Forms

Turn a photo of a form into a digital form

You can turn a photo of a form into a digital form by attaching the phone photos to the form generator, one page per image, and it rebuilds the questions as fields. A flat, square, evenly lit shot is the whole trick, because the photo is transcribed line by line.

Create a form with OneCraftHow to shoot a form with a phone, why a photo reads differently from a PDF, and the limits on how many pages fit
The Build from files button in the form generator, highlighted
Building from a file you already have. PDF, image or text, up to 10 MB, on a paid plan.

Why a phone photo is a good input

Photos are read more closely than PDFs. A PNG, JPG, WebP or GIF is sent to a vision model that transcribes every visible line verbatim, in reading order, and also lists each labelled field. A PDF, by contrast, is read for its fields and a summary with no line by line transcription. So a sharp phone photo of a one or two page form often keeps instructions and declarations closer to the original than a PDF of the same pages would. The catch is that the model can only transcribe what the camera actually caught.

The four things that ruin a shot

Angle, shadow, curl and crop. A photo taken at an angle turns straight rows into trapezoids and can scramble which label belongs to which box. Your own shadow across the page hides a band of text. A page that is not flat bends the text away at the edge, which is where footers and small print sit. A crop that clips the bottom loses the declaration, usually the part that mattered most. Retaking a photo takes seconds; correcting a dozen fields afterwards does not.

How to take it

Lay the page on a flat, dark surface with light from the side rather than from behind you. Hold the phone parallel to the page and fill the frame with the sheet plus a small margin. Use your phone's document scanning mode if it has one, because it flattens and squares the page, doing the correction a skewed photo would otherwise leave to guesswork. On an iPhone that is Scan Documents inside a note in the Notes app. Save each page as its own image rather than a single stitched PDF.

The five photo ceiling

One generation takes up to five files, 10 MB each. A phone photo is usually well under that size, so the limit that bites is the count: five photos is five pages. For a longer form you have two choices. Photograph the pages whose wording matters most and describe the rest in the prompt, or combine every page into one PDF, which is read up to 100 pages but loses the verbatim transcription. Attaching files needs a paid plan; a free account can type the questions into the prompt instead.

Forms that were already filled in

If the only copy you have has someone's answers written on it, the rebuilt form is still blank. Answers are not imported as responses and nothing is prefilled. Handwriting over the labels can still confuse the read, though, so a clean blank copy is always the better photo. If the form contains personal details, a blank is also the safer thing to upload.

How it works, in three steps

  1. Step 1

    Shoot each page flat and square

    Page on a table, side light, phone parallel, document mode on if your phone has it, one image per page.

  2. Step 2

    Attach up to five photos with a short brief

    Say what must stay word for word, which questions are required, and anything on the sheet to leave out.

  3. Step 3

    Compare the fields with the photo

    Read the field list against the page once, correct choice types and required flags, then publish.

The full walkthrough with screenshots is in the guide Convert a paper form into a web form.

Limits worth knowing

See it on a finished piece

Questions people ask

Should I send one photo per page or stitch them into a PDF?

For five pages or fewer, send one image per page. Images are transcribed line by line, while a PDF is read for its fields and a summary, so separate photos keep wording closer to the original. Stitch into a PDF only when the form is longer than five pages, since one PDF counts as a single file.

Does my phone's document scanning mode make a difference?

Yes, usually a real one. Document mode finds the page edges, squares the sheet and evens out the lighting, which removes the angle and shadow problems that cause most misread fields. Export the result as JPG or PNG images rather than a PDF if the form is short enough to fit within five files.

Can I photograph a large fold out or A3 form?

Photograph it in halves if the text becomes too small to read when the whole sheet fits in the frame. Keep a small overlap and mention in the prompt that two images are one page, so questions on the join are not duplicated. Check the order of the fields around the fold afterwards.

Why won't my iPhone photo attach?

The accepted image types are PNG, JPG, WebP and GIF. Recent iPhones save photos as HEIC by default, which is not on that list. Set the camera format to Most Compatible so new photos are saved as JPEG, or export the photo as JPG from the Photos app, then attach it again. Screenshots are PNG already.

Is a photo of a form good enough to replace scanning it?

For most printed forms, yes. A sharp, square photo in even light gives the reader enough to transcribe every line, and it is the input that keeps wording best. A flatbed scanner still wins on very small print, faint photocopies and forms with many thin ruled lines, where a phone camera's focus and lighting struggle.

Make your own form

The button opens the generator with this use case already described. Change the wording to match yours, generate, then edit anything you like.

Create a form with OneCraft

Related pages

More finished work of this kind is on the form examples hub.

Sources

Written and checked by the OneCraft team. Last checked .