Why this task can be difficult

Your files and data are processed locally in your browser and are never uploaded.

Step-by-step instructions

  1. 1

    Choose image

    Important notes

  2. 2

    Enter the required values and review each setting before processing.

    Enter the required values and review each setting before processing.

  3. 3

    Choose dimensions and quality that match your intended output, then preview the exported image.

    Choose dimensions and quality that match your intended output, then preview the exported image.

Enter the required values and review each setting before processing.

Common mistakes and how to avoid them

A lightweight private workflow for quick one-off tasks and repeatable everyday work.

Preview the result in Local Toolbox and fine-tune the settings before saving it.

Verify the generated output before downloading or copying it.

If processing fails, verify the input format and limits, then try again with a valid file or value.

Preview the result in Local Toolbox and fine-tune the settings before saving it.

Your files and data are processed locally in your browser and are never uploaded.

FAQ

How does Local Toolbox handle this situation?

Keep the source unchanged and compare it with the output from Local Toolbox.

How does Local Toolbox handle this situation?

Keep the original source unchanged and save the processed output as a new file.

Why should I use Local Toolbox?

Your files and data are processed locally in your browser and are never uploaded.

Your files and data are processed locally in your browser and are never uploaded.

Your files and data are processed locally in your browser and are never uploaded.

Can I recover the result after closing the page?

Can I recover the result after closing the page?