Undo, redo and autosave

Your changes are saved automatically. Use Undo and Redo to step back and forward.

Applies to Android 8.0 or later

Kiwi PDF saves your work automatically while you edit — you never need to tap a Save button.

How autosave works

Every annotation, text edit or page change is saved to the file within half a second. Changes are also embedded as standard PDF annotations so other apps can read them.

Undo and redo

Tap the ← (undo) and → (redo) arrows at the top left of the editor.

A single tap undoes the most recent action. You can keep tapping to step back through your whole session.

Moving, resizing or rotating an annotation with a single drag counts as one undo step — you won't have to tap undo dozens of times just because you repositioned something carefully.

What cannot be undone

Deleting a file from the file manager (not an editor action).
Exporting or sharing a file (the export itself is not reversible, but the original file is unchanged).

Undo history is cleared when you close the editor. Reopening a file starts a fresh history.

Only saves when you make a change

Kiwi PDF only writes the file when you actually edit it. Simply opening and viewing a PDF — even selecting annotations — does not trigger a save. This protects the file's modification date and any digital signatures.