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Certified Zero-Knowledge Security

Zero-Knowledge PDF Metadata & Revision Purger

Ensure 100% legal compliance. Securely remove author identities, creation software, draft paths, and XML metadata streams locally on your device.

No-Upload Sandbox Guarantee

Privacy & Local Processing Guarantees

Built for confidential workflows — files stay in your browser memory.

Legal & Compliance
Privacy: 100% locally executed
Limits: Unlimited file size
Upstream: Zero servers logs
Technical Framework & Principles

What PDF Metadata Actually Leaks—and How Local Catalog Scrubbing Fixes It

Saving “as PDF” often retains Info dictionary fields (/Author, /Creator, /Producer, dates) plus Adobe XMP packets that store edit history, software versions, and sometimes filesystem hints. Cloud “cleaners” require uploading the very contracts you wanted to anonymize. GoLocalPDF opens the PDF in-browser with pdf-lib, clears standard Info fields, targets nested XMP metadata streams, and rewrites a clean binary—without sending the file to our servers. Visible page content stays intact; only hidden property trails are purged.

Real-World Workflows

When Legal and Ops Teams Strip PDF Metadata

Law firms scrub opposing-counsel packets before production. HR removes author trails from offer letters and RIF docs. Security teams sanitize PDFs leaving the corporate boundary. Journalists and whistleblowers strip creator fingerprints before publication. Procurement shares vendor RFPs without leaking internal usernames baked into document properties.

Operations Guide & Workflow
01. STEP

Drop the sensitive PDF

Load contracts, filings, or internal memos into the local sanitizer dropzone.

02. STEP

Purge Info + XMP streams

The client parser clears Info dictionary fields and nested XMP XML objects in memory.

03. STEP

Download the anonymized file

Export a cleaned PDF ready for external sharing or e-filing.

Market Competitor Gap Analysis
Feature MetricTraditional Cloud ServicesGoLocalPDF Sandbox
XMP / XML depth❌ Often clears visible Properties UI only✅ Scrubs Info tags and nested XMP metadata streams
Upload risk❌ File must reach a third-party cleaner🛡️ Entire wipe runs in browser RAM
Content safety❌ Some tools re-render/rasterize pages✅ Targets metadata catalogs; page visuals unchanged
Audit readiness❌ Soft “clear” that recovery tools reverse✅ Rewrites dictionaries into a fresh saved binary
Frequently Asked Questions

Q:Which metadata fields are removed?

Typical Info fields such as author, title, subject, keywords, creator, producer, and creation/modification dates, plus embedded XMP XML streams that carry deeper history.

Q:Does cleaning change the visible text or layout?

No. The sanitizer focuses on document information dictionaries and XMP—not body text, images, or page geometry.

Q:Is this safer than uploading to an online metadata remover?

Yes for confidentiality: the PDF never leaves your device during local scrubbing, so the cleaner cannot retain a copy.

Q:Do I need Adobe Acrobat Pro?

No. Property inspection and purge run in the browser as a free Acrobat alternative for this specific metadata task.

Q:Will PDF/A or signed documents stay valid?

Stripping metadata can invalidate digital signatures or strict PDF/A profiles. Re-validate compliance after cleaning if your workflow depends on those features.