PDF tools

PDF/A Validator✓

Check PDF/A-1b, 2b or 3b on your device and download a JSON report. Unsupported content is reported as not checked.

Tools will load when you run.

How to use PDF/A Validator

  1. Choose your PDF.
  2. Review the available options for pdf/a validator.
  3. Run pdf/a validator and download the result.

Process multiple files

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

Formats and requirements

Input formats
PDF
Output
JSON
Availability
Free in your browser and through the CLI
Files per operation
1
Browser file limit
16 MiB per file, 16 MiB total

What to expect

Validate PDF/A-1b, 2b or 3b with pikepdf. Unsupported constructs are reported as not checked, never as compliant. Other conformance levels are not supported.

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 →

Install OneKit

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