Finding the right icons for your applications can be a tough task. Especially resizing them for the different platforms is super annoying. That is why I would like to share my favorite icon sources and resizing tools with you.
There are many different icon sources in the web with different quality and range. These are my favorites.
The Noun Project
**Pros:**Icons for literally everything, CC and paid licenses
**Cons:**Accountrequired, CC icons come with attribution inside the image
Pros: iOS Style mainly, dimensions and color can be modified online, no account
**Cons:**iOS Style mainly
The Apple Human Interface Guidelines for Icons suggest the following sizes for custom icons.
|Navigation Bar / Toolbar||24px x 24px||48px x 48px||72px x 72px|
|Tab Bar||25px x 25px||50px x 50px||75px x 75px|