You don't need to print a PDF, sign it with a pen, and scan it back in. And you don't need Adobe Acrobat, either. The fastest free way to sign a PDF online is LoreSign: upload the file, place your signature, and you're done and if someone else needs to sign it too, they can, without ever creating an account. If you'd rather not sign up for anything at all, your browser or operating system can also sign a PDF on its own. Those built-in options are covered further down. But for most people, especially the moment a second signer is involved, LoreSign is the simpler path.
How to Sign a PDF Online for Free With LoreSign
Go to loresign.com and sign up for the Free plan. No card required.
Step 1 : Upload your PDF.

Step 2 : Place the signature, initials, and date fields where you need them for yourself, another signer, or both.



Step 3 : Send the secure link. If it's just you, sign it right there in your browser. If someone else needs to sign, LoreSign emails them the link directly.
Step 4 : Your signer opens the link and signs. They don't need a LoreSign account to do it.
Once everyone's signed, LoreSign automatically sends the completed PDF, along with a certificate of completion, to everyone involved. You can also check the document's status any time sent, viewed, or signed instead of emailing to ask. The Free plan covers 3 documents a month, with unlimited signers on each one.
This matters most the moment a second person is involved. Say you've drafted a freelance agreement and your client needs to sign it too. Without a tool built for this, you're emailing a PDF, hoping they know how to sign it themselves, waiting to hear back, and then manually collecting a final signed copy from everyone involved. LoreSign replaces all of that with one link and one automatic delivery once everyone's signed the PDF document.
Other Free Ways to Sign a PDF (No Sign-Up at All)
If you're only signing your own PDF a form, a waiver, an application and would rather not create any account, even a free one, your browser or operating system likely already has a signing tool built in.
Method 1: Sign a PDF With LibreOffice Draw (Free, Open Source)
If you'd rather work outside the browser, LibreOffice Draw is a free download that handles this too.
Step 1 : Open the PDF in LibreOffice Draw.

Step 2 :
Insert a saved image of your signature.

Step 3 :
Resize and place it on the page.

Step 4 : Export the file as a PDF again.

Method 2: Sign a PDF in Chrome
Step 1 : Chrome's built-in PDF viewer has a draw tool for exactly this.

Step 2 : Select and adjust your signature image, you can also draw your signature with your mouse, trackpad, or a stylus if you have one. It's a hand-drawn mark, not a typed or uploaded signature option, so it works best if you're reasonably steady with a mouse.

Method 3: Sign a PDF in Firefox
Firefox has the most complete built-in signing tool of the major browsers. It gives you three ways to sign, not just one.
Step 1 :
Open the PDF in Firefox.

Step 2 :
Look for the signature icon in the PDF toolbar or place and image of your signature

Step 4 :
Place the signature on the page.

Step 5 : Save the signed PDF. If you already have a saved image of your signature, this is the fastest no-sign-up option for a solo signature on a PDF file.
Method 5: Sign a PDF in Microsoft Edge
Edge doesn't have a dedicated signature tool, but its draw feature gets the job done.
**Step 1 **: Open the PDF document in Edge.

Step 2 : Click the draw icon in the PDF toolbar.
Step 3 :Draw your signature directly on the page.
Step 4 : Save with Ctrl+S.
All five methods above are genuinely free and require no sign-up. None of them help once a second person needs to sign the same document that's where you're back to emailing a PDF and hoping for the best.
Which Method Should You Actually Use?
| A client, vendor, or teammate also needs to sign | LoreSign |
|---|---|
| You need to know when the other person actually signs | LoreSign |
| You want the final signed copy of the PDF file delivered automatically to every recipient. | LoreSign |
| You want a certificate of completion or a public verification page | LoreSign |
| Signing a form or waiver, just you, and you'd rather not sign up for anything | LibreOffice Draw, your browser (Chrome, Firefox, or Edge), or Preview on Mac |
| You already have a saved signature image and want the fastest no-sign-up option | LibreOffice Draw, or Firefox |
The moment a second signature enters the workflow, LoreSign is the simpler path, one link, tracked automatically, delivered to every recipient once it's signed. Native tools are worth reaching for only when it's just your own signature and you'd rather skip creating any account at all.
Conclusion:
The fastest free way to sign a PDF online, especially once someone else needs to sign it too, is LoreSign: upload the PDF, send one link, and get the finished, signed copy back automatically. If it's only your own signature and you don't want to sign up for anything, Chrome, Firefox, Edge, Preview, and LibreOffice Draw all have a free signing tool built in already.
Start free with LoreSign , no card required.

