Zoom in/out

`Ctrl` + `Mouse wheel up and down`

All hotkeys for Xodo

Navigating Next document	`Ctrl` + `⭾ Tab`
Navigating Previous document	`Ctrl` + `↑ Shift` + `⭾ Tab`
Navigating … to <keybs>5</keybs>: Change ink tab	`Ctrl` + `1`
Navigating Scroll up	`↑`
Navigating Scroll down	`↓`
Navigating Scroll page up	`Page Up`
Navigating Scroll Page down	`Page Down`
Navigating Scroll Page down	`Space`
Navigating First Page	`Home`
Navigating Last Page	`End`
Navigating Jump back	`Ctrl` + `[`
Navigating Jump back	`Alt` + `←`
Navigating Jump forward	`Ctrl` + `]`
Navigating Jump forward	`Alt` + `→`
Navigating Zoom in/out	`Ctrl` + `-`
Navigating Zoom in/out	`Ctrl` + `+`
Navigating Zoom in/out	`Ctrl` + `Mouse wheel up and down`
Navigating Reset zoom	`Ctrl` + `0`
Navigating Rotate view clockwise	`Ctrl` + `↑ Shift` + `+`
Navigating Rotate view counterclockwise	`Ctrl` + `↑ Shift` + `-`
Annotating Stop editing textbox or ink	`Esc`
Navigating Close the current tab	`Ctrl` + `W`
Navigating Close the app	`Ctrl` + `↑ Shift` + `W`
Annotating Highlight	`H`
Annotating Underline	`U`
Annotating Strikethrough	`K`
Annotating Crossing out	`X`
Annotating Squiggly	`G`
Annotating Textbox	`T`
Annotating Comment	`C`
Annotating Note	`N`
Annotating Rectangle	`R`
Annotating Oval	`O`
Annotating Freehand	`F`
Annotating Pen	`P`
Annotating Draw	`D`
Annotating Eraser	`E`
Annotating Line	`L`
Annotating Arrow	`A`
Annotating Signature	`S`
Annotating Image	`I`
Annotating Undo	`Ctrl` + `Z`
Annotating Redo	`Ctrl` + `↑ Shift` + `Z`
Annotating Redo	`Ctrl` + `Y`
Annotating Copy	`Ctrl` + `C`
Annotating Cut	`Ctrl` + `X`
Annotating Paste	`Ctrl` + `V`
Annotating Delete selected annotation	`Del`
Annotating Delete selected annotation	`⬅ Backspace`
Other shortcuts Next Search	`⤶ Enter`
Other shortcuts Find	`Ctrl` + `F`
Other shortcuts Previous Search	`↑ Shift` + `⤶ Enter`
Other shortcuts Print	`Ctrl` + `P`
Other shortcuts Add bookmark	`Ctrl` + `D`