Windows guide
Sign a PDF on Windows.
No Adobe Reader needed.
You don't need Adobe Acrobat Reader, Foxit, or a shady "Fill & Sign" download. Edge, Chrome, Firefox, or any modern browser is enough. Here's the minute-long flow.
Open pdf2sign1. Drag the PDF into pdf2sign
Open your browser and go to pdf2sign.app/sign. Drag the PDF from any of these places straight into the drop zone:
- File Explorer
- Desktop
- An Outlook email attachment (drag the attachment icon directly from the reading pane)
- Teams / Slack / Discord chats (drag the attached file)
Or click the drop zone and pick from the standard Windows file dialog. Either works.
2. Sign the document
With a Surface Pen or touchscreen stylus
Best option on Surface Pro, Surface Laptop Studio, Surface Book, HP Spectre x360, Lenovo Yoga, or any 2-in-1 with a pen. Tap the canvas with your pen and draw naturally — pressure and tilt are captured on devices that support them. Result stays sharp at any size.
With your finger on a touchscreen
Signing with a finger is workable on a 15-inch touchscreen. The result usually looks a little rough but is fine for informal documents. Use the Clear button and redo as many times as you need.
With a mouse or trackpad
It takes practice. If you don't enjoy mouse signatures, switch to the Type tab — pick one of four handwriting fonts, type your name, done. Much of the time this is good enough for everyday documents.
By uploading a photo of your signature
Already have a signature on paper? Take a photo on your phone with decent lighting on a white background. Send it to yourself (OneDrive, email, Nearby Share) and upload it in the Upload tab. pdf2sign will strip the white background so only the ink shows.
3. Place it and download
Drag the signature onto the signature line. Drag the corners to
resize. When it looks right, click Download.
Your browser saves the signed PDF to the Downloads folder — usually
C:\Users\<you>\Downloads. Drag it into your email
reply, Teams chat, or wherever it needs to go.
4. Attach the signed PDF to an email
In Outlook (or Gmail, or any webmail), the easiest way is drag-and-drop — grab the signed PDF from Downloads and drop it into the email window. Outlook attaches it inline. No need to go through Insert → Attachment.
Why not just use Edge's built-in PDF editor?
Edge has an Add signature feature in its PDF viewer. It works for basic cases, but it only signs one PDF at a time, it strips form-field data on save, and it commits a signature file to your local user profile. pdf2sign avoids all three: the signature stays in-tab, form fields are preserved (pdf-lib does a proper merge), and signing multiple PDFs in a row is a single-click flow.
Edge's signer is great for one-off informal use; pdf2sign is better when you want consistency across devices or when the PDF has form fields you want to keep.
Frequently asked questions
Do I need Adobe Reader installed to sign a PDF on Windows?
No. pdf2sign runs in the browser, so you do not need Adobe Reader, Acrobat, Foxit, or any desktop PDF tool. Any modern browser works.
Does the Surface Pen work?
Yes. The signature canvas captures pointer events from the Surface Pen including pressure levels on Pro and Book devices. Just tap the canvas with the Pen and draw.
Does it work on a touchscreen laptop without a stylus?
Yes. You can sign with your finger. For precision, a capacitive stylus ($10 on Amazon) works fine — no Bluetooth pairing needed.
Where does the signed PDF go?
Your browser saves it to the Downloads folder by default (usually C:/Users/<you>/Downloads). You can change the download location in your browser settings.
Edge keeps opening the PDF instead of downloading it.
That's Edge's built-in PDF viewer. In Edge: Settings → Downloads → toggle off 'Always open PDFs externally' — or pdf2sign's Download button will write the signed file regardless, since the tool controls the save itself.
Can I sign PDFs at work if my IT team blocks software installs?
Yes. pdf2sign is a webpage — there's nothing to install, no system permissions required, no admin rights. As long as your IT allows your browser to reach pdf2sign.app, it works.