Your files stay on your device
File processing runs in your browser. Documents are not uploaded to our servers. The site may download processing engines and send usage or feedback events without file contents.
How we handle your dataLaboratory · On your device
Linearize PDF
Reorganize an unencrypted PDF for progressive loading in compatible online viewers. Files stay in your browser.
Engine:QPDF
The next tool opens in a new tab. Keep this tab open until the file arrives. The PDF is passed locally; it is not uploaded or saved in browser storage.
Was this tool useful?
Try an example
Download sampleThe output retains both pages and Total: 148.50. Its linearization is checked before download. Faster display depends on the server and viewer; the file may become larger.
What to expect
The tool reorganizes data without rasterizing pages. Progressive loading requires a compatible viewer and server support for byte-range requests. It does not guarantee smaller files or faster display in every viewer.
Unencrypted PDF input up to 20 MB; output up to 30 MB. Processing and validation stop after 30 seconds. Files with structural warnings are rejected. Rewriting a PDF can invalidate digital signatures.
Encrypted file?Unlock PDF with a known password first.
The first run may download converter files and take a moment. If it fails, check your connection or try a smaller file. Cancel stops active processing; you can choose another file and retry.