Facebook Cover & Post Resizer
Resize images for Facebook Page covers (820x312 with mobile safe zones), event banners, link previews, and square posts.
How to Use Facebook Cover & Post Resizer
Ensure your Facebook page headers look pristine on both desktop and mobile. Facebook crops desktop covers (820x312) to 640x360 on phones; this tool shows both boundaries simultaneously so your brand text is never clipped.
Upload cover or post art
Select your photo or graphic.
Check mobile & desktop overlays
Verify text fits inside the highlighted central mobile viewport.
Download image
Export the crisp image ready for your Facebook page.
Technical Specifications & Compatibility
Verified processing capabilities, memory limits, and format standards for Facebook Cover & Post Resizer.
| Supported Input Formats | JPG, JPEG, PNG, WEBP |
|---|---|
| Execution Environment | 100% Client-Side In-Browser (WebAssembly / JavaScript / Canvas) |
| Privacy & File Retention | Zero server uploads · No data storage · Immediate memory wipe on tab close |
| Maximum File Limit | Up to 250 MB (dependent on available local device memory) |
| Processing Speed | Instantaneous local execution with zero upload or download latency |
| Platform Compatibility | Fully functional across Google Chrome, Apple Safari, Microsoft Edge, Mozilla Firefox, Android & iOS |
Practical Use Cases & Applications
Common real-world scenarios where Facebook Cover & Post Resizer solves everyday file and workflow challenges.
Daily Productivity Workflows
Streamline media, conversions, and calculations in seconds without installing heavy third-party software.
Guaranteed Data Confidentiality
Safely process confidential files and personal data with complete certainty that no files are uploaded to cloud servers.
Cross-Platform Mobile & Desktop Use
Run lightweight, browser-based utilities seamlessly across desktop computers, laptops, tablets, and smartphones.
Key Features & Capabilities
100% In-Browser Privacy Guarantee
Unlike cloud converters that upload your documents to remote servers, GodOfTools processes Facebook Cover & Post Resizer completely inside your local browser memory. No data is stored, tracked, or transmitted.
Frequently Asked Questions
Everything you need to know about using Facebook Cover & Post Resizer securely and effectively.
What is the safe area for a Facebook cover photo?
Related Social Media Tools
Explore complementary utilities that frequently accompany Facebook Cover & Post Resizer.
Instagram Image Resizer
Resize and crop photos for Instagram Square (1:1), Portrait (4:5), Story/Reel (9:16), or Landscape with blur padding.
X / Twitter Header & Post Resizer
Resize images for X (Twitter) headers (1500x500 with profile picture cutout preview) and in-stream landscape posts (1200x675).
LinkedIn Banner Resizer
Resize LinkedIn personal background banners (1584x396) with avatar safe-zone preview and company page banners (1128x191).