Drop your files here for Flatten PDF Annotations, Comments, and Highlights
Max 100 MB per file • Processed 100% in your browser
Burn editor markup, notes, and highlights permanently into PDF pages. 100% private client-side flattening with zero external server data tracking.
Drop your files here for Flatten PDF Annotations, Comments, and Highlights
Max 100 MB per file • Processed 100% in your browser
🔒 100% Client-Side Privacy: All processing executes entirely inside your browser memory via WebAssembly and Web Workers. Your documents, records, and data never leave your computer.
Architectural reviewers, academic peer editors, and copywriters frequently mark up PDFs with sticky notes, highlight boxes, and red pen drawings. Sending files with live annotations allows recipients to accidentally delete or move editorial comments. PDFZento bakes markup into the page permanently.
Complete this task in seconds using our on-device engine:
Your documents never leave your computer or phone. Processing runs entirely in browser memory with WebAssembly, ensuring total security for sensitive IDs, contracts, and financial records.
No upload queues, network lag, or server disconnects. Enjoy instant processing even during peak application deadlines when external servers are overloaded.
Pre-configured workflows tailored to strict portal guidelines, government exam quotas, and institutional compliance requirements.
Signatures, stamps, QR codes, and fine print retain high contrast and edge clarity, preventing rejection by automated document scanners or verification officers.
No. Annotations lose their editable property inspector attributes and become permanent parts of the document imagery.
No. All processing runs 100% locally in browser memory via WebAssembly. Your project plans remain confidential.
Yes. PDFZento maintains correct alpha transparency blending so highlighted text remains crisp and legible.