Sign PDF Without Adobe Acrobat

No need to pay for Adobe Acrobat or install any software. SigPDF lets you add electronic signatures to any PDF directly in your browser — free and instant.

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SigPDF vs Adobe Acrobat for Signing PDFs

Adobe Acrobat Pro costs $12.99/month and requires you to download and install software. For most people who just need to sign a PDF quickly, that is overkill.

FeatureSigPDFAdobe Acrobat
PriceFree to use, €0.99/first month for downloads$12.99/month
InstallationNone — works in browserDesktop software required
Account requiredNoYes (Adobe ID)
PrivacyFiles processed in your browserFiles uploaded to Adobe servers
Works on phoneYesRequires separate mobile app

When to Use SigPDF Instead of Adobe

  • You need to sign a PDF quickly without installing anything
  • You don't want to create an Adobe account
  • You care about privacy and want files to stay in your browser
  • You're on a phone or tablet without Adobe installed
  • You need a simple electronic signature, not a certified digital signature