
Signature-based scan
Local malware scanner
Look for malware indicators with the YARA engine, without sending the file to a server.
Scan a file
Free tools · No account
Five free tools to prepare, check and clean your documents before sharing them. Files stay on your device, with no account to create.
Processed locally. Your files stay on your device.

Signature-based scan
Look for malware indicators with the YARA engine, without sending the file to a server.
Scan a file
Integrity check
Compute a file’s fingerprint and compare it with a reference given by the sender.
Compute a fingerprint
Privacy
Remove the GPS position, author and hidden properties of a photo or PDF before sharing it.
Clean a file
Organisation
Generate the list of documents to ask a client for, depending on your profession, with a message ready to send.
Create a checklist
Format identification
Examine the first bytes of a file and spot mismatches with its extension.
Identify a fileA file signature and a fingerprint tell you different things. The first helps identify a format, the second compares content. The scanner looks for known indicators: none of these tools alone guarantees that a document is safe.
To organise your exchanges afterwards, discover the client folder for freelancers, the client portal for agencies and client document collection.
What comes next, in DocBunker
Get file scanning inside the app and go further: share your documents in a client space, follow the exchanges and gather feedback in one place.
Create my DocBunker space Discover the app →