File inspector

Edit File Metadata✓

Edit title, author, subject, keywords and comments in PDF, JPEG and PNG files locally in your browser. Image pixels are not recompressed.

Tools will load when you run.

Enter at least one field. Blank fields keep existing values. JPEG uses EXIF XP tags; PNG uses text chunks. PDF Comment is a custom document-info field; edited PDFs discard old document XMP.

PDF, JPEG and PNG · Processed on your device. Edits descriptive metadata; visible content and embedded files are not anonymized. JPEG/PNG pixels are not recompressed. Removal retains color profiles but removes EXIF orientation, which can change image rotation. Rewriting signed PDFs invalidates signatures.

How to use Edit File Metadata

  1. Choose your PDF, JPEG, PNG.
  2. Review the available options for edit file metadata.
  3. Run edit file metadata and download the result.

Process multiple files

Use a workflow to apply the same settings to each file.

Formats and requirements

Input formats
PDF, JPEG, PNG
Output
Depends on the selected output options
Availability
Free in your browser and through the CLI
Files per operation
1
Browser file limit
128 MiB per file, 128 MiB total

What to expect

Preserves the selected content; validate important outputs.

Do my files leave my device?

No. Thanks to advanced file-processing technology, your files are processed directly on your device, inside your browser. OneKit does not receive your input files or results. Required public processing libraries may download when you first use the tool.

File privacy and local processing →

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Install OneKit

Keep OneKit in its own app window, with a shortcut on your device.