Your files never leave your device
PDFArena is 100% client-side. Every PDF you open, every signature you draw, every download — all processed locally in your browser using pdf-lib. No server ever sees your documents.
No signup · No paywall · 100% free
Sign PDFs free —
no account, no upload.
Most PDF signing tools demand a subscription or make you create an account just to download your own file. PDFArena is completely free, forever — no signup, no paywall, no server. Everything runs in your browser.
Other tools
- ✕ Require account signup
- ✕ Monthly subscription fee
- ✕ Upload files to their server
- ✕ Add watermarks on free plan
PDFArena
- ✓ Zero signup needed
- ✓ Free forever, no subscription
- ✓ Files never leave your device
- ✓ No watermarks, ever
Features
Everything you need.
Nothing you don't.
Designed for anyone who just needs to sign a PDF quickly — no bloat, no friction, no privacy trade-offs.
Draw your signature
Use a mouse, trackpad, or touchscreen to draw a natural handwritten signature — just like pen on paper.
Add text annotations
Type names, dates, or any information directly onto the PDF. Drag to position and style however you need.
Multi-page support
Navigate through multi-page PDFs and sign or annotate any page. Each page's overlays are tracked independently.
Instant download
Download your signed PDF in one click. Signatures and annotations are permanently embedded — no special viewer needed.
Free forever, no tricks
No free tier with a paywall. No "premium" features. No account required to download. Just open, sign, save.
How it works
Sign your PDF in three steps.
No learning curve. No account setup. Just open the app and done in under a minute.
Open your PDF
Drop your PDF file into PDFArena or click to browse. The file is loaded entirely in your browser — nothing is transmitted anywhere.
Add your signature
Draw your signature with a mouse or finger, or upload an image of your signature. Drag it into position on the page.
Download the signed PDF
Click download and your signed PDF is saved to your device. The signature is embedded permanently — ready to send.
FAQ
Common questions
Everything you need to know about signing PDFs for free with PDFArena.
How can I sign a PDF for free without creating an account?
Use PDFArena — open the site, upload your PDF, draw or type your signature, and download the signed file. No account, no registration, no email required at any step. It is 100% free.
Is there a free PDF signing tool with no watermark?
Yes. PDFArena adds your signature with absolutely no watermark, no hidden fee, and no subscription. The downloaded file is clean and professional.
Can I sign a PDF without uploading it to a server?
Yes. PDFArena processes everything locally in your browser using JavaScript. Your PDF is never sent to any server — it never leaves your device. This makes it the most private PDF signing tool available.
How do I electronically sign a PDF for free?
1. Go to pdfarena.app 2. Upload your PDF 3. Click "Add Signature" and draw, type, or upload your signature 4. Drag it into position 5. Click Download. The signed PDF saves directly to your device — no account needed.
Can I sign a PDF without Adobe Acrobat?
Yes. PDFArena is a free alternative to Adobe Acrobat for signing PDFs. No software to install — it works entirely in your web browser on any device including Mac, Windows, Android, and iPhone.
Does PDFArena work on iPhone and Android?
Yes. PDFArena works on any device with a modern browser — iPhone (Safari), Android (Chrome), and tablets. You can draw your signature with your finger on touchscreen devices.
Is my PDF secure when using PDFArena?
Completely. PDFArena never uploads your files anywhere. All PDF processing happens inside your browser on your own device. No server ever receives or stores your documents.
What is the difference between PDFArena and DocuSign or Adobe Sign?
DocuSign and Adobe Sign require paid subscriptions and upload your documents to their servers. PDFArena is completely free, requires no account, and processes everything in your browser — your files never leave your device.
Ready to sign your PDF?
No account. No upload. No cost. Open the app and sign in seconds.