Grayscale Image

WHATSON / IMAGE PREPARATION

Grayscale Image

Remove colour while retaining luminance.

Static JPEG, PNG or WebP. Up to 4 MiB per file, 12 MiB total, 4 million pixels per image. Up to six files use the same settings.
Colour and effect controls

Processing runs on your WordPress server. Images are not added to the Media Library. EXIF orientation is applied when PHP EXIF support is available.

Prepared files

Preview, inspect and download

Choose an image and prepare it to see your result here.

Downloads are generated files, not links to stored uploads. Batch and layout tools can return several files.

Image Preparation

Removing colour changes how some labels and subjects can be distinguished.

Inspect tonal separation after conversion, especially where different colours have similar brightness.

01 / GET STARTED

How to use Grayscale Image

  1. Choose a static JPEG, PNG or WebP source. Check the displayed upload limits before processing.
  2. Set Download format and Quality. Review the selected units and options before preparing the output.
  3. Select Prepare image. Inspect the resulting preview, dimensions and file size, then download the output you need.
02 / A CLEARER WORKFLOW

Why choose this tool?

The grayscale output keeps shades rather than reducing every pixel to pure black or white.

Before you use the result

Compare the finished picture with its source. Grayscale retains intermediate tones. Thresholding uses only black and white.

03 / COMMON QUESTIONS

Questions about Grayscale Image

Is grayscale the same as thresholding?

No. Grayscale retains intermediate tones. Thresholding uses only black and white.

What should I check before using Grayscale Image?

Prepare a supported source image and check Download format and Quality. Use the exact units shown beside the controls and replace any example values with your own inputs.

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