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Image resize calculator

Calculate resized dimensions while preserving aspect ratio.

Use tool

About this tool

Image resize calculator is a free online utility from BlueprintLab Tools. Calculate resized dimensions while preserving aspect ratio.

Useful for checking and preparing subtitle, calendar, and other media-related data.

No account is required. The tool is designed to complete the task directly in your browser with a short input → process → result flow.

How to use

  1. Enter or choose original width (px).
  2. Enter or choose original height (px).
  3. Run the tool and review, copy, or use the result.

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