Flatten PDF
Convert interactive PDF forms and annotations into static, non-editable content. Perfect for finalizing forms, archiving documents, and ensuring data integrity.
or Drag & drop files here
Supported formats: .pdf, application/pdf
Flatten PDF Forms and Annotations
Convert interactive PDF forms into static, non-editable documents by flattening form fields and annotations. This process permanently merges fillable form fields, comments, and markup annotations into the PDF content, preventing further editing. Essential for finalizing legal documents, archiving completed forms, ensuring data integrity, and creating documents that display consistently across all PDF viewers.
Key Features:
- Flatten all interactive form fields (text fields, checkboxes, radio buttons, dropdowns)
- Merge annotations and markup into static content
- Prevent unauthorized editing of completed forms
- Ensure consistent display across all PDF viewers and devices
- Preserve all visual content while removing interactive elements
- Batch processing - flatten multiple PDFs simultaneously
- 100% browser-based - your documents never leave your device
How to flatten PDF files:
- 1
Click "Select PDF Files" or drag and drop your PDF documents
- 2
Choose whether to preserve metadata and remove annotations
- 3
Preview the files that will be flattened
- 4
Click "Flatten PDFs" to convert forms to static content
- 5
Download your flattened PDF files
Your Privacy is Protected
All conversions happen locally in your browser. Your files never leave your device and are automatically deleted when you close this page.
Frequently Asked Questions
Flattening converts all interactive elements like form fields, buttons, and editable annotations into static, non-editable content, making the PDF read-only.
Flatten PDFs when you want to finalize forms, archive documents, prevent further edits, ensure consistent viewing across all devices, or prepare files for printing.
All form fields (text boxes, checkboxes, radio buttons, dropdowns) are converted to regular text and graphics that cannot be edited or modified.
Yes, you can optionally remove comments, highlights, and other annotations while flattening, or keep them as static content in the PDF.
No, flattening is a one-way process. Once flattened, form fields cannot be converted back to interactive elements. Always keep a copy of the original PDF.
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Unlike other PDF tools, we process your files directly in your browser using WebAssembly technology. This means your sensitive documents never leave your device.
Browser Processing
Processing happens in your browser
No File Uploads
No files uploaded to our servers
No Storage
We don't permanently store your files
Complete Privacy
Your files never leave your device during processing
100% Privacy Guarantee
We use cutting-edge WebAssembly technology to process your PDFs entirely within your browser. No uploads to our servers, no data collection, no privacy concerns. Just pure, local processing power.
How Our Privacy-First Technology Works
WebAssembly Processing
We use WebAssembly (WASM) to run PDF processing libraries directly in your browser, eliminating the need to upload files to external servers.
Local Storage Only
Files are temporarily stored in your browser's memory during processing and automatically cleared when you close the tab or complete the task.
No Data Collection
We don't track, store, or analyze your file contents. Our analytics only measure tool usage patterns, not personal data.
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Our privacy-first approach means we're automatically compliant with GDPR, CCPA, and other privacy regulations worldwide.