A — one row, named tools

Open
Save
Print
Scan
OCR
Select
Text
Mark
Draw
Shape
Sign
Pages
Search
Undo
FIT WIDTH+

Fourteen tools carry their name. Everything else — stamp, image, crop, merge, flatten, redo — lives behind the three dots on the right.

40px of chrome · 512px left for the page · 16 of 30 tools hidden

B — icons only, nothing hidden

FIT WIDTH+

All thirty fit, name on hover. Fastest once someone knows the icons; a plant clerk opening it for the first time has to guess.

30px of chrome · 522px left for the page · nothing hidden

C — three tabs, named tools, nothing hidden

DocumentEditPages
Select
Text
Mark
Draw
Shape
Sign
Stamp
Image
Crop
FIT WIDTH+

Document, Edit, Pages. Every tool keeps its name and every tool is reachable, at the price of one click to change tab and a second bar of chrome.

56px of chrome · 496px left for the page · nothing hidden, one click deeper