When searching with numbers, proper use of the number syntax will greatly improve your overall quality of life.
In search, the syntax goes like this:
Number syntax can be used almost anywhere numbers are included in the search, e.g. id, width, age etc. Though, in certain instances number syntax will not work, e.g. when searching for pools.
Less than or equal to
- <100 (less than only)
- <=100 (less than or equal to)
- ..100 (equivalent to <=100)
Greater than or equal to
- >100 (greater than only)
- >=100 (greater than or equal to)
- 100.. (equivalent to >=100)
- 100..200 (all numbers between 100 and 200, inclusive)
Note: intervals only work from low to high, i.e. 100..200 will work while 200..100 won't.
Metatags where basic syntax can be used
id, width, height, score, mpixels, ratio, filesize, age, date, tagcount, gentags, arttags, chartags, copytags
Metatags where basic syntax cannot be used
pixiv, limit, parent, pool
With certain metatags units are used. The basic syntax works the same with units.
These units are used together with the age metatag.
- seconds (s)
- minutes (mi)
- hours (h)
- days (d)
- weeks (w)
- months (mo)
- years (y)
The shorthand version is in parenthesis.
Note: if no unit is specified it defaults to seconds.
Note: singular and plural forms of units can be used interchangeably.
These units are used together with the filesize metatag.
- b (bytes)
- kb (kilobytes)
- m (megabytes)
Only the shorthand versions will work, i.e. bytes, kilobytes and megabytes are not part of the syntax.
Note: if no unit is specified it defaults to bytes.
Note: for anyone curious, 1m = 1024kb and 1kb = 1024b.
For the metatag ratio, fractions are commonly used but you may use decimal notation also.
The aspect ratio denotes the relationship between the width and height of an image. For example, a 1:1 ratio means the width and height are equal whereas a 4:3 ratio means the width is one third longer (4/3) than the height. Useful aspect ratio tool: http://andrew.hedges.name/experiments/aspect_ratio/
Note: using ratios won't always result in pixel perfect results as the ratios are rounded to two decimal points, i.e. a search for ratio:16:9 may result in a picture with the dimensions 1920x1078 instead of 1920x1080.
Why should you use ratios?
It can prove to be useful in some cases. Say, you have a sick dual monitor setup with two 1920x1200 monitors, one in landscape and the other in portrait. You want a wicked wallpaper with matching aspect ratio for the portrait monitor, and you want to avoid upscaling.
Do the following search: ratio:5:8 height:>=1920
It will result in posts with a 5:8 ratio (1920x1200 in portrait) while keeping the height to a minimum of 1920 which will ensure that only downscaling may be used.
If you want to avoid calculating ratios altogether, then you can use dimensions directly.
You can use basic syntax with ratios; though, take note if you use fractions.
At this point it's regular numbers and normal basic syntax will work as expected.