Does it lock the aspect ratio?

Yes, ratio locking is on by default and can be toggled off if you need to stretch.

Downscaling with high-quality bilinear filtering keeps images sharp. Upscaling is limited by the source resolution.

Image Tools

Image Resizer

Resize photos to any width or height - perfect for social media, avatars or web thumbnails. All processing stays local in your browser.

Drop an image or click to upload

JPG, PNG, WEBP · runs 100% in your browser

Resize photos to any width or height - perfect for social media, avatars or web thumbnails. All processing stays local in your browser.

Everything runs directly in your browser. No signup, no upload, no tracking of your inputs - just a fast, focused utility that respects your time.

Compress JPG, PNG or WEBP images without uploading them to any server.

Convert images between JPG, PNG and WEBP formats directly in your browser.