PDF Studio

Show blocks

Text

Click a block on the page, then click inside it to edit.

Font

Only letters the PDF lacks Find fonts automatically

Size Line spacing

synthetic where none

Colour

Alignment

Wrap Flow text below

Keys

Click a block to select it, click again to edit. Ctrl+Enter or clicking away applies, Esc cancels. Formatting applies to the text selected in the box (or the whole paragraph).

Layout analysis

The page's blocks as the built-in analysis reads them: the layout model in the wasm, the rules over its boxes, a tagged PDF's structure tree when it can be trusted, and reading order. Editing uses them for page flow and paragraphs.

Markdown

Drop a PDF here or

or a test file

Everything runs in this browser: the file never leaves the machine.