Image2Bytes

Github

image2bytes is a simple tool to change images into byte arrays (or arrays back into an images) for use with (monochrome) displays such as OLEDs on your Raspberry Pi Pico or ESP32.

1. Select image

All processing is done locally in your browser; your images are not uploaded or stored anywhere online.

or

1. Paste byte array

x px

Read images appear at step 3 below

2. Image Settings

Canvas size(s):

Only images file type are allowed

No files selected

Scaling:

Background color:

White Black Transparent

Invert image colors

Dithering:

Brightness / alpha threshold:

0 - 255; if the brightness of a pixel is above the given level the pixel becomes white, otherwise they become black. When using alpha, opaque and transparent are used instead.

Center image:

horizontally vertically

Centering the image only works when using a canvas larger than the original image.

Rotate image:

degrees

Flip image:

horizontally vertically

3. Preview

No files selected

4. Output

Code output format

First ASCII character (dec):

x advance:

Identifier/Prefix:

Draw mode:

If your image looks all messed up on your display, like the image below, try using a different mode.

Extra formatting options:

Remove '0x' and commas from output