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Pseudonymise and restore

Replace direct identifiers before using text or documents with AI, then restore them afterwards using a separate encrypted vault.

Files stay on this device.Processing and downloads happen in your browser. Content is not sent to the Prompt Studio server.
This is pseudonymisation

It reduces exposure but does not guarantee anonymity. People may still be identifiable from context.

Review every result

Automatic detection can miss names, indirect identifiers and unusual formats. Add important terms manually.

Protect the vault

Anyone with the .fgsvault file and passphrase can restore the selected identifiers.

1

Add content

Paste text or choose a supported file from this device.

2

Review findings

Select exactly what should be replaced. Medium-confidence items need particular care.

Run a scan to see findings here.

3

Preview and create files

Check that the readable placeholders make sense before downloading.

The pseudonymised preview will appear here.

Use at least 12 characters and keep the passphrase separately. Prompt Studio cannot recover it.