Make PDF forms and annotations non-editable by flattening all interactive elements.
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Non-editable
Make forms permanent
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Flattening converts all form fields, annotations, and layers into static content. This prevents further editing and ensures the PDF looks the same across all viewers.
No, flattening is permanent. Once form fields are flattened, they become regular text and can't be made editable again. Always keep a backup of your original PDF.
Flatten PDFs before final distribution, when submitting official documents, or when you want to prevent recipients from editing form fields or annotations.