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What is ZyncPDF?
ZyncPDF is an open-source, privacy-first suite of powerful PDF tools built for speed, simplicity, and total user control. We believe your documents should stay yours — always. Every operation in ZyncPDF happens directly inside your browser, meaning your files never leave your device. With no uploads, no tracking, no ads, and no registration, ZyncPDF provides a smooth, secure, and 100% private experience for all your PDF tasks — from converting and merging to compressing and editing.
Why use our Edit PDF Metadata tool?
- Private by Design: 100% client-side — your files never leave your device.
- Open Source & Free: No registration, no ads, unlimited use.
- Batch Editing: Load multiple PDFs and apply consistent metadata quickly.
- Precise Control: Edit title, author, subject, keywords, creator, producer, and dates.
How to use
- Load your PDF(s): Add one or more PDFs using drag & drop or the file picker.
- Review fields: Existing metadata is auto-filled from the first PDF. Edit as needed.
- Apply: Click Apply Metadata to generate updated PDFs to download.
Privacy
Everything happens in your browser. Your documents never leave your device. LuxPDF is open-source and doesn’t collect file data — ever.
Frequently Asked Questions (FAQ)
No. Processing happens entirely in your browser. We never upload or collect your files.
Title, Author, Subject, Keywords, Creator, Producer, and Creation/Modification dates.
No. Only document properties are updated. Page content remains unchanged.