Image manipulation

Grayscale

Convert image to grayscale.

Upload an image file (PNG, JPEG, or GIF). Files are processed in memory only and removed immediately after the request. CPU-intensive; max 5 MB. Rate limits apply.

How to use Grayscale

Grayscale — Convert a PNG, JPEG, or GIF to grayscale while keeping the same pixel size. Free to use in D2i DevTools — no account required.

Steps

  1. Choose a file for Image file.
  2. Click Run and copy the result under the form.

Frequently asked questions

What is Grayscale used for?

Use it for a neutral preview or to strip color before another edit.

How do I use the free online Grayscale tool?

Choose a file for Image file. Click Run and copy the result under the form.

What can I paste or upload into Grayscale?

Upload one PNG, JPEG, or GIF up to 5 MB. Color is discarded; the dimensions stay the same.

What output does Grayscale give me?

A grayscale image you can download. Width and height match the original.

Is Grayscale free, and is my input private?

Yes — The file is read into memory, processed, and dropped when the response is finished. It is not saved to disk or the database.

Is the file one channel?

You get a grayscale image in the format the tool writes. Color is removed; the pixel width and height stay.

Inputs are processed in memory only and are not saved to disk or the database. Data exists only for the duration of your request.