Free image tool
Image Resizer
Resize photos and graphics while keeping proportions correct. Aspect ratio is locked by default so images do not look weird.
Runs locally in your browser. Keep aspect ratio on unless you intentionally want a stretched image.
Resize without distortion
The safest resize is proportional: pick width or height and keep aspect ratio enabled. Use cover mode for social crops, contain mode when the full image must stay visible.
Quick presets to remember
- Instagram square: 1080×1080, cover mode.
- YouTube thumbnail: 1280×720, cover mode.
- Website/blog image: 1200px wide, aspect ratio locked.
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