Hexprite - Pixel Art Editor for Embedded Displays

Core Capabilities

> Precision Drawing Tools

Everything you need to design pixel-perfect monochrome graphics without the bloat.

■ Essential tools: Pencil, line, rectangle, ellipse, and flood fill.
■ Advanced selection, move, and precise transformation controls.
■ Clean, distraction-free interface focused on pixel manipulation.

> Direct Source Code Sync

Link directly to your project's code files. Automatically update embedded C-arrays while preserving existing file signatures and formatting.

■ Link natively to .c, .h, .cpp, and .py source files.
■ Two-way sync: modify arrays on disk or load sprites from code.
■ Built-in RLE and LZSS compression generation for minimal footprint.

> Embedded Typography

Create custom bitmapped fonts. Import TTF/OTF, adjust kerning, and generate C code for Adafruit GFX, u8g2 BDF, and LVGL.

■ Generate C code for Adafruit GFX, u8g2 BDF, and LVGL formats.
■ Live Flash memory footprint estimation as you design.
■ Pixel-perfect glyph editing with automatic bounding-box cropping.

> Live Hardware Streaming

Stream canvas edits directly to physical microcontrollers over USB/Serial in real-time.

■ Stream canvas edits directly to microcontrollers over USB/Serial.
■ Asynchronous, zero-lag pipeline supporting baud rates over 115200.
■ Built-in Arduino bootloader protection and auto-reset handling.

> Sprite Animation

Create and preview multi-frame animations with timeline management and configurable framerates prior to compilation.

■ Multi-frame timeline management with configurable framerates.
■ Live onion-skinning overlay for previous and next frames.
■ Export as animated bytearrays, 2D C arrays, or sprite sheets.

> Advanced Dithering

Import standard graphics and perfectly convert them to 1-bit monochrome art using multiple dithering techniques.

■ 6+ built-in algorithms including Floyd-Steinberg, Bayer, and Atkinson.
■ Adjustable adaptive thresholding and gamma correction.
■ Real-time preview of dithering results before applying.

> Native Flipper Zero Support

First-class support for the Flipper Zero community. No external python scripts or web converters required.

■ Native read and write support for Flipper Zero .bm (Icon) and .xbm formats.
■ Edit community UI assets directly in the editor without tedious conversion steps.
■ Export ready-to-use graphics for Flipper Zero firmware apps instantly.

Roadmap & Tiers

Current availability and future roadmap.

BETA / EARLY ACCESS

Monochrome Mode

FREE

✓ Full 1-Bit Editor: Drawing, Sprite Animation, and Flipper Zero support.
✓ Image & GIF Import: Convert graphics to 1-bit with 6+ dithering algorithms.
✓ Embedded Typography: Custom bitmapped fonts (LVGL, Adafruit GFX, u8g2).
✓ Hardware Integration: Live USB/Serial streaming and OLED/LCD simulation.
✓ Direct Code Sync: Natively update source arrays with RLE/LZSS compression.
✓ Early Access: 100% Free for community feedback and active testing.

FUTURE ROADMAP

RGB565 Mode

Planned Release

✦ Color TFT Support: Planned for ST7735, ILI9341, GC9A01, and color e-paper.
✦ Advanced Palettes: Indexed color, RGB565, and up to 32-bit color modes.
✦ Asset Packing: Generate binary asset bundles for SPI Flash / SD cards.
✦ Will be developed in the future following the monochrome edition.

> Support the Project

Built to eliminate friction in embedded graphics. Hexprite replaces fragmented tools and web converters with one unified, native workflow.

Open Source Goal

As a solo developer, I'm committed to keeping the core monochrome features entirely free. If this tool saves you time, consider a donation. Once we reach $500, I will release the Hexprite Monochrome edition as open-source software.

$0 Raised $500 Goal

$500

Target Goal

Donate via Lemon Squeezy ★ Star on GitHub

The dedicated pixel art and font editor for embedded displays.