What does linearizing a PDF do?

It reorders the objects inside the PDF and adds Fast Web View hints so a compatible server and viewer can show the first page while the rest of the file is still downloading.

Does linearization change how the PDF looks?

No. Page content, images, fonts, bookmarks and quality are preserved. It changes the internal layout for delivery, not the rendered pages.

Will the file get smaller?

Usually not. Linearization is about faster first-page display, not compression, and the output may grow slightly. The result shows the output size and percentage change.

What if my PDF is already linearized?

The tool detects the existing Fast Web View structure and passes the file through unchanged, then tells you it was already linearized.

When should I use Fast Web View?

Use it for PDFs you host on a website or link to online — manuals, reports, statements and downloads. It helps most when the server supports byte-range requests and the audience opens files in a browser or compatible viewer.

Can I linearize several PDFs at once?

Yes — drop up to ten PDFs and run the batch action. Each file is processed with the same single-purpose operation.

Can it handle password-protected PDFs?

If a file is locked, you can unlock it with the password before processing. The tool cannot remove an unknown password for you.

Is my PDF uploaded to a server?

No. qpdf runs as WebAssembly in your browser, so the file is processed locally and never leaves your device.

PDFリニアライズでFast Web View｜のページをすばやくするツール

PDFをリニアライズしてFast Web Viewにさせ、ホストしたファイルの1ページをりのダウンロードにできるようにします。ブラウザでするツールで、アップロードのためプライバシーもられます。はローカルでし、サーバーへのもありません。

1. Add PDFs

Drop up to 10 PDFs to restructure them for progressive web delivery. Everything stays on your device.

2. Linearize

One click reorders the PDF internals for Fast Web View. No settings, no quality changes.

3. Download

Get the optimized PDF back — ready to host so page one can appear before the download finishes.

About Linearize PDF

Make Hosted PDFs Start Faster

A normal PDF is not organized for streaming. A viewer often has to fetch large parts of the file before it can draw page one, which makes big documents feel slow when they are opened from a link. Linearization — also called Fast Web View — reorders the objects inside the PDF and adds the hints a server and viewer need to display the first page while the rest is still arriving.

This tool applies that structure directly in your browser with qpdf compiled to WebAssembly. Drop in a PDF, run Linearize for Fast Web View, and download a file that is better suited to websites, portals, documentation hubs and email links.

What Changes — and What Does Not

Linearization is a delivery optimization, not a visual rewrite.

Fast Web View Structure

The PDF internals are reordered so compatible viewers can render page one before the full file has downloaded.

Content Stays Intact

Pages, images, fonts, bookmarks and quality are preserved — the bytes are rearranged, not re-authored.

Small Size Trade-Off

The output can grow slightly because linearization adds structure for progressive delivery. The result card shows the exact size change.

Already-Optimized Detection

If a file already has the Fast Web View layout, it is passed through unchanged instead of being processed again.

When Linearization Helps

Use it when the PDF will live behind a URL: product manuals, reports, whitepapers, invoices, statements, onboarding packets or downloadable forms. On a server that supports byte-range requests, a linearized PDF lets readers start on page one instead of waiting for the whole document.

It is less useful for files that only live locally or inside a zip. The win is progressive delivery over the web — the same reason streaming video starts before the whole file is cached.

How It Compares

The point is not compression — it is making the first page available sooner.

機能	Upload-and-optimize services	Desktop PDF tools
Adds Fast Web View structure		Varies
Preserves page content and quality	Varies
Detects already-linearized files	Varies	Varies
Batch up to 10 PDFs	Varies	Varies
No file upload required
Runs in the browser

Private by Design

Linearizing a PDF means processing the whole file, so it matters where that work happens. Many online tools ask you to upload the document first, which is a bad fit for contracts, financial exports or internal reports.

OxygenPDF runs qpdf locally in your browser. The file never leaves your device, and closing the tab clears the working data. You get the same Fast Web View result without handing the document to a server.