In 2025, Facebook continues to be one of the most powerful social media platforms for businesses, creators, and marketers.
To achieve maximum engagement, it’s important to know the exact image dimensions, text limits, and font size guidelines for Facebook posts, stories, ads, and covers.
This article will guide you through everything you need to know.
✅ Why Post Size & Fonts Matter
Using the right post size and fonts ensures:
- 📈 Better reach and visibility
- 🎨 Professional and clean look
- 📱 Mobile-friendly experience
- 💬 Higher engagement with likes, shares, and comments
🖼️ Facebook Image Sizes 2025
🔹 Feed Post Sizes
- Square: 1080 × 1080 px
- Portrait: 1080 × 1350 px
- Landscape: 1200 × 630 px
👉 Best practice: Use 1080 × 1350 px for maximum space on mobile feeds.
🔹 Facebook Story Size
- 1080 × 1920 px (full vertical screen)
- Aspect Ratio: 9:16
👉 Make sure to leave a safe margin at the top and bottom for text and buttons.
🔹 Facebook Cover Photo & Page Banner
- Profile Cover: 851 × 315 px
- Page Banner: 1200 × 628 px
👉 Keep important elements (like text or logo) in the center, as parts may get cropped on mobile.
🔹 Facebook Ads Image Sizes
- Square Ad: 1080 × 1080 px
- Portrait Ad: 1080 × 1350 px
- Landscape Ad: 1200 × 628 px
👉 Tip: Keep ad text minimal — Facebook recommends less than 20% of the image should contain text.
📝 Facebook Text Limits
- Normal Post: Up to 63,206 characters
- Comments: Up to 8,000 characters
- Page Name: Up to 75 characters
👉 Shorter posts perform better! Aim for 40–80 characters for maximum engagement.
🔠 Facebook Font Size Guide
Although Facebook does not allow manual font changes in posts, there are default sizes and design recommendations:
Feed Post Font Sizes
- Default body text: 14–16 px
- Short posts (1–2 lines): 24–32 px (Facebook automatically enlarges them)
Story Font Sizes
- Default: 16–18 px
- Can be increased up to 60–80 px for headings
Ad Font Sizes (when designing in Canva/Photoshop)
- Heading: 24–32 px
- Body Text: 16–20 px
- Small disclaimers: 12–14 px
Cover/Banner Font Sizes
- Heading: 36–48 px
- Body Text: 20–24 px
👉 Always preview designs on mobile since 80%+ of Facebook users are on smartphones.
💡 Pro Tips for Designers & Marketers
- ✅ Keep text under 20% of your image
- ✅ Always preview designs on both desktop & mobile
- ✅ Use clean, readable fonts (Arial, Helvetica, Roboto)
- ✅ Stick to brand colours for consistency
- ✅ Focus on high-quality visuals (1080 px or higher)
🎯 Final Thoughts
Now you know the exact Facebook post sizes and font guidelines for 2025.
By following these dimensions, you can make your content look professional, improve visibility, and engage more with your audience.
🚀 Start designing posts with the right sizes today and watch your engagement grow!