PDF, because a folder of JPGs looks careless and half the upload portals in the world reject images anyway.
The quick version
Open Image to PDF, add your photos, put them in order, choose a page size, press Create PDF. Each image becomes its own page and you get a single document.
It works with JPG, PNG, WebP, GIF and BMP, on desktop and on phones, with no upload and no account.
Choosing the page size
This is the one setting worth understanding.
A4 or US Letter puts every image on a standard printable page, scaled to fit and centred. Choose this for anything official — job applications, visa paperwork, invoices, anything a person may print. A4 outside the United States, Letter inside it.
Fit to image makes each page exactly the proportions of the photo, with no borders. Choose this for photo albums, portfolios and screenshots, where white margins would look wrong.
If you are unsure, pick A4. A document that prints predictably is almost always the safer choice.
Margins and orientation
A small margin looks more like a real document and stops content being clipped by printers, which cannot usually print to the very edge. Use no margin only with Fit to image.
Leave orientation on Automatic and each page follows its own image — portrait photos get portrait pages, landscape gets landscape. Force one or the other when you want every page to match, which looks tidier in a multi-page pack.
Taking photos that look like scans
The conversion can only work with what you give it. Five things make the difference between a photo of a document and something that passes for a scan:
- Flat, even light. Near a window on an overcast day is ideal. Direct sunlight creates hard shadows and blown-out white patches.
- No shadow from you. The most common problem. Stand to the side rather than leaning directly over the page.
- Shoot straight down. Hold the phone parallel to the page. Angled shots make the document look trapezoidal and unprofessional.
- Fill the frame. Get close enough that the page occupies most of the shot. Cropping afterwards throws away resolution.
- Plain contrasting background. A dark table under a white page gives a clean, obvious edge.
Two seconds of care here saves the reader squinting.
Getting the order right
Photos are added in the order your file picker hands them over, which is usually alphabetical — and alphabetical order puts IMG_10 immediately after IMG_1. Check the list and drag the arrows before you convert. It is much quicker than redoing it.
iPhone photos and HEIC
iPhones save photos as HEIC by default, and browsers generally cannot read that format directly.
The easy fix: share the photos to the Files app, which converts them to JPG automatically as it saves. Or change the setting permanently — Settings → Camera → Formats → Most Compatible — and your phone will shoot JPG from then on.
If the PDF comes out too large
Ten phone photos at 5 MB each make a 50 MB PDF, which most email systems will reject. Two options:
- Compress the photos first — cap the width at around 1600 pixels and set quality to 80 per cent. Documents stay perfectly readable and the PDF ends up a fraction of the size.
- Compress the finished PDF — quicker, though it re-renders each page as an image, so the result is not searchable.
Compressing the images first generally gives the better result.
What this cannot do
Being straight about it: converting a photo to PDF wraps the image in a PDF container. It does not turn the photograph into text. The result is not searchable and you cannot copy words out of it, because there are no words — just a picture of words. Making a scan searchable requires optical character recognition, which is a different tool entirely.
For sending documents to a person, none of that matters. For building a searchable archive, it does.
Your documents stay yours
People convert exactly the things worth protecting — passports, degree certificates, bank letters, signed agreements.
Nothing here is uploaded. Your photos are read from your device, assembled into a PDF in your browser’s memory, and saved back to your downloads. And it is free for life with no sign-up and no daily limit — convert five photos or five hundred, as often as you like, without an account or a watermark.
Put it into practice
Free tools mentioned on this site
Merge PDF
Combine several PDFs into one document, in any order you like.
Split PDF
Pull out the pages you need, or break a PDF into single-page files.
Rotate PDF
Turn sideways or upside-down pages the right way up.
Add Page Numbers
Number the pages of a PDF that arrived without them.
Watermark PDF
Stamp DRAFT, CONFIDENTIAL or your own text across every page.
PDF to Text
Pull the plain text out of a PDF so you can search or reuse it.
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