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◇ On your device

Resize image

Set image dimensions in pixels while keeping the original proportions.

How it works

Choose a static PNG, JPEG or WebP image.
Check the available options, then select “Run tool”.
Open and check the downloaded file before using it.

Related tools

CSS gradient generator

Generate a validated linear-gradient CSS declaration from an angle and 2–8 hex colors.

CSS box-shadow generator

Generate a validated CSS box-shadow declaration from offsets, blur, spread, color and opacity.

Web Image Delivery Audit

Web Image Delivery Audit. Offline bounded structural analysis only; no runtime execution or external network validation.