Image to C++ Converter

Generate monochrome byte arrays for OLED displays on Arduino or Raspberry Pi. All processing happens in your browser.

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Supports JPG, PNG, BMP, GIF

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Image Configuration

Canvas Size (px)

Background Color

Scaling

Dithering Algorithm

Threshold (0-255)

128

Image Adjustments

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Preview

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Output Settings

Output Format

Identifier / Prefix

Draw Mode

Swap bits in byte Remove '0x' and commas

// Generated by image2cpp
// 128x64px, myBitmap

const unsigned char myBitmap [] PROGMEM = {
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
    0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff,
    0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};

info

If the preview looks scrambled on your hardware, try switching the Draw Mode between Horizontal and Vertical.