Free Substack Post Cover Photo Image Resizer (800 x 800) | ResizeHub
Professional tool to resize, crop, pad, and scale images to the exact dimensions of Substack post cover photo (800x800 pixels) automatically.
Open Workspace with Substack Post Cover Photo Resizer SettingsPrerequisites & Dimensions for Substack Post Cover Photo Resizer
The verified specifications for Substack Post Cover Photo Resizer require exactly 800 x 800 pixels with a matching aspect ratio of 1:1. The platform's recommended format is JPG, with a maximum payload threshold of 5MB.
How to Crop and Fit for Substack Online
Using our advanced browser engine, you can fit, crop, or pad your graphic files to the exact dimensions of Substack Post Cover Photo Resizer. Simply upload your asset, choose your scaling boundaries, and export to JPG in seconds.
Frequently Asked Questions
What are the dimensions for a Substack Post Cover Photo?
The perfect specifications are 800 pixels in width by 800 pixels in height, featuring an aspect ratio of 1:1.
Does using this Substack tool reduce image clarity?
No, ResizeHub runs completely in your browser memory using advanced bilinear/bicubic sampling. There is absolutely zero cloud file compression or detail loss.