Edit PDF Metadata Online — Update Document Properties Free
View and edit PDF metadata properties online for free. Change Title, Author, Subject, Keywords, and Creator fields locally in your browser in seconds.
Select or Drag a PDF File Here
Inspect and edit document properties including Title, Author, Subject, Keywords, Creator, and Producer with 100% privacy.
How to Edit PDF Title, Author & Keywords Online in 3 Steps
How It Works
Import PDF Document
Upload your PDF document. The editor parses internal document property dictionaries directly in your browser memory.
Update or Scrub Fields
Modify the Title, Author, Subject, and Keywords, or clear all inputs completely to anonymize the document.
Save & Download PDF
Click Save Changes to instantly export your document with updated properties and intact vector layout.
Complete PDF Document Properties & XMP Editor Features
In-Browser Property Controls
Document Presentation
Set professional document titles displayed in browser tabs and reader applications, replacing messy filenames.
Anonymize Document Traces
Wipe hidden operating system paths, computer usernames, and creation software tags before public sharing.
Subject & Keyword Tags
Embed descriptive keywords and subjects into document catalogs for improved internal indexing and searchability.
Zero Recompression
Updates metadata dictionaries directly without recompressing page content, preserving exact fonts and vectors.
In-Browser PDF Metadata Editor vs. Cloud Tools
Utilvo vs. Cloud Utilities
| Benchmark Metric | Utilvo Client-Side Engine | Traditional Cloud Converters |
|---|---|---|
| Execution Environment | Local Browser TypedArrays Sandbox | Remote Server Ingestion Queues |
| Document Structure Preservation | Direct Dictionary Patching (Lossless) | Server Re-serialization (Risk of Font Bloat) |
| Confidentiality & File Privacy | 100% Zero-Knowledge (RAM only) | Uploaded & stored on temporary cloud disks |
| Processing Latency | Instant (<100ms) Local Save | Network upload + queue + download latency |
| Usage Limits & Watermarks | Unlimited files, zero watermarks | Document quotas or subscription paywalls |
Why Updating PDF Document Properties Improves Search & Archiving
Engineering Notes
Direct Info Dictionary Patching
The editor locates the document Catalog trailer /Info reference and updates string literals directly, avoiding full PDF object graph traversal and keeping output files byte-compact.
XMP Metadata Synchronization
When modern PDF readers parse documents, they inspect Extensible Metadata Platform (XMP) XML packets. Our engine synchronizes Title, Author, and Subject entries across both legacy and XMP schemas.
Zero Font Recompression
Because content streams and font descriptors are never touched or re-rasterized, embedded TrueType/OpenType font subsets remain 100% intact with zero kerning or visual fidelity degradation.
Client-Side Memory Sandbox
File reading and compilation run strictly inside browser WebAssembly and JavaScript heaps. When you close the browser tab, all document buffers are purged from RAM immediately.
Checklist for Optimizing PDF Title, Author & Subject Tags
Pre-Flight Checklist
Review populated fields upon file upload to identify embedded personal usernames, previous company names, or internal file paths before editing.
When entering multiple keywords, separate each term with a comma so cataloging applications index individual tags accurately.
If the document is encrypted with an owner password that restricts editing, unlock the document with our Unlock tool prior to updating metadata.
After downloading your updated document, open it in Adobe Acrobat or your browser reader and inspect File Properties to verify fields appear as intended.
Standard PDF Info Dictionary & XMP Metadata Fields
Source Format Specifications
| Source Document Type | Metadata Standard | Dictionary Keys | XMP Packet | Processing Engine | Target Standard |
|---|---|---|---|---|---|
| Standard Vector PDF | ISO 32000-1 | /Title /Author /Subject | Synchronized | PDF-Lib Client Memory | ISO 32000-1 (Target export) |
| Legal Contract / Brief | ISO 32000-1 | /Author /Producer /Creator | Anonymized | PDF-Lib Client Memory | ISO 32000-1 (Target export) |
| Corporate Financial Report | ISO 32000-1 | /Keywords /Subject /Title | Indexed | PDF-Lib Client Memory | ISO 32000-1 (Target export) |
| Academic Research Paper | ISO 32000-1 | /Title /Author /Keywords | Synchronized | PDF-Lib Client Memory | ISO 32000-1 (Target export) |
Frequently Asked Questions About Editing PDF Metadata
Frequently Asked Questions
Helpful guidance on changing PDF author tags, setting document titles, removing metadata, and client-side privacy.
1How do I change the author or title of a PDF file?
Upload your PDF into the editor, enter your new document title and author name in the respective fields, and click 'Save Changes'. The updated PDF downloads immediately with your new properties embedded.
2Why should I remove or edit PDF metadata before sharing a document?
PDFs created from Word, InDesign, or Google Docs often store hidden details, including your computer username, previous company names, software version, and creation timestamps. Cleaning these properties protects your personal privacy and keeps business proposals professional.
3Does editing metadata alter or blur text, fonts, or images in the PDF?
No. The editor only modifies internal document property records. All page content, embedded fonts, images, hyperlinks, and vector layouts remain completely untouched at original resolution.
4Can I completely delete all metadata to make a PDF anonymous?
Yes. Simply clear all text input fields (Title, Author, Subject, Keywords, Creator) and save. The tool wipes identifying metadata tags so the file can be shared without personal attribution.
5Are my confidential files uploaded or saved on any remote server?
No. Utilvo operates 100% inside your local web browser. Your PDF files, resumes, and legal contracts are processed in device memory and are never uploaded to any remote server or stored in the cloud.
6Can I inspect existing metadata before saving changes?
Yes. As soon as you select a PDF, the editor parses the internal document dictionary and populates all active metadata fields including Title, Author, Subject, Keywords, Creator, and Producer for instant inspection.