The most popular filter on Instagram may surprise you

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Instagram filters
X-Pro II is widely used for the drama it brings to a photo. But the most popular "filter" adds no drama at all.
Photo: Iconosquare

Normal is the single-most used filter on Instagram, which means exactly what you think: Normal is not really a filter.

Still, because it lines up alongside Instagram’s 40 native filters, it came out on top, according to a database of 790,000 Instagram users. This is still considered a small sample for a user base that just surpassed 1 billion active users.