Grayscale image
Convert a photo to grayscale while keeping its dimensions.
Maximum 25 MB and 40 megapixels. Each dimension supports up to 16,384 px. Everything is processed in your browser.
Reprocessing can change metadata and color profiles. JPG does not preserve transparency: a white background is used. PNG and WebP support transparency.
Your files are processed here, on your device
We do not send your file or text contents to a processing server. No account is needed and there is no daily operation quota. Individual tools have size limits to protect your device’s memory.
A connection is needed to load the site and its resources. Hosting may receive technical visit data. Favorites store only tool identifiers in this browser.
How we handle your data →How to use this tool
- Load the image and choose an output format.
- Convert to gray tones; use PNG when transparency is needed.
- Inspect contrast and lettering before downloading the copy.
An example you can verify
Create a colorless version for a design or printing.
Example input
400 × 200 px PNG image.
Expected result
400 × 200 px PNG containing gray tones.
Output is not limited to two colors. PNG preserves transparency; check the output format when you need it.
Settings and limits
Select an image and output format. Each pixel becomes a gray tone and image dimensions are preserved. PNG and WebP retain transparency; JPG uses a white background. Review the preview and download the result.
Frequently asked questions
Is this a binary black-or-white image?
No. Intermediate gray tones are retained to preserve image detail.