Sign PDF on iPhone
Sign your PDF files on iphone with BossPDF — the fastest PDF app for iPhone and iPad.
- Sign documents with your finger or Apple Pencil
- Save and reuse multiple signatures
- Designed specifically for iPhone users
To sign PDF files on iphone, open BossPDF on your device, select your files, and tap Sign. The entire process takes seconds and works right from your phone. No account needed.
How to sign pdf on iphone
- 1
Open BossPDF
Launch the app and tap "Sign" from the home screen.
- 2
Select your document
Choose the PDF you need to sign from Files or any app.
- 3
Create or select a signature
Draw your signature with your finger or Apple Pencil, or pick a saved one.
- 4
Place your signature
Drag it to the signature line and resize as needed.
- 5
Save and send
Save the signed document and share it instantly.
Why this matters
You need to sign a PDF, but you're on your iPhone with no computer nearby. Most PDF tools are built for desktop. You shouldn't need a laptop just to sign a file.
Why BossPDF
- Draw signatures with finger or Apple Pencil
- Save multiple signatures for reuse
- Place, resize, and position with precision
- Works offline — sign sensitive documents privately
- No need to print, sign, and scan
How people use BossPDF
Signing a client contract on the go without access to a printer.
Signing HR documents from home and sending them back immediately.
Signing vendor agreements between meetings, right from the phone.
Signing a rental agreement or financial aid form from campus.
Frequently asked questions
Is BossPDF free to sign PDF files on iphone?
Yes, you can try every feature in BossPDF for free. Download from the App Store and start signing PDFs immediately — no account or credit card needed.
Can I sign multiple PDF files on iphone?
Absolutely. BossPDF supports batch processing so you can sign multiple files at once. Select all the files you need and process them in a single tap.
Does BossPDF sign PDFs on iphone without uploading my files?
Yes. BossPDF processes everything on your device. Your files are never uploaded to any server, making it completely private and secure.
What's the maximum file size I can sign with BossPDF?
BossPDF handles large files efficiently. There's no hard file size limit — even documents with hundreds of pages process quickly on your device.
Fast. Simple. Done.
Stop fighting with PDF tools. Download BossPDF and get it done in seconds.
Download on App Store