How do I open the pdf in the files app or mail?

If the PDF arrived by email: open the email → tap the PDF attachment to preview it → tap the share icon → "Markup." If the PDF is saved in Files: open Files → tap the PDF → tap the pencil/edit icon at the top right to open Markup.

How do I fill in text fields (fillable pdf)?

If the PDF has interactive form fields, tapping inside a text box opens the keyboard automatically. Type your name, address, date, or other required information. Use the Next button on the keyboard or tap the next field. These interactive fields look slightly different — they often have a blue outline when active.

How do I add text to a non-fillable pdf?

If the form does not have clickable fields: in Markup, tap the "+" button at the bottom → "Text." A text box appears. Drag it to the field you want to fill in. Tap the text box to type. Change the font size by tapping the "aA" icon. Tap outside to deselect, then move to the next field.

How do I add your signature?

Tap "+" → "Signature." If you have not saved a signature before, a drawing area appears — draw your signature with your finger (or Apple Pencil on iPad). Tap "Done." The signature is saved for future use. Drag and resize the signature box to place it on the signature line.

How do I save and share the completed pdf?

Tap "Done" in the top left when finished. Tap "Save File To..." to save it to Files or iCloud Drive. Or tap the share icon to email the filled PDF directly, send via Messages, or share another way. The recipient receives a completed PDF with all your information filled in.

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iPhone has a built-in tool called Markup that lets you fill out PDF forms and add your signature to documents — directly on your phone, with no printer, scanner, or extra app required.

This is useful for medical forms, insurance documents, rental agreements, tax forms, and any other paperwork you receive as a PDF that needs to be filled in and returned.

There are two main scenarios:

Fillable PDFs

: Some PDFs have interactive form fields — text boxes that light up when you tap them. These are the easiest to fill out. Just tap each field and type your information.

Non-fillable PDFs (flat forms)

: Scanned documents or older forms may not have interactive fields. With Markup, you can add text boxes and type your information anywhere on the document, then add a signature.

Adding your signature

: iPhone Markup lets you create a stored signature by drawing it with your finger or Apple Pencil. Once saved, you can add it to any document with a single tap.

The filled PDF can be emailed, sent via AirDrop, saved to Files, or shared directly from the Markup screen.

No account or subscription is needed — Markup is completely free and built into every iPhone and iPad.

How to Fill Out and Sign a PDF on Your iPhone

Open the PDF in the Files app or Mail

Fill in text fields (fillable PDF)

Add text to a non-fillable PDF

Add your signature

Save and share the completed PDF

Fillable PDFs

Non-fillable PDFs (flat forms)

Adding your signature

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