8月11日的PDF Metadata Remover & Cleaner应用程序分析

PDF metadata remover and privacy cleaner for Android. Strips author names, document IDs, timestamps, XMP data, and hidden identifiers from your PDFs before you share them. 100% on-device. No upload, no account, no cloud. Every PDF carries hidden data anyone who receives it can read: your name, the software used, when it was created, and a unique document fingerprint. Unlike web tools that upload files to a server, all processing happens locally on your device. WHAT IT REMOVES - Author information: author, creator, producer, title, subject, keywords - Timestamps: creation date, modification date, XMP metadata date - Document identity: document ID pairs, instance ID, modification ID - Revision history: XMP revision history and version chains - XMP metadata: complete XMP packet including all custom schemas - Annotations: comments, highlights, stamps, sticky notes (flatten or remove) - Digital signatures: preserve all, strip unsigned only, or remove all - Software traces: creator tool strings and producer information - Password protection: remove or preserve PDF passwords (Pro) HOW IT WORKS 1. Open any PDF from Files, a share sheet, or your document manager. 2. Review the pre-scrub audit. Every metadata field is listed before anything is changed. 3. Tap to scrub. The original file is never modified. 4. Save the cleaned PDF or share it directly to any app. WHO USES IT - Journalists and researchers removing author trails from source documents - Lawyers and consultants anonymizing client PDFs before delivery - Freelancers cleaning invoices and portfolios of internal metadata - Students submitting assignments without leaking personal software fingerprints - Anyone sharing PDFs without exposing who created them, on what device, or when PRIVACY-FIRST. 100% ON-DEVICE. - 100% on-device processing. Your PDFs never leave your phone. - No analytics, no telemetry, no uploads, no accounts, no ads. - Working files are cleared after every scrub session. FREE, PRO, AND LIFETIME Free: 2 PDFs per day, full metadata removal, pre-scrub audit. Pro: unlimited scrubs, batches up to 20 PDFs, extended batch mode up to 100 PDFs, full metadata inspector with raw JSON, annotation flattening, signature policy, password removal, rasterized output, scrubbing profiles. Lifetime: one-time purchase. All Pro features, forever. No subscription required. FAQ What is PDF metadata? Hidden information embedded in every PDF: author name, creation date, software used, revision history, and document ID chains. Anyone who receives the file can read it. How do I remove the author name from a PDF on Android? Open the PDF, review the author field in the pre-scrub audit, and tap to scrub. Author, creator, and producer fields are removed automatically. Does it work offline? Yes. All processing happens on your device. No internet connection required. Is my PDF uploaded to a server? No. Your files never leave your device. No server, no cloud storage, no account required. Will it damage the PDF content? No. Only metadata and optional structural elements are removed. Text, images, and page layout are never modified. Can it handle password-protected PDFs? Yes. Enter the password when prompted. Scrubbing happens on-device and the password is never transmitted anywhere. Does it remove XMP metadata? Yes. The full XMP packet is removed, including custom schemas, revision history chains, and instance IDs that standard PDF editors leave behind. PERMISSIONS - INTERNET: Google Play license checks and Pro subscription purchases only Remove PDF metadata. Anonymize documents. Share with confidence, on your phone. ALSO FROM VANTRE: Vantre Photo, metadata remover for photos and images. getvantre.com