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Open-Source PDF SDK & AI Document Processing

Get the full self-hosted SDK and AI document processing on GitHub. One-click deploy to quickly build your document workflows.

Fill Form Fields

ComPDF for Web supports the AcroForm standard and provides a simple UI to fill out each form element. Click the corresponding form field and then fill in text or select options using either the onscreen keyboard or an attached hardware keyboard. Then click any blank area on the page to deselect the form element, which will commit the changes.