Prepare documents
Supported document types and upload limits
Prepare files that upload and render reliably.
Updated
Recommended format
PDF is the most predictable format because page dimensions and visual placement remain stable. Convert editable files to PDF when exact field alignment matters.
Before uploading
- Remove password protection unless the workflow explicitly supports it.
- Confirm every page has the expected orientation.
- Flatten unusual fonts or graphics by exporting a new PDF.
- Avoid uploading executable files or archives.
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