Optimize PDF files for fast web viewing. Linearized PDFs load progressively in browsers.
Click to select PDFs or drag and drop
Single or multiple PDF files supported
Your files never leave your device.
Select one or more PDF files you want to optimize for web viewing.
Click the "Linearize PDF(s)" button to optimize your files.
Download your web-optimized PDF files instantly.
Your files never leave your device. All processing happens locally in your browser.
Enable progressive loading so users see the first page while the rest downloads.
Linearize multiple PDF files at once to save time.
No subscriptions, no hidden fees. Linearize PDFs for free.
PDF linearization (also called "Fast Web View" or "Optimized for Web") restructures a PDF so the first page can be displayed before the entire file is downloaded. This improves user experience when viewing PDFs online.
Linearizing PDFs provides faster initial page display for web users, reduces perceived loading time, improves user experience on websites, and is especially beneficial for large PDF documents shared online.
Yes, SwiftPDFLab processes your PDF entirely in your browser. Your files never leave your device or get uploaded to any server, ensuring complete privacy and security.
No, linearization only restructures how the PDF data is organized internally. All content, formatting, and visual appearance remain exactly the same.
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