BlurData

BlurData automatically redacts personal information from PDFs, screenshots, and images on Mac, with custom regular expressions for other data.

blurdata.app
BlurData homepage screenshot

About BlurData

BlurData is a Mac application for removing personal information from PDFs, screenshots, and images. It automatically detects common personal data types, including emails, names, addresses, IP addresses, URLs, monetary amounts, account numbers, and license plates. Users can also add custom regular expressions to detect internal IDs, JWTs, API keys, or ticket numbers.

The app has two modes. Redact mode covers selected data with a colored bar and removes it from the file structure on export. Pseudonymize mode replaces people, addresses, and amounts with consistent labels such as [PERSON_1], so text can be read by an AI tool or colleague. The key linking labels to the real data stays on the user's Mac. The homepage states that detection and rendering run on-device and that no cloud upload is needed. Sending pseudonymized copies to external AI services such as ChatGPT or Claude is a separate step the user chooses to take. The homepage describes the tool as built for GDPR and HIPAA workflows, but this is a design description, not a certification of compliance.

Key features

  • Automatic detection of emails, names, addresses, IP addresses, URLs, and amounts
  • Custom regular expressions for internal IDs, JWTs, API keys, and ticket numbers
  • Redact mode covers selected data with a colored bar and removes it on export
  • Pseudonymize mode replaces personal data with consistent labels across pages
  • Batch redaction of entire folders of files in one pass
  • Multi-language OCR with automatic language detection
Best for: Mac users who need to remove personal or confidential data from PDFs and screenshots before filing, sharing, or sending them to AI tools.
Good for
  • All detection and rendering is stated to run on the device, with no upload required
  • Pseudonymize mode keeps document text readable by using consistent labels
  • A 14-day money-back guarantee is stated, with a full refund if the tool does not work for the user's documents
Watch out for
  • Built-in detection covers eight data types, so other data needs custom regex or a requested preset
  • Licenses are tied to specific Macs: one Mac for Personal and five for Team
  • Pseudonymized copies sent to external AI services leave the app, which is outside the tool's offline processing

BlurData at a glance

Type
Online tool
Pricing
Not confirmed. Check the site
Platforms
iOS, Web, Windows
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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BlurData FAQ

Does BlurData upload files to a server?
The homepage states that all detection and rendering happens on the device and that no cloud upload or internet connection is required. Optional steps, such as sending a pseudonymized copy to an external AI service, are outside the app.
What is the difference between Redact and Pseudonymize modes?
Redact removes the selected data from the file and covers it with a colored bar, so the original cannot be recovered from the file. Pseudonymize replaces data with consistent labels such as [PERSON_1], keeps the text readable, and stores the key that links labels to real data on the user's Mac.
What happens if the tool does not work for my documents?
The homepage states a 14-day money-back guarantee with a full refund if the tool does not work for the user's documents.
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