500px (pronounced "five hundred px") is a global online photo-sharing platform that is a subsidiary of Visual China Group.

[6] At the time, 500 pixels was considered a good size for web display[7] and was therefore the limit placed on photos submitted to the community for review.

[6] Once photographers submitted their photos, they were moderated, and only those of high quality would make it past the community's curators and be published on the site.

[15] In November 2017, 500px was the recipient of the Deloitte Technology Fast 50 award, which recognizes Canadian companies for their innovation, rapid revenue growth, and entrepreneurial spirit.

[17] On July 1, 2018, Getty Images became 500px's exclusive distribution partner for licensing outside China, as per its existing agreements with VCG.

[19] On July 5, 2018, 14.8 million accounts had "partial user data" (including e-mails, personal information, and hashed passwords) leaked via security breaches.

[23] This results in the Popular page always displaying fresh content and motivates users to regularly upload new images.