Why is lossless compression small?

Most PDFs are already compressed internally. Lossless mode removes structural overhead and metadata only, so savings are typically modest.

Will I still be able to select text?

With Lossless, yes. Balanced, Strong and Target size turn pages into images, so text is no longer selectable or searchable.

No. The document is opened and rewritten inside your browser. It is never sent to a server, and closing the tab discards it.

Unlock it first with the Unlock PDF tool, using its password. Protected files cannot be processed directly.

JavaScript is turned off. InspireTools processes files in your browser, so the tools need JavaScript to run.

Reduce PDF file size, losslessly or to a target size.