Uploading an image that gets automatically cropped is one of the most frustrating social media experiences. Each platform has specific recommended image dimensions, and ignoring them can make your posts look unprofessional. Here is everything you need to know, updated for 2026.
2026 Social Media Image Size Cheat Sheet
| Platform | Content Type | Recommended Size | Aspect Ratio |
|---|---|---|---|
| Square Post | 1080 × 1080 px | 1:1 | |
| Portrait Post | 1080 × 1350 px | 4:5 | |
| Story / Reel | 1080 × 1920 px | 9:16 | |
| Post Image | 1200 × 630 px | 1.91:1 | |
| Cover Photo | 851 × 315 px | ~2.7:1 | |
| Story | 1080 × 1920 px | 9:16 | |
| Twitter / X | Post Image | 1200 × 675 px | 16:9 |
| Twitter / X | Header | 1500 × 500 px | 3:1 |
| Post Image | 1200 × 627 px | 1.91:1 | |
| Cover Photo | 1584 × 396 px | 4:1 | |
| YouTube | Thumbnail | 1280 × 720 px | 16:9 |
| YouTube | Channel Art | 2560 × 1440 px | 16:9 |
How to Resize Images for Instagram
Instagram is the most image-focused platform, so getting sizes right matters most here. The platform supports three main formats:
- Square (1:1) — 1080×1080px. The classic Instagram format. Safe for all feeds.
- Portrait (4:5) — 1080×1350px. Takes up more vertical space in the feed — gets more attention. Best for photos of people.
- Story/Reel (9:16) — 1080×1920px. Full-screen vertical format. Make sure key content is in the center — top and bottom may be cropped on some devices.
💡 Instagram Tip: Portrait (4:5) posts get significantly more reach because they take up more screen real estate in the feed. If your image works in portrait, use it.
How to Resize Images for Facebook
Facebook compresses images aggressively, so always upload at the highest recommended resolution. For regular post images, 1200×630px is the sweet spot — it looks sharp on both desktop and mobile feeds.
For Facebook cover photos, the visible area differs on desktop vs mobile. Keep all important elements (text, faces, logos) within the central 820×312px safe zone to avoid cropping on mobile.
How to Resize Images — Step by Step
- Go to the ImageToolsLab Resize Tool
- Upload your image
- Click a preset button (e.g. "1080×1080 Instagram") or enter dimensions manually
- Make sure Lock Aspect Ratio is on to avoid stretching
- Click Resize Image and download
After resizing, compress your image to reduce file size before uploading. Most platforms have upload limits and compress your images anyway — it is better to control the quality yourself.
Cropping vs Resizing — What Is the Difference?
Resizing changes the entire image dimensions — the whole image gets bigger or smaller. Cropping removes parts of the image to change its shape. For social media, you often need both: first crop to the right aspect ratio, then resize to the right pixel dimensions.
Use our Crop Tool to crop to an exact aspect ratio, then use the Resize Tool to set the final pixel dimensions.
Image Quality Tips for Social Media
- Always upload at the highest recommended resolution — platforms will compress your images, so start as sharp as possible
- Use JPG for photos and PNG for graphics with text
- Keep file sizes under 1MB for Instagram and 8MB for Facebook
- Use sRGB color profile — some platforms shift colors if you use CMYK or other profiles
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