123RF: EPS file only, 5 MB or less. JPEG thumbnail 1600x1600 or greater.
BigStock: Accepts multiple formats (PSD, EPS, AI, PNG, PDF); 10 MB or less. No JPEG required.
Royalty Free Photos, Download Stock Photos and Images stock photo download royalty free
Crestock: All vector illustrations (ai, eps or zip format, Illustrator 8 compatible) MUST be accompanied by a jpeg with the same filename as the vector file. EPS files should be compressed in a zip archive before uploading.
https://www.crestock.com/technical-r...ts.aspx#vector
Dreamstime: Requires high resolution JEPG file. Vector files may be uploaded (.ai, cdr, or .eps) following the JPEG upload. If you forget to upload the vector, it may be uploaded at a later time.
Frequently Asked Questions - Dreamstime
FeaturePics: Requires high resolution jpeg and eps format only. Uploading can only be done via FTP. EPS files can also be added to existing images that are already approved.
Instructions for uploading Vector Graphics Images
Fotolia: Requires SVG only. 1 MB limit. To shrink file sizes down to 1 MB or lower, see
Inkscape versus Illustrator: The SVG file size throwdown
Fotolia Accepts Vectors
IStock: Requires two files, one EPS (Illustrator 8 compatible) and one JPEG (minimum 1920x2800); accepts multiple formats in a zip file (AI, FH, Corel, PDF)
royalty free stock photography community | iStockphoto.com -- updated Nov. 23, 2007
Shutterstock: Requires two files, one EPS (Illustrator 8 compatible) and one JPEG (approx. 400x500)
Shutterstock Photographer Forum :: View topic - We now accept vectors!
Snapvillage:
- Vectors must be in the Illustrator EPS format
- You will also need to submit a JPEG preview image with a resolution between 378 x 504 and 1500 x 2100 (but we have verified that a thumbnail image as large as 3000 x 3000 works now as well)
SnapVillage - Frequently Asked Questions
StockXPert: Requires two files 16 MB or less each, one zipped EPS (Illustrator 8 compatible) and one JPEG (800x600 or higher RGB); accepts multiple formats (AI, EPS [up to CS2], Corel Draw CDR, Adobe Photoshop PSD [RGB] etc.)
STOCKXPERT - Site info