⬛ Utilities

Grayscale Image Converter

Convert any image to grayscale (black and white) in the browser. Instant processing without sending data to servers.

Drag an image here or

Select image

How to use?

Select or drag an image. The black and white version is generated automatically using the actual luminance of each pixel (ITU-R BT.601 formula).

Count words, characters with and without spaces, and paragraphs in real time. Ideal for writers, students and anyone working with text.

Generate the MD5 hash of any text online — 32 hexadecimal characters calculated in the browser, no data sent to any server.

Generate the SHA-256 hash of any text using the native Web Crypto API. 64-character hex hash, processed locally in your browser.