Black & White

RelahConvert converts images to grayscale (black and white) entirely inside your browser. Batch convert up to 25 images at once with a side-by-side before and after preview. No upload required. Supports JPG, PNG, WebP, GIF and BMP.

How to Convert an Image to Black and White Without Uploading

Select your images — click "Select Images" or drag and drop up to 25 images onto the page.
Preview before and after — each image shows the original alongside the black and white version.
Download your images — single image downloads directly; multiple images download as a ZIP.

The Best Free Black and White Image Converter That Doesn't Upload Your Files

Why Convert an Image to Black and White?

Can I convert multiple images to black and white at once?

Yes — select up to 25 images at once. Multiple files download as a ZIP.

Is grayscale the same as black and white?

Yes — converting to grayscale removes all color data and produces a black and white image.

Will converting to black and white reduce image quality?

No — the image is exported at the same resolution as the original.

What image formats are supported?

JPG, PNG, WebP, GIF and BMP are all supported.

Do you store my images?

Never. All processing happens locally in your browser.

Last updated: 2026-05-24