Resize Image Tools
Precision image scaling tools to change width and height in pixels, centimeters, millimeters, inches, or percentages with aspect ratio locking.
Image Resizer
Resize images to specific dimensions, percentages or ratios.
Resize to 50x50
Crop and resize to the target 50x50 pixels instantly.
Resize to 100x100
Crop and resize to the target 100x100 pixels instantly.
Resize to 150x150
Crop your image to a perfect 1:1 square and resize it exactly to 150x150 pixels.
Resize to 200x200
Crop to a 1:1 square and resize to the target 200x200 pixels. Includes BG Remover.
Resize to 250x250
Crop and resize to the target 250x250 pixels instantly.
Resize to 300x300
Crop and resize to the target 300x300 pixels instantly.
Resize to 350x350
Crop and resize to the target 350x350 pixels instantly.
Resize to 400x400
Crop and resize to the target 400x400 pixels instantly.
Resize to 500x500
Crop and resize to the target 500x500 pixels instantly.
Resize to 512x512
Crop and resize to the target 512x512 pixels instantly.
Resize to 600x600
Advanced 600x600 image resizer with Smart AI Face Crop.
Resize to 800x800
Crop and resize to the target 800x800 pixels instantly.
Resize to 1024x1024
Crop and resize to the target 1024x1024 pixels instantly.
Resize to 1080x1080
Resize an image to a square 1080x1080 social-media format.
Resize to 1080x1350
Resize an image to the 1080x1350 portrait social-media format.
Resize to 1200x630
Resize an image to the 1200x630 social preview format.
Resize to 1280x720
Resize an image to the 1280x720 HD thumbnail format.
Resize to 120x120
Resize to the target 120x120 pixels.
Resize to 140x140
Resize to the target 140x140 pixels.
Resize to 180x180
Resize to the target 180x180 pixels.
Resize to 240x240
Resize to the target 240x240 pixels.
Resize to 640x480
Resize to the target 640x480 pixels.
Resize to 800x600
Resize to the target 800x600 pixels.
Resize to 1920x1080 (HD)
Resize to the target 1920x1080 pixels.
Resize to 4K (3840x2160)
Resize to the target 3840x2160 pixels.
Resize to Passport Size
Crop and resize your photo to exact passport size (35x45mm).
Convert Photo to Passport Size & 20KB
Convert any photo to passport size and compress to 20KB.
Recommended Workflows in Resize Image Tools
⚡ Dimensional Scaling for Portals
Upload photo -> Enter target width & height (in pixels or mm) -> Lock aspect ratio -> Download resized image.
How to Choose the Right Tool
Best Practices & Practical Tips
- ✓Maintain original aspect ratio to prevent face or text distortion.
- ✓When converting mm to pixels for print, calculate dimensions at 300 DPI for sharp output.
Common Mistakes to Avoid
- ⚠️Stretching non-square photos into square dimensions without cropping first, causing distorted proportions.
Frequently Asked Questions
How do I calculate pixel dimensions from millimeters at 300 DPI?
Multiply millimeters by 11.811 (e.g., 35mm × 11.811 ≈ 413 pixels, 45mm × 11.811 ≈ 531 pixels).