Keep in mind the information below when posting on Tumblr from Onlypult.

Minimum interval between posts: 0.5 min.
Maximum number of photos/videos in one post: 1
Maximum text length (characters including spaces): 20 000
Image formats: JPG/JPEG, PNG, GIF
Maximum image file size (not including GIF): 20 MB
Recommended image size (not including GIF): 540х810
GIF:
- maximum file size: 3 MB
- recommended width: up to 540 px
Maximum image size: 1280 px
Video formats: MP4, MOV, AVI, WMV, WEBM
Maximum video file size:
- for the Onlypult “START” plan 50 MB
- for the Onlypult plans from “SMM” and higher 100 MB
Recommended number of hashtags in one post: up to 20