Sign PDF
We've evaluated the most reliable options for sign pdf. Here's our top pick alongside trusted alternatives, with honest pros and cons.
viewpdf.com
Free. Sign PDFs from your browser.
- Draw, type, or upload your signature
- No install or account required
- Works on mobile and desktop
- Produces an image signature, not a cryptographic certificate signature
Alternatives worth considering
Adobe Acrobat Reader
Free reader with basic Fill & Sign capability.
- Free to download
- Trusted and widely recognised
- Allows both image and certificate signatures
- Certificate signatures and advanced features require paid Acrobat subscription
- Desktop install required
DocuSign
Dedicated e-signature platform with legally binding signatures.
- Legally binding e-signatures with full audit trail
- Works across multiple signers and workflows
- Widely accepted in legal and enterprise contexts
- Subscription required beyond the free trial
- More complex than needed for simple self-signing
More tools to consider
These widely-used online PDF suites also handle sign pdf if you want to compare results.
- Visit →iLovePDF
A polished, free online PDF suite with a wide range of tools and no signup required for occasional use.
- Visit →Smallpdf
Clean drag-and-drop interface and reliable output; the free tier caps you to a couple of tasks per day.
- Visit →Adobe Acrobat online
The official browser tool from the creators of PDF, sign-in required after the first conversion.
WisePDF is independent. We may receive a referral fee if you choose certain tools, but our ratings reflect our honest assessment of each option's strengths and trade-offs.
Browse File Formats
Reference details for 53 file formats, extensions, MIME types, what opens each one, and how they convert.