Personal toolbox
Small utilities, always to hand.
01
Percentage
Percent of, out of, and change
02
Countdown
Days until a date
03
Aspect Ratio
Calculate dimensions from a ratio
04
Book Progress
Track how far through a book you are
All tools
Book progress
0
%
p.1
p.—
Current page
First page
Last page
All tools
Countdown
Label
Date
Cancel
Add
Add countdown
All tools
Aspect Ratio
—
Ratio W
Ratio H
Width
Height
Fill in any three fields to calculate the fourth
All tools
Percentage
Value A
Value B
A is what % of B
—
A% of B
—
% change A → B
—
Saved