59 lines
2.8 KiB
Markdown
59 lines
2.8 KiB
Markdown
---
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title: Edit Metadata
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description: View and modify PDF metadata fields including title, author, keywords, dates, and custom properties.
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---
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# Edit Metadata
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Edit the metadata embedded in a PDF file. The tool pre-populates a form with the document's existing metadata, lets you modify any field, and saves the changes into a new PDF.
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## How It Works
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1. Upload a PDF file. The tool reads its current metadata and populates the form.
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2. Edit any of the standard fields: Title, Author, Subject, Keywords, Creator, Producer.
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3. Adjust the Creation Date and Modification Date using date-time pickers.
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4. Add custom metadata fields by clicking the add button and entering a key-value pair.
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5. Click the process button to save the modified PDF.
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## Features
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- Pre-fills all existing metadata from the uploaded PDF
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- Standard fields: Title, Author, Subject, Keywords, Creator, Producer
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- Date-time pickers for Creation Date and Modification Date
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- Custom key-value metadata fields for arbitrary properties
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- Saves changes directly into the PDF's document info dictionary
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## Editable Fields
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| Field | Description |
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| --------------------- | ---------------------------------------------------- |
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| **Title** | The document title displayed in PDF readers |
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| **Author** | The person or organization that created the document |
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| **Subject** | A brief description of the document's topic |
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| **Keywords** | Comma-separated terms for search and categorization |
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| **Creator** | The application that originally created the content |
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| **Producer** | The application that generated the PDF |
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| **Creation Date** | When the document was originally created |
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| **Modification Date** | When the document was last modified |
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| **Custom fields** | Any additional key-value pairs you define |
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## Use Cases
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- Setting a proper title and author before publishing a document
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- Adding keywords to improve searchability in document management systems
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- Updating the modification date to reflect the current revision
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- Adding custom metadata fields like Department, Project ID, or Classification
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- Cleaning up metadata left by the original authoring software
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## Tips
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- Custom fields are written directly into the PDF's info dictionary. Some PDF readers may not display custom fields, but they are preserved in the file.
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- Leave a field blank to clear it from the metadata. The process button saves whatever is in the form.
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- To view metadata without editing, use [View Metadata](./view-metadata). To remove all metadata entirely, use Remove Metadata.
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## Related Tools
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- [View Metadata](./view-metadata)
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- [PDF OCG Layers](./pdf-layers)
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- [Compress PDF](./compress-pdf)
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