Fraudsters use advanced tactics to forge signatures, manipulate documents, and steal sensitive info, causing serious financial and reputational harm.
Fraudsters use advanced tactics to forge signatures, manipulate documents, and steal sensitive info, causing serious financial and reputational harm.
Protecting your business is no longer optional—it's essential. With Smallpdf, securing your documents has never been easier.
From password protection to signature verification and fraud document detection, this guide will show you steps on how to safeguard your business.
Key Steps to Detect and Prevent Document Fraud
Detect Fraud with the AI PDF Summarizer
Fraud document detection often requires going through lengthy documents to uncover anomalies. Our AI PDF Summarizer cuts this time drastically by extracting key insights from your documents in seconds.
Follow these steps:
- Upload your document to the AI PDF Summarizer.
- Use the AI prompts to scan for discrepancies, inconsistencies, or suspicious details.
- Review the summarized insights to identify any warning signs of fraud.

Detect Fraud with the AI PDF Summarizer
For instance, if you're reviewing contracts or invoices, this tool can help detect irregularities without the tedious effort of manual reading.
Ask Questions with Chat with PDF
Need more targeted insights? Our Chat with PDF lets you ask your document specific questions to uncover potential fraud.
Follow these steps:
- Upload your document to Chat with PDF.
- Ask questions like "Are there any mismatched figures?" or "Does this invoice include hidden fees?"
- Get clear, accurate answers in seconds.

Ask Questions with Chat with PDF
This tool is perfect for spotting red flags quickly without the need to comb through every page manually.
Encrypt Your Documents with a Password
One of the easiest ways to secure your files is to encrypt them with a password.
Here’s how to do it using our Protect PDF: 1. Open Protect PDF. 2. Upload your file or drag and drop it. 3. Set a strong password (mix letters, numbers, and symbols). 4. Download your encrypted PDF—now only authorized individuals can access it.

Encrypt Your Documents with a Password
Password protection ensures that your sensitive documents remain confidential and secure against unauthorized access.
Verify Signatures for Authenticity
Forged signatures can cause serious problems for your agreements and legal documents. Smallpdf helps you securely add your own digital signature, while our dedicated tool at Sign.com makes it easy to handle signature requests from others.
How to use the tools:

Verify Signatures for Authenticity Using our Sigh PDF
Digital signatures are legally binding and add an extra layer of authenticity to your business documents.
Redact Sensitive Information with Redact PDF
Confidential details like addresses, bank account numbers, or personal identifiers can be targeted in document fraud. The Redact PDF lets you safely hide sensitive information before sharing documents.
Steps to redact your file:
- Upload your document to the Redact PDF.
- Highlight the information you want to hide.
- Save your redacted file and share it securely.

Redact Sensitive Information with Redact PDF
This ensures prying eyes won’t see confidential details, reducing exposure to potential fraud.
Add Watermarks for Extra Security
Adding a watermark to your documents deters fraud by associating them with your brand. Documents with unique identifiers, like your company logo or tagline, are harder to forge.
Here’s how to use Smallpdf's Watermark PDF:
- Upload your document.
- Choose your watermark (e.g., a logo or text).
- Adjust its size and placement on the file.
- Download your watermarked document.

Add Watermarks for Extra Security
Watermarks confirm document authenticity and prevent tampering.
FAQs
How can I detect fraud in documents easily?
Use AI PDF Summarizer to analyze documents and extract key insights that highlight irregularities or suspicious details within seconds.
Can a password-protected file still be hacked?
A strong password adds substantial security. Make sure to use a mix of uppercase, lowercase, numbers, and symbols for optimal protection.
Are digital signatures legally binding?
Yes, digital signatures created with Sign PDF are secure, legally binding, and comply with major e-signature regulations.
How much does it cost to use Smallpdf tools for fraud prevention?
All of Smallpdf’s tools, including encryption, annotations, and watermarking, are free. Advanced features like signature tracking and AI Summarizers are also accessible without any subscription.
