What does Web Optimize PDF do?
Web Optimize PDF is a free online tool that can linearize PDF for fast web viewing. The PDF result from Web Optimize PDF is a separate copy to inspect before you use it elsewhere. One possible use is long manuals prepared for web hosting.
Linearization reorganizes a PDF for progressive access over the web. It makes the file structure more suitable for a viewer that supports loading early pages before the entire file has arrived.
This differs from reducing image resolution or heavily shrinking a scan: the focus is the order and organization of PDF objects. Use it for a completed file you plan to host, and test the hosted result in the viewer your audience uses.
A host can support partial file requests or send the whole PDF at once. Those choices affect how progressive reading works.
Test the public link, rather than only the local download. A fast local opening does not measure a reader's network. Assemble the final pages before making a web reading copy.
Optimize a PDF for web viewing online: steps
Before using Web Optimize PDF, decide what the new copy must contain and where it will be used. Start with the final PDF and keep the hosting scenario in mind rather than choosing a target file size. Review the upload area and all values required by the current Web Optimize PDF form.
Choose the source
Test a long manual from its hosted URL. For Web Optimize PDF, choose one source from your device. Keep a source copy for another attempt.
Review the form values
The Web Optimize PDF form has no extra task settings. Check the source in the file area.
Run the file task
Use Process Web Optimize PDF after checking the source and form values. Wait for the job to finish. An error means this attempt failed.
Save and check the output
Check that the result opens normally and test progressive viewing in the planned browser or PDF reader. Store the output on your device. Name this copy separately from the original.
Web viewing: uses for Web Optimize PDF
Web Optimize PDF can help with catalogs arranged for progressive browser access. It can also be used for public reports optimized after final assembly. The PDF result from Web Optimize PDF must suit the intended reading or editing step, so keep the source until that check is complete.
- Long manuals prepared for web hosting.
- Catalogs arranged for progressive browser access.
- Public reports optimized after final assembly.
- PDF reading copies tested on a file website.
Formats and limits for Web Optimize PDF
The Web Optimize PDF form accepts PDF sources. Each Web Optimize PDF upload can be up to 300 MB, which equals 300 MiB. The allowed suffixes on the Web Optimize PDF page do not prove that a source has valid content inside it.
| Accepted formats | Maximum file size | Output |
|---|---|---|
| 300 MB per file (300 MiB upload limit) |
The perceived benefit depends on server range-request support, network conditions and viewer behavior. Linearization does not promise faster loading everywhere.
How this tool works
Web Optimize PDF uses qpdf to handle the source on the server. The Web Optimize PDF request uses your chosen input rather than any local editing project left on your device. Check the PDF contents produced by Web Optimize PDF before treating them as ready for another app or reader.
For Web Optimize PDF, your browser uploads the source to our file-processing server. This is a server task, not local editing.
Files are due for deletion within 1 hour. Cleanup runs during normal service operation. Keep a local download for future use.
Web Optimize PDF questions and answers
If Web Optimize PDF gives an unexpected result, start by checking the source type and the values used in the form. Check the PDF contents from Web Optimize PDF as well as the filename or displayed message. For another result type, compare Web Optimize PDF with the separate tools described in these answers.
What matters when using Web Optimize PDF?
Check the first pages on the browser your readers use. View that area at its intended display size. Note any differences that affect your purpose.
Why try Compress PDF?
Compress PDF offers another task beside Web Optimize PDF: reduce PDF file size using Ghostscript. Compress PDF returns PDF. The stated PDF output from Web Optimize PDF matches a listed input type for Compress PDF.
Why try Repair PDF?
Repair PDF offers another task beside Web Optimize PDF: attempt to rebuild a broken PDF structure. Repair PDF returns PDF. The stated PDF output from Web Optimize PDF matches a listed input type for Repair PDF.
Why try Merge PDF?
Merge PDF offers another task beside Web Optimize PDF: combine multiple PDF files into one. Merge PDF returns PDF. The stated PDF output from Web Optimize PDF matches a listed input type for Merge PDF.
What if my PDF result does not open?
For a failed Web Optimize PDF result, first confirm that the download completed and that the viewer supports PDF. Try another local viewer for that format.
Record any error message for support. Keep private source material out of the report.
How do I report a problem with Web Optimize PDF?
Contact support with the Web Optimize PDF page name, source format and the error you saw. Mention any relevant form settings you chose. Do not send passwords or private attachments.