Instasize allows you to post the entirety of your photo on Instagram.
In case you forgot to take a photo in “square mode,” Instasize will resize your photo so Instagram doesn’t crop your photos.
When you download the app you get a variety of overlays, borders, collage frames and stickers to experiment with and enhance your next Instagram post.
Using the app's collage maker feature, you can instantly combine multiple photos and create your own unique collage. The Instasize app gives you access to hundreds of background, text and photo collage ideas.
Instasize features a font editor through which you can add text to your pictures/collages using 50 different unique fonts and designs.