Why Image Size Matters
Upload the wrong size and your image gets:
- Cropped — important parts cut off
- Stretched — looks distorted
- Compressed — platform re-compresses it, quality drops
- Rejected — some platforms won't accept certain sizes
2026 Image Size Cheat Sheet
Instagram
| Type | Dimensions | Aspect Ratio |
|------|-----------|--------------|
| Feed post (square) | 1080 × 1080 | 1:1 |
| Feed post (portrait) | 1080 × 1350 | 4:5 |
| Feed post (landscape) | 1080 × 566 | 1.91:1 |
| Story / Reel | 1080 × 1920 | 9:16 |
| Profile picture | 320 × 320 | 1:1 |
Facebook
|------|-----------|
Twitter / X
|------|-----------|
| In-stream image | 1600 × 900 |
LinkedIn
|------|-----------|
YouTube
|------|-----------|
| Channel banner | 2560 × 1440 |
TikTok
|------|-----------|
How to Resize Images
Method 1: Snelfo Image Compressor
1. Go to Snelfo Image Compressor
2. Upload your image
3. The tool automatically resizes to a max width
4. Download
Method 2: Canva (Free)
1. Open Canva
2. Create a design with custom dimensions
3. Upload your image
4. Drag to fit
5. Download as JPG or PNG
Method 3: Preview (Mac)
1. Open image in Preview
2. Tools → Adjust Size
3. Enter dimensions
4. Save
Pro Tips
1. Start large, resize down — never upscale a small image
2. Keep the original — you may need different sizes later
3. Use WebP for web — smaller files, same quality
4. Compress after resizing — double the optimization
5. Check the preview — always verify how it looks before posting
Compress Before Uploading
After resizing, compress to reduce file size further:
Compress your images with Snelfo →
Free, instant, no sign-up. Make your social media images load faster.