500px Specifications

Photo Upload

Max File Size	60 MB
File Formats	JPG
Notes	JPEG only; store originals externally — 500px resizes for display; maximum 30 megapixels recommended

Minimum Dimensions

Dimensions	1980 px on the long edge minimum
Notes	Images below minimum resolution may be rejected from the Licensing Marketplace

Recommended Dimensions

Dimensions	4000 × 3000 px or larger
Aspect Ratio	Any
Notes	Higher resolution improves licensing eligibility; images served up to 2048 px in-browser

Licensing-Ready Photo

Dimensions	Min 3500 × 2333 px (8 MP+)
Max File Size	60 MB
File Formats	JPG
Notes	Must meet minimum resolution and quality gates for the 500px Licensing Marketplace

Profile Photo / Avatar

Dimensions	300 × 300 px minimum; 600 × 600 px recommended
Aspect Ratio	1:1
Max File Size	5 MB
File Formats	JPG, PNG
Notes	Displayed as a circle in the photographer profile and comments

Profile Cover Image

Dimensions	1280 × 400 px recommended
Aspect Ratio	3.2:1
File Formats	JPG, PNG
Notes	Wide banner image shown behind the photographer's profile header

Photo Title

Character Limit	255 characters

Photo Description

Character Limit	2,000 characters
Notes	Supports plain text; shown on the photo detail page

Tags per Photo

Character Limit	20 tags tags

Bio

Character Limit	500 characters

Username

Character Limit	30 characters
Notes	Alphanumeric and underscores; forms the public profile URL

Portfolio Gallery

Notes	Free accounts: 7 photo limit per upload batch. Awesome/Pro accounts: unlimited uploads

Gallery Cover

Dimensions	1280 × 720 px recommended
Aspect Ratio	16:9
File Formats	JPG
Notes	The first photo in a gallery is used as its cover by default

Sponsored Photo Placement

Notes	500px does not currently offer a self-serve ad product; partner and brand collaborations managed through the 500px team

License Submission (Commercial)

Dimensions	Min 3500 × 2333 px
File Formats	JPG
Notes	Commercial license buyers receive high-res downloads; photos must pass quality and IP review