Substack Banner Size Guide (2025)
Creating the perfect Substack banner requires knowing the correct dimensions to ensure your banner displays properly and looks professional. This guide covers the exact Substack banner dimensions for 2025 and how to create banners that fit perfectly with Typography Studio 2.0.
Recommended Substack Banner Dimensions (2025)
- Banner Size: 1456 x 1048 pixels
- Aspect Ratio: 14:10 (approximately 1.39:1)
- File Size Limit: Under 10MB (PNG, JPG or GIF)
Common Substack Banner Mistakes
- Using incorrect aspect ratio (causing unwanted stretching or cropping)
- Uploading low-resolution files (appears pixelated or blurry)
- Placing text or logos near edges (gets cut off on different devices)
- Ignoring mobile vs desktop display differences
- File size too large (slow loading or upload failures)
How Typography Studio 2.0 Helps
Smart Banner Hub's Typography Studio 2.0 makes creating perfect Substack banners simple and effortless:
- Perfect Dimensions: Automatically sized Substack banners (1456 x 1048 pixels)
- Unified Platform: Select Substack from dropdown - canvas instantly resizes to perfect dimensions
- Professional Controls: Drag, resize, rotate text with precision using our breakthrough interactive canvas
- Advanced Color Systems: Color by individual words, complete lines, or mathematical precision
- Custom Backgrounds: Upload your own images or choose from mathematical patterns and solid colors
- Two Design Approaches:
- Clean Text: Professional typography with perfect readability
- AI-Powered DBSCAN: Unique mathematical clustering visuals - world-first technology exclusive to Smart Banner Hub
- Real-Time Preview: See your design update instantly as you make changes
- Professional Export: High-resolution PNG perfect for Substack
- Free Preview: Try before you buy
Need Banners for Other Platforms?
Typography Studio 2.0 offers unified banner creation for all major platforms: