Mezzotone is a terminal user interface application that converts images and animated GIFs into ASCII or Unicode art directly from the command line. Written in Go, it offers an interactive way to load images, adjust rendering parameters, preview results, and export text-based artwork without leaving the terminal.
This is free and open source software.
Key Features
- Convert png, jpg, jpeg, bmp, webp, tiff, and gif.
- Multiple rune modes: ASCII, UNICODE, DOTS, RECTANGLES, BARS.
- Optional colored rendering in terminal and exports.
- Adjustable render settings (text size, font aspect, contrast, edge threshold, etc.).
- Export generated output to:
- .txt
- .png
- .gif
- Clipboard copy support from the render view.
Website: github.com/joaoheitorgarcia/Mezzotone
Support:
Developer: João Heitor Garcia
License: MIT License

Mezzotone is written in Go. Learn Go with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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