Optimise PDF for the web
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Only this public address is included. Your files, inputs and results stay out of the link.
Create a checked linearised PDF for Fast Web View while retaining text, images and vectors.
Preparing your tool…
A visual example
Fast Web View changes the file structure
- Page dataResourcesIndex
Ordinary PDF
A viewer may need later parts of the file before showing the first page.
- First pageRemaining pages
Linearised PDF
First-page data is arranged for progressive access in compatible viewers.
The tool verifies linearization and reports the real output size.
Illustrative example. Conceptual diagram. No speed or size saving is promised; server, viewer and network determine the benefit.
How to use it
- Choose a PDF or the example.
- Start web optimisation. The engine runs locally; the file is not uploaded.
- Wait for the output linearization check and compare actual byte sizes.
- Download and use the new PDF on a server/viewer supporting progressive PDF loading.
A multi-page PDF is reorganised so its first page can be loaded before the complete file. Content stays in PDF form; the new file may be larger.
Details & limits
Up to 25 MiB and 100 pages; 60 seconds. Encrypted/signed PDFs, XFA, attachments, active actions and unsupported image encodings are rejected. No PDF/A or accessibility certification. Self-hosted qpdf 12.4.1 download, about 2.25 MB. Linearization is checked before download. No image recompression, guaranteed file-size reduction or guaranteed loading-speed improvement.
Is web optimisation the same as compression?
No. Linearization changes the file structure for Fast Web View. Compression focuses on file size and may offer explicit image recompression. Loading benefits depend on the viewer, range-request support and network. This tool checks linearization, not the performance of your hosting service.